Answer:
Step-by-step explanation:
-10x+11y+11x=10 1x+11y=10
What is the complete factorization of 6x²+x-15?
Answer:
I think (2x−3)(3x+5)
Question 2(Multiple Choice Worth 2 points) (Adding and Subtracting with Scientific Notation MC) Find the sum of 2.53 x 10¹⁹ and 3.197 x 10¹⁷ 2.56197 x 10¹⁹
3.2223 x 10¹⁹
2.56197 x 10³⁶
3.2223 x 10³⁶
pls help I'll give points :)
Answer:
(a) 2.56197 x 10¹⁹
Step-by-step explanation:
You want the sum of 2.53 x 10¹⁹ and 3.197 x 10¹⁷ written in scientific notation.
AdditionYou can only add digits that have the same place value multiplier. When numbers are written in standard form, we make sure we're doing that by aligning the decimal points of the two numbers.
When numbers are in scientific notation, the decimal point shown is usually not the actual decimal point. Rather the exponent of 10 tells you where the decimal point is found.
For example, 10¹⁹ tells you the number's decimal point is 19 places to the right of where it is shown in 2.53×10¹⁹. Similarly, 3.197×10¹⁷ tells you the decimal point is 17 places to the right. If we want to align the decimal points, we need to have the power-of-ten multipliers have the same exponent:
2.53×10¹⁹ + 3.197×10¹⁷
= 2.53×10¹⁹ + 0.03197×10¹⁹
= 2.56197×10¹⁹
Technology
Any scientific or graphing calculator, and any spreadsheet can add these number more or less as they are written. Output can be formatted in scientific notation, too. The attachment shows a calculator used to sum the numbers.
Often a calculator or spreadsheet will use "E" in place of "×10^", as
2.56197E19 instead of 2.56197×10^19
__
Additional comment
The use of E to signify the power of 10 comes from a period in computer history when typeset number formatting was unavailable, and character count was at a premium.
Simple question l just don’t know how to do it
Answer:
2√7
Step-by-step explanation:
-7√7 + 9√7- 2√7
this is what l got
in 2015, the national highway traffic safety administration reported the number of pedestrian fatalities in san francisco county was 24 and that the number in los angeles county was 209. can we conclude that pedestrians are safer in san francisco than in los angeles? why or why not? if you answered no, what additional data would allow us to make a conclusion about which county is safer for pedestrians?
No, we cannot conclude that pedestrians are safer in San Francisco than in Los Angeles based on the data provided. The number of pedestrian fatalities in a given county is only one factor in determining the safety of pedestrians in that county.
Other factors, such as the number of pedestrians in each county, the number of vehicles in each county, the number of traffic laws in each county, and the number of traffic enforcement officers in each county, all play a role in determining the safety of pedestrians in a given county.
We would also need to consider other factors such as the number of pedestrian-friendly infrastructure in each county, the number of pedestrian-friendly policies in each county, and the number of pedestrian-friendly initiatives in each county. With this additional data, we would be able to make a more informed conclusion about which county is safer for pedestrians.
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1 year insurance policy covering its equipment was purchased for 6,144. The date purchased was June 14 but it doesn't go into effect until June 16th, How much is paid for that
month?
Year?
1 year insurance policy covering its equipment was purchased for 6,144. The date purchased was June 14 but it doesn't go into effect until June 16th, the amount paid for the month of June is approximately $252.75, and the amount paid for the entire year is approximately $6,144.
To calculate the amount paid for the month and the year, we need to consider the number of days covered by the insurance policy. Let's break it down step by step:
Step 1: Determine the number of days covered in June.
Since the policy doesn't go into effect until June 16th, there are 15 days remaining in June that will be covered by the insurance policy.
Step 2: Calculate the daily rate.
To find the daily rate, we divide the total cost of the insurance policy by the number of days in a year:
Daily rate = 6,144 / 365
Step 3: Calculate the amount paid for June.
The amount paid for June can be found by multiplying the daily rate by the number of days covered:
Amount paid for June = Daily rate * Number of days covered in June
Step 4: Calculate the amount paid for the year.
To calculate the amount paid for the year, we simply multiply the daily rate by 365 (the total number of days in a year):
Amount paid for the year = Daily rate * 365
Now let's perform the calculations:
Step 2: Daily rate
Daily rate = 6,144 / 365 ≈ 16.85 (rounded to two decimal places)
Step 3: Amount paid for June
Amount paid for June = 16.85 * 15 ≈ 252.75 (rounded to two decimal places)
Step 4: Amount paid for the year
Amount paid for the year = 16.85 * 365 ≈ 6,144 (rounded to two decimal places)
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There are 14 people on the city bus. At first stop, 4 people get off and 2 get on. At the second stop, 6 people get off. If there are 12 people on the bus after second stop, how many got on there?
Answer:
6
Step-by-step explanation:
14-4=10+2=12-6=6+6=12
POSSIBLE POINTS
Sarah is making hairbows for 6 friends. She needs 1 yards of ribbon for each hairbow. How many total yards of ribbion will she use?
Answer:
6 yards
Step-by-step explanation:
she need 1 yard of ribbon for each hairbow and 6 friends to make them for
Does anybody know the answer to this question?
Answer:
D, because each input has exactly one output.
I have 2 pencils. My sister has 5 pencils. What fraction of my sister's pencils are my pencils?
Answer:
2/5 (2 by 5) hope this helps :)
=
Given the equation 100 - 20t = 12r +4P,
solve for P. Find the P values when
(r= -2, -5, and 5) and (t=4, -4, and 8).
Answer:
P = -3r -5t + 25
r(-2): P = -5t + 31
r(-5): P = −5t + 40
r(5): P = −5t + 10
t(4): P = −3r + 5
t(-4): P = −3r + 45
t(8): P = −3r − 15
(b) Write 195 as a product of its prime factors.
Answer: 3 x 5 x 13
Step-by-step explanation:
195 / 5 = 39
39/3 = 13
So...
3 x 5 x 13
Answer:
5*3*13
Step-by-step explanation:
195
5*39
5*3*13
(a) The length of a rectangle is 6 cm more than its width, w cm. The perimeter of the rectangle is 37 cm. Form an equation in w and solve it to find the width of the rectangle.
The width of the rectangle whose perimeter is 37 cm is 6.25 cm.
What is Algebra?A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.
Variables are the name given to these symbols because they lack set values.
In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.
Given:
The length of a rectangle is 6 cm more than its width, w cm.
So, the length = w + 6
The perimeter of the rectangle is 37 cm.
Then, Perimeter of the rectangle = 37
2(l+ w) = 37
2( w+ 6 +w )= 37
2(2w + 6)= 37
4w + 12 = 37
4w = 25
w = 6.25 cm
and, length = w+ 6 = 6 + 6.25 = 12.25 cm
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What is the constant up a proportionally in a equation y=x/g
Answer:
Step-by-step explanation:
\(y=(\frac{1}{g} )x\)
Constant up a proportionally is \(\frac{1}{g}\).
WILL MARK BRAINLYIST
Answer:
w = 6 x = 5.6
Step-by-step explanation:
w/8 = 7.5/10
10w = 8 (7.5)
10w = 60
w = 6
x/7.5 = 4.5/6
6x = 7.5 (4.5)
6x = 33.75
x = 5.625
a bicyclist is competing in a 75 mile bike race. at a speed if 20 miles per hour,how many minutes would it take the biker to complete the race?
Answer:
The answer if you divide with a calculator would be 3.75, but if you put that in time form, the time would be 4 hours and 15 minutes
Step-by-step explanation:
Which inequality is shown in this graph?
On solving the provided question, we can say that coordinates are (-2,2) and (0,-2), inequality equation will be => y\(\leq\) -2x + 2
What is inequality?An inequality in mathematics is a relationship between two expressions or values that is not equal. Thus, imbalance leads to inequality. An inequality creates the link between two values that are not equal in mathematics. Egality is distinct from inequality. When two values are not equal, most commonly use the not equal sign (). Different inequalities are used to contrast values, no matter how little or large. Many simple inequalities may be resolved by modifying the two sides until the variables are all that remain. But a number of things contribute to inequality: Negative values on both sides are divided or added. Trade off the left and right.
as here,
coordinates are (-2,2) and (0,-2)
inequality equation will be
y\(\leq\) -2x + 2
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The perimeter of the triangle below is 54 units. Find the value of y.
Answer:
y = 7
Step-by-step explanation:
3y + (y+1) + (4y-3) = 54
3y + y + 4y + 1 - 3 = 54
8y - 2 = 54
8y = 54 + 2
8y = 56
y = 56/8
y = 7
Check:
3*7 + (7+1) + ((4*7)-3) = 54
21 + 8 + 28-3 = 54
29 + 25 = 54
I don't need help but I am giving the answer to everyone :) hope it helps
The number of cannonballs in illustration is 506.
What is illustration?Math Illustrations enables you to produce more useful geometry figures for your students in less time by fusing the constraint-based design of Geometry Expressions with simple-to-use sketching and graphing features.
The number of cannonballs in the first layer = 1² = 1
Number of cannonballs in the second layer = 2² = 4
Number of cannonballs in the third layer = 3² = 9
So, the generalized formula to count the balls is given as
= n(n + 1) (2n + 1)/ 6
Here, n= the total number of layers
Put n =11
11(11 + 1)(2(11) + 1) / 6
= 11(12)(23)/6
= 3036/6
= 506
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The number of cars sold weekly by a new automobile dealership grows according to a linear growth
model. The first week the dealership sold six-cars (Po= 6). The second week the dealership sold
nine cars (P₁ = 9).
Write the recursive formula for the number of cars sold, Pn, in the (n + 1)th week.
P₁ = Pn-1 +
Write the explicit formula for the number of cars sold, Pn, in the (n + 1)th week.
Pn=
If this trend continues, how many cars will be sold in the fourth week?
_____cars
The recursive formula of the function is P(n + 1) = 3 + Pn while the explicit formula is P(n) = 6 + 3(n -1)
The recursive formula of the functionThe given parameters are
Po = 6
P1 = 9
From the question, we understand that the number of cars follows a linear model
This means that the common difference is
d = P1 - Po
So, we have
d = 9 - 6
Evaluate
d = 3
The recursive formula is
P(n + 1) = d + Pn
So, we have
P(n + 1) = 3 + Pn
The explicit formula of the functionFrom the question, we understand that the number of cars follows a linear model
This means that the common difference is
d = 9 - 6
Evaluate
d = 3
The explicit formula is
P(n) = Po + (n -1) * d
So, we have
P(n) = 6 + (n -1) * 3
Evaluate
P(n) = 6 + 3(n -1)
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-3 (4-2x) = 4 - 2x I can't seen to get this one
Let's see what to do buddy...
\( - 3(4 - 2x) = 4 - 2x\)
Subtract the sides of the equation minus( 4 - 2x ) :
\( - 3(4 - 2x) - (4 - 2x) = 0\)
Factoring ( 4 - 2x ) :
\((4 - 2x)( - 3 - 1) = 0\)
\((4 - 2x)( - 4) = 0\)
Divided the sides of the equation by -4
\(4 - 2x = 0\)
Subtract the sides of the equation minus 4
\( - 2x = - 4\)
Negatives simplified.
\(2x = 4\)
Divided the sides of the equation by 2
\(x = \frac{4}{2} \\ \)
\(x = 2\)
_________________________________
And we're done...
Thanks for watching buddy good luck.
♥️♥️♥️♥️♥️
The quilt is made of squares with diagonals. The length of BD is 4. Find the length of AE.
Nonetheless, it is clear that the length of AE, which is not specified in the issue statement, depends on the length of AD.
What is the squares with diagonals?We may determine the length of FC using the Pythagorean theorem:
\(FC^2 = BF^2 - BC^2\)
\(FC^2 = (2x)^2 - x^2\)
\(FC^2 = 3x^2\)
\(FC = sqrt(3x^2) = x*sqrt(3)\)
The Pythagorean theorem can be used to determine the length of BE because F is the midpoint of BD:
\(BE^2 = BF^2 + FC^2\)
\(BE^2 = (2x)^2 + (x*sqrt(3))^2\)
\(BE^2 = 4x^2 + 3x^2\)
\(BE^2 = 7x^2\)
\(BE = sqrt(7x^2) = x*sqrt(7)\)
In order to get the length of AE, we can finally utilise the Pythagorean theorem once more:
\(AE^2 = AB^2 + BE^2\)
\(AE^2 = (2x)^2 + (x*sqrt(7))^2\)
\(AE^2 = 4x^2 + 7x^2\)
\(AE^2 = 11x^2\)
\(AE = sqrt(11x^2) = x*sqrt(11)\)
Therefore, Where x is the side length of each quilt square, the length of AE is equal to \(x*sqrt(11)\) . Without more information, we cannot precisely calculate the value of x or \(AE\) .
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complete question:
The quilt is made of squares with diagonals. the length of BD is 4. what is the area of square ABCD
What is the description of the translation from f(x) = 3x + 7 to g(x) = 8x + 7?
moved down
clockwise rotation
moved up
counterclockwise rotation
Answer:
It is counter clockwise
Step-by-step explanation:
The description of the transformation from f(x) = 3x + 7 to g(x) = 8x + 7 will be counterclockwise rotation.
What is the equation of line?The equation of line is given as
y = mx + c
Where m is the slope and c is the y-intercept.
The equations are given below.
f(x) = 3x + 7 and g(x) = 8x + 7
The slope of f(x) is 3 and the slope of g(x) is 8.
It is clear that the slope is increased, then the line rotates counterclockwise about the y-intercept.
Then the correct option is D.
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solve the system of two linear inequalities graphically.
y≤−5x−10
y>x+2
y≤−5x−10 and y>x+2 The shaded region satisfies both inequalities and represents the solution to the system of linear inequalities.
To graphically solve this system of linear inequalities, we can start by graphing each inequality on the same coordinate system:
First, let's graph the inequality y ≤ -5x - 10. We can start by graphing the line y = -5x - 10, which is the boundary line of the inequality. We can plot two points on this line, say (-2,0) and (0,-10), and draw a straight line passing through them.
Next, we need to determine which side of the line satisfies the inequality y ≤ -5x - 10. We can choose any point on one side of the line, say (0,0), and test it in the inequality. If y ≤ -5x - 10 is true for (0,0), then that side of the line satisfies the inequality. Otherwise, the other side satisfies the inequality. Testing (0,0), we have:
0 ≤ -5(0) - 10
0 ≤ -10
This is false, so the side of the line containing the origin does not satisfy the inequality. The other side of the line does.
Now, let's graph the inequality y > x + 2. We can start by graphing the line y = x + 2, which is the boundary line of the inequality. We can plot two points on this line, say (-2,0) and (0,2), and draw a straight line passing through them.
Next, we need to determine which side of the line satisfies the inequality y > x + 2. We can choose any point on one side of the line, say (0,0), and test it in the inequality. If y > x + 2 is true for (0,0), then that side of the line satisfies the inequality. Otherwise, the other side satisfies the inequality. Testing (0,0), we have:
0 > 0 + 2
This is false, so the side of the line containing the origin does not satisfy the inequality. The other side of the line does.
Now, we can shade the region that satisfies both inequalities. The shaded region is the region that is below the line y = -5x - 10 (including the line itself) and above the line y = x + 2 (excluding the line itself).
The shaded region is shown below:
Graph of y≤−5x−10 and y>x+2
The shaded region satisfies both inequalities and represents the solution to the system of linear inequalities.
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Is this true or false? This graph represents a proportional relationship.
Answer:
I think True, because it looks like it
Here are the shopping times (in minutes) of ten shoppers at a local grocery store.
Complete the grouped frequency distribution for the data.
In the distribution, the frequency of a class is the number of shopping times in that class.
(Note that we are using a class width of 5 .)
The frequency which is to filled in the table is 3,1,2,4.
Given shopping time of ten shopkeeper: 36,20,32,18,20,33,28,34,37,23.
We have to complete the frequency in the table. Frequency of something is the number of times that number is coming.
Shopping time is given as 36,20,32,18,20,33,28,34,37,23.
Intervals for which frequency is given is 18 to 22, 23 to 27, 28 to 32, 33 to 37.
Numbers in the range 18 to 22=18,20,23 therefore 3
Numbers in the range 23 to 27=23 therefore 1
Numbers in the range 28 to 32=32 , 28 therefore 2
Numbers in the range 33 to 37=36, 33, 37, 34 therefore 4.
Hence the frequency which is to filled are 3,1,2,4.
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For the following equation, determine the values of the missing entries. Reduce all fractions to lowest terms.
x=y2
Note: Each column in the table represents an ordered pair. If multiple solutions exist, you only need to identify one.
Therefore, the solutions to the equation are (0, 0), (1, 1), (-1, 1), (2, 4), (-2, 4), (3, 9), and (-3, 9).
Which equation is this?In arithmetic equations, the exact symbol (=) is used to denote the equivalence of two assertions. It is demonstrated that mathematical methods, which have acted as manifestations of reality, can be used to assess a variety of numerical factors. The equal sign actually splits the number 12 into two separate pieces, despite the fact that the result is y + 6 = 12.
Here,
We can plug in some arbitrary values for y to find the corresponding values of x:
y x
0 0
1 1
-1 1
2 4
-2 4
3 9
-3 9
Therefore, the solutions to the equation are (0, 0), (1, 1), (-1, 1), (2, 4), (-2, 4), (3, 9), and (-3, 9).
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In applications, we consider any event that has below 5% chance. Pick a card from a standard deck of 52 cards. A=The card is an Ace. B = The card is Spade Ace. Is this likely to occur or not?
Answer:
Step-by-step explanation:
P(A) = 4/52 = 0.07692 which is bigger than 5%
5% = 0.05
0.07 is above 5% which is surprising.
The P(Spade A) = 1/52 = 0.01923 which is under 2% which meets your criteria.
what is the measure of x
Answer:
x = 9 inches
Step-by-step explanation:
You want the value of x in the similar triangles shown.
ProportionCorresponding sides are proportional. This means the ratio of the horizontal side of the triangle to the vertical side is the same for both.
6/4 = (6+x)/10
15 = 6 +x . . . . . . . . multiply by 10
9 = x . . . . . . . . . subtract 6
The measure of x is 9 inches.
__
Additional comment
You could also write the proportion ...
6/4 = x/(10 -4)
x = 36/4 = 9 . . . . . . . multiply by 6
You can see this if you draw a horizontal line through the figure at the top of the side marked 4 in.
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what 3 numbers would you use to compare 35,712
Answer:
35,694
35,981
35,102
Step-by-step explanation:
If you're using the hundreds place for comparison, it means the digits in higher places are the same, and that digits in the hundreds place are different.
This will be true for any 5-digit number of the form ...
(3)(5)(not 7)(something)(something).
The numbers might have digits to the right of the decimal point, but those are irrelevant, as are the digits in the 10s and 1s places.
Suppose MarketOne is a marketing company that has small businesses for clients. MarketOne charges an upfront cost of $350 for new clients and an additional $195 per month to run and maintain the client's website. A linear equation could be used to relate the total cost, in dollars, of MarketOne's services and the number of months that the client's website is running. Which solution is viable for this situation? For full points, write the equation and show your work.