Answer:
9/2 and -7/2
we add both answer is 1
so in number line 1 is points
when right so mark me brainlists
Answer
Okay so I got this answer wrong on my own quiz so I will screenshot you the answer <3
So sorry if this is wrong!! :((
What is (-2/3)+(7/8)?
Answer: 5/24
Step-by-step explanation:
(-2/3)+(7/8)=
(-2/3)+(7/8)*24/24= ==> 24 is the LCM of 3 and 8
\(\frac{(-2*24)/3+(7*24)/8}{24}\)=
\(\frac{-2*24/3+7*24/8}{24}\)=
\(\frac{-2*8+7*3}{24}\)=
\(\frac{-16+21}{24}\)=5/24
You are given that z > 2. Write an inequality for each expression.
a) 2z+ 9
b) 3(z - 4)
c) 4+2z
d) 5(3z-2)
a) The inequality for the expression 2z + 9 is 2z + 9 > 13.
b) The inequality for the expression 3(z - 4) is 3z - 12 > -6.
c) The inequality for the expression 4 + 2z is 4 + 2z > 8.
d) The inequality for the expression 5(3z - 2) is 15z - 10 > 20.
a) To write an inequality for the expression 2z + 9, we can multiply the given inequality z > 2 by 2 and then add 9 to both sides of the inequality:
2z > 2 * 2
2z > 4
Adding 9 to both sides:
2z + 9 > 4 + 9
2z + 9 > 13
Therefore, the inequality for the expression 2z + 9 is 2z + 9 > 13.
b) For the expression 3(z - 4), we can distribute the 3 inside the parentheses:
3z - 3 * 4
3z - 12
Since we are given that z > 2, we can substitute z > 2 into the expression:
3z - 12 > 3 * 2 - 12
3z - 12 > 6 - 12
3z - 12 > -6
Therefore, the inequality for the expression 3(z - 4) is 3z - 12 > -6.
c) The expression 4 + 2z does not change with the given inequality z > 2. We can simply rewrite the expression:
4 + 2z > 4 + 2 * 2
4 + 2z > 4 + 4
4 + 2z > 8
Therefore, the inequality for the expression 4 + 2z is 4 + 2z > 8.
d) Similar to the previous expressions, we can distribute the 5 in the expression 5(3z - 2):
5 * 3z - 5 * 2
15z - 10
Considering the given inequality z > 2, we can substitute z > 2 into the expression:
15z - 10 > 15 * 2 - 10
15z - 10 > 30 - 10
15z - 10 > 20
Therefore, the inequality for the expression 5(3z - 2) is 15z - 10 > 20.
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Solve this system by substitution
Go step by step to reduce the radical. V32 VDVO try You must answer all questions above in order to submit.
Reducing the radical, we'll get:
\(\sqrt[]{32}\rightarrow\sqrt[]{16\cdot2}\rightarrow\sqrt[]{16}\cdot\sqrt[]{2}\)araceli renta un local rectangular de 4.2 metros de frente y 7.3 metros de largo para su panaderia, ¿cuantos metros cuadrados tiene el local que rento?
The number of square meters that the space that Araceli rents is, is 30. 66 square meters.
How to find the area ?The space that Araceli rents has a rectangular space so to find the area of the rectangular space that Araceli rents, we need to multiply the length by the width.
The given width is 4. 2 meters and the length is 7. 3 meters.
The area of the space in square meters is therefore :
Area = Length × Width
Area = 7. 3 meters × 4. 2 meters
Area = 30. 66 square meters
In conclusion, the space that Araceli rents has an area of 30. 66 square meters.
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x = 13, ¿cuál ecuación es verdadera?
3(18 - x) = 67
4(9x) = 23
2(x-3)=7
5(x-9) = 20
When x = 13, the equation that is true is option D) 5(x - 9) = 20.
To determine which equation is true when x = 13, we can substitute the value of x into each equation and see which equation holds true. Let's go through each option:
A) 3(18 - x) = 67
Substituting x = 13:
3(18 - 13) = 67
3(5) = 67
15 = 67
The equation is not true when x = 13. Therefore, option A is false.
B) 4(9x) = 23
Substituting x = 13:
4(9*13) = 23
4(117) = 23
468 = 23
Again, the equation is not true when x = 13. Therefore, option B is also false.
C) 2(x - 3) = 7
Substituting x = 13:
2(13 - 3) = 7
2(10) = 7
20 = 7
Once again, the equation is not true when x = 13. Therefore, option C is false as well.
D) 5(x - 9) = 20
Substituting x = 13:
5(13 - 9) = 20
5(4) = 20
20 = 20
Finally, the equation is true when x = 13. Therefore, option D is true.
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Note: the translated questions is
X = 13, which equation is true?
express each ratio as a fraction in simplest form 6min to 1 hour
Answer:
1/10
Step-by-step explanation:
6 goes in 10 times into 60 :)
4. Edward had $38 in his bank account. He went to 108th Street and bought 12 sodas. Now, he has $14. Write, solve, and check an equation to find how much each soda cost.
Using the variable x to represent the cost of each soda, we can write the following equation to represent the balance in Edward account:
\(38-12\cdot x=14\)Now, solving this equation, we have:
\(\begin{gathered} 38-14=12x \\ 12x=24 \\ x=\frac{24}{12} \\ x=2 \end{gathered}\)So the cost of each soda is $2.
need help for an assignment please and thank you.
In a college, there are 800 students in the first year, 950 students in the second year and 1000 students in the third year. If this data were graphed as a pie chart, what would be the size of the angle in the third year?
Answer: \(130.9^{\circ}\)
Step-by-step explanation:
Given
The number of students in the first year is 800
The number of students in the second year is 950
The number of students in the third year is 1000
If this data is graphed on a pie chart, then the area percentage of area occupied by third years is
\(\Rightarrow \dfrac{1000}{1000+950+800}\times 100=36.36\%\)
Now, the angle around the center of the circle is \(360^{\circ}\)
\(\therefore \text{angle covered by third years=}0.3636\times 360^{\circ}\\\Rightarrow 130.896\approx 130.9^{\circ}\)
what is the pythagoras theorum in terms of shakespear?
Answer:*
Step-by-step explanation:
Aiko is building a tower out of paper. She starts by making 2 congruent circular bases. She then makes 1 curved surface for the body of the tower. What three-dimensional figure does Aiko build
Answer:
Cylinder
Step-by-step explanation:
Answer:
cylinder
Step-by-step explanation:
Helen is working at her school's bake sale. Each mini cherry pie sells for $4, and each mini peach pie sells for$3 . Helen sells 25 pies and collects $84. How many pies of each kind does she sell?
The number of mini cherry pie and mini peach pie that she sold each would be = 12
How to calculate the quantity of pies sold?The price for each cherry pie = $4
The price for each peach pie = $3
The total price for the whole pies sold = $84
The quantity of each pie sold. is calculated as thus;
= 4+3 = 7
For cherry pie;
= 4/7 × 84
= 336/7
= $48
The number of cherry pie sold = 48/4 = 12
For peach pie;
= 3/7× 84
= 252/7
= $36
The number of peach pie sold = 36/3 = 12
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Find any value of x that makes the equation x + 100 = x - 100 true.
Since the sides are the same, this problem is unsolvable
Consider the following data representing the price of laptop computers (in dollars). 12041204, 12061206, 13451345, 13061306, 12071207, 10781078, 13571357, 12321232, 12281228, 13021302, 11891189, 11771177, 10831083, 10941094, 13261326, 10711071, 14271427, 13481348, 14201420, 12531253, 1270 Determine the frequency of the fifth class.
Answer:
Step-by-step explanation:
The given data is expressed as
1204, 1206, 1345, 1306, 1207, 1078, 1357, 1232, 1228, 1302, 1189, 1177, 1083, 1094, 1326, 1071, 1427, 1348, 1420, 1253, 1270
The number of items in the data, n is 21. The lowest value is 1071 while the highest value is 1427. The convenient starting point would be 1070.5 and the convenient ending point would be 1427.5
The number of class intervals is
√n = √21 = 4.5
Approximately 5
The width of each class interval is
(1427.5 - 1070.5)/5 = 72
The end of each class interval would be
1070.5 + 72 = 1142.5
1142.5 + 72 = 1214.5
1214.5 + 72 = 1286.5
1286.5 + 72 = 1358.5
1358.5 + 72 = 1430.5
The frequency for the fifth class, that is between 1358.5 to 1430.5 would be 2
please help
P (-∞ < z < ∞) =
The entire area is under the standard normal distribution curve, which is 1 by definition.
In other words, a typical normal random variable has a 100% chance of landing anywhere within its range of potential values (-∞ to +∞).
This makes sense since the area under the standard normal distribution curve, which is a continuous probability distribution, shows the likelihood that the random variable will take on any value within its range. Since the entire area under the curve is 1, the likelihood that any potential value for the random variable will occur is 1, or 100%.
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Sarah Meeham blends coffee for Tasti-Delight. She needs to prepare 150 pounds of blended coffee beans selling for $5.54 per pound. She plans to do this by blending tighter a high-quality bean costing $6.25 per pound and a cheaper bean $3.25 per pound. To the nearest pound, find how much high-quality coffee bean and how much cheaper coffee bean she should blend.
let p= pounds of expensive $6.50 coffe
Then 140-p = pounds of $2.00 coffee
6.5p + 2(140-p) = 4.89(140)
Multiply through the parenthesis,
combine like terms... solve for p.
Then you know how many pounds of
$6.50 coffee to use.
Subtract that from 140 to get how many
pounds of $2.00 coffee the use.
What is the volume of the
cylinder? Use 3.14 for a.
A 1200 cubic inches
B 1884 cubic inches
C 3768 cubic inches
D 28,260 cubic inches
Answer:
Step-by-step explanation:
area of top face = π15² = 225π in²
volume = 225π × 40 = 9000π ≅28,260 in³
What is the result of dividing x3−6 by x + 2?
Answer: \(\bold{x^2-2x+4-\dfrac{14}{x+2}}\)
Step-by-step explanation:
I am going to use Synthetic Division.
The divisor is: x + 2 = 0 → x = -2
The coefficients are: 1x³ + 0x² + 0x - 6 → 1, 0, 0, -6
-2 | 1 0 0 -6
| ↓ -2 4 -8
1 -2 4 -14 ← remainder
Reduced Polynomial is: x² -2x + 4 - 14/(x + 2)
The result of dividing x³ - 6 by x + 2 gives;
(x + 2)(x² - 2x + 4) - 14
We are given the functions;f(x) = x³ - 6
g(x) = x + 2
We want to divide x³ - 6 by x + 2. This denotes f(x)/g(x)
This is simply solved by making use of long division method of polynomials.
Thus; f(x)/g(x) = (x³ - 6)/(x + 2)
x² - 2x + 4
______________
x + 2 I x³ - 6
- (x³ + 2x²)
----------------
-2x² - 6
-(-2x² - 4x)
-------------------
4x - 6
-(4x + 8)
-------------
-14
We can see we have a quotient and a remainder. Thus, the final solution will be written as;
(x + 2)(x² - 2x + 4) + (-14)
⇒ (x + 2)(x² - 2x + 4) - 14
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Consider the following functions.f(x) = x + 5g(x) = 2x − 1Use the functions to find (g ∘ f)−1.
According to the definition,
\((g\circ f)(x)=g(f(x))\)find the composition
\(\begin{gathered} g(f(x))=2(x+5)-1 \\ g(f(x))=2x+10-1 \\ g(f(x))=2x+9 \end{gathered}\)then, find the inverse of the function,
\(\begin{gathered} y=2x+9 \\ switch\text{ }the\text{ }variables \\ x=2y+9 \\ clear\text{ }for\text{ }y \\ x-9=2y \\ y=\frac{x-9}{2} \end{gathered}\)Answer:
\((g\circ f)^{-1}=\frac{x-9}{2}\)Trina has a credit card that uses the adjusted balance method. For the first 10
days of one of her 30-day billing cycles, her balance was $780. She then
made a purchase for $170, so her balance jumped to $950, and it remained
that amount for the next 10 days. Trina then made a payment of $210, so her
balance for the last 10 days of the billing cycle was $740. If her credit card's
APR is 17%, which of these expressions could be used to calculate the
amount Trina was charged in interest for the billing cycle?
OA. (30)($780)
365
B.
O C.
D.
0.17
365
0.17
365
0.17
365
30
30
(10 $780+10 $950 +10 $210)
30
10
$780+10$950+10 $740
30
•30) ($570)
The expression that could be used to calculate the amount Trina was charged in interest for the billing cycle is (APR / 365) x 30 days x adjusted balance.
What is the adjusted balance method?The adjusted balance method is one of the methods for computing the finance charge (interest and other fees) for credit cards.
The adjusted balance is the ending balance determined after adjusting the opening balance with purchases and payments.
Credit card interest method = adjusted balance method
Beginning balance = $780
Purchase = $170
Payment = $210
Adjusted balance, AB = $740 ($780 + $170 - $210)
APR = 17% = 0.17 (17/100)
The interest charged = (APR / 365) x 30 days x adjusted balance
= $10.34 [(0.17/365) x 30 x $740]
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Julia has 9 one pound bags of sand each a different color. For a art project she will use 1/8 lb of each bag of sand to create sand art jar. How much sand will be in the jar?
a. 8/9, b. 1/72, c. 1 1/9, d. 1 1/8
Express in p/q form 0.125125125
Answer:
Step-by-step explanation:
Solution
0.125125125
Cut . Thus after cut . Count numbers then we get there is 9 numbers so divide it in form of 0 like
Thus after cutting . we get
125125125
___________
1000000000
It is in p/q form
Answer:
\(\frac{125}{999}\)
Step-by-step explanation:
Create 2 equations with the repeating numbers 125 placed after the decimal point.
let x = 0.125125125 → (1) ← multiply both sides by 1000 )
1000x = 125.125125125 → (2)
Subtract (1) from (2), thus eliminating the repeating decimal
999x = 125 ( divide both sides by 999 )
x = \(\frac{125}{999}\) ← in the form \(\frac{p}{q}\)
whats the value of 5 in the product of 6,541 x 100
Answer:
50,000
Step-by-step explanation:
The product would be 654,100. Replace the other numbers to find the value of 5. The value of 5 is 050,000 or 50,000.
I hope this helps!
$750 is deposited in an account with 8%
interest rate, compounded continuously.
What is the balance after 6 years?
F = $[?]
Round to the nearest cent.
\(~~~~~~ \textit{Continuously Compounding Interest Earned Amount} \\\\ A=Pe^{rt}\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$750\\ r=rate\to 8\%\to \frac{8}{100}\dotfill &0.08\\ t=years\dotfill &6 \end{cases} \\\\\\ A = 750e^{0.08\cdot 6}\implies A=750e^{0.48} \implies A \approx 1212.06\)
6x + 45 is less than or equal to 240
Answer: neither
Step-by-step explanation:
To get rid of the fractions, we pick a useful number and multiply both sides of the equation by that number. The number is useful if multiplying eliminates all fractions.
The product of 9 and Jose's savings is 108. Use the variable j to represent Jose's savings. How do I translate the sentence into an equation.
Equation: 9× J= 108
Answer :J=12
before class, you decided to go for a run around a circular track with radius 0.25 miles centered at (0,0). if you end up at to a point where x
If the point you end up at is coordinate (0.25, 0) then you would have ran one full lap around the track.
1. The given track is a circular track with a radius of 0.25 miles, and the center of the track is at (0, 0).
2. If you end up at the point (0.25, 0), then you would have ran one full lap around the track. This is because the coordinates of the point you end up at, (0.25, 0), are the same as the coordinates of the circumference of the track, which is located 0.25 miles from the center of the track.
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Graph the line that has a slope of 5 and includes the point (0, 2).
Answer:
Step-by-step explanation:
→ If includes the point (0,2) first mark that point on the graph
→From point (0,2) go up 5 and to the right 1 and mark that point
Slope = rise / run = 5/ 1 so go 5 up and 1 to the right (because 5 is a positive number and a positive slope will give un a line that goes up from left to right)
→Draw a line trough the points (0.2) and (1,7)
Clare had t books. After she bought 8 more books, she had 24 books. Write and solve an equation to find the number of books Clare started with
Answer:
24-8=t
Step-by-step explanation:
I cant really explain much...
but, Hope it helps
plz mark brainiest if it does
4. United Bank offers a 15-year mortgage at an APR of 4.2%. Capitol Bank offers
a 25-year mortgage at an APR of 4.5%. Marcy wants to borrow $120,000.
a. What would the monthly payment be from United Bank?
b. What would the total interest be from United Bank? Round to the nearest
ten dollars.
c. What would the monthly payment be from Capitol Bank?
d. What would the total interest be from Capitol-Bank? Round to the nearest
ten dollars.
e. Which bank has the lower total interest, and by how much?
f. What is the difference in the monthly payments?
uw.nadin
g. How many years of payments do you avoid if you decide to take out the
shorter mortgage?
Monthly payment for United bank = $1207.70, monthly payment for capitol bank =$1834.62. Total interest from United bank = $75600 and from capitol bank = $135000.
What is total interest?
Total interest is determined by the addition of all the interest payments.
what would be the monthly payment and total interest from each bank?
United bank offers mortgage at an APR of 4.2%
APR means annual percentage rate.
mortgage is offered for the period of 15 years.
initial principal amount of Marcy = $120000
we need to determine the monthly payment from United bank.
at first, we will determine the rate of interest per month.
monthly interest rate = (4.2) / (100 × 12) = 0.0035
1 year = 12 months
15 years = 15×12 = 180 months
monthly payment is calculated by the formula = [rate + (rate) / {(1+rate)∧month}⁻¹] ×principal
monthly payment = [ 0.0035 + (0.0035) / {(1+0.0035)∧180}⁻¹] ×120000
= $1207.70
from united bank monthly payment = $1207.70
Now we calculate the monthly payment from Capitol bank.
APR for capitol bank = 4.5%
number of years for which mortgage is issued = 25 years
number of months = 12×25 = 300.
monthly interest rate = (4.5) / (100×12) = 0.00375
monthly payment for capitol bank = [0.00375 + (0.00375) / {(1+0.00375)∧300}⁻¹] × 120000
= 1834.62
monthly payment from Capitol bank = $1834.62
total interest from Capitol bank = principal money × yearly interest rate × time period.
Total interest = 120000 × 4.5/100× 25
= $135000 for the Capitol bank
Total interest from United bank = principal amount × yearly interest × time period
= 120000× 4.2/100 × 15
total interest from united bank = $75600
United bank has lower total interest.
difference in monthly payment = 1834.62 - 1207.70
= 626.92 dollars
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