An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
The number of signs that are placed along the path, assuming that there is a sign at the beginning of the path but not at the end is 2 signs.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
Length of the path = 34 mile
There is a sign after every 18 miles.
Now,
There is a sign at the beginning of the path and not at the end.
The number of signs:
= 34 ÷ 18
= 34/18
= 1.8
This means there will be one sign.
Now,
There was a sign at the beginning so we have,
1 + 1 = 2 signs
Thus,
The number of signs that are placed along the path, assuming that there is a sign at the beginning of the path but not at the end is 2 signs.
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helpp me someone plssss
ASAP PLEASE!!!!!!!!!!!!!!!!!!!!1
Answer:
141 in²
Obviously don't write 141 in² because they've already wrote the in² part for you
0.14% or 7/20 or 0.014 or 1.4 Which is the greatest?
Answer:
1.4 is the greatest.
Step-by-step explanation:
1.4 is the only number that is greater than 1.
Hope this helps!
Janine can use up to 150 one-inch blocks to build a solid, cube-shaped model. What are the dimensions of the possible models that she can build? How many blocks would Janine use for each model? Explain.
Answer:
A total of 12 dimensions to make perfect cubes. 1x1, 2x2, 3x3, 4x4, 5x5, 6x6, 7x7, 8x8, 9x9, 10x10, 11x11, 12x12. Can i get a brainliest?
Step-by-step explanation:
1x1=1
2x2=4
3x3=9
4x4=16
5x5=25
6x6=36
7x7=49
8x8=64
9x9=81
10x10=100
11x11=121
12x12=144
Janine can build 12 models of equal dimension (1x1), (2x2), (3x3), (4x4), (5x5), (6x6), (7x7), (8x8), (9x9), (10x10), (11x11), (12x12).
What is a cube?A three-dimensional object with six equal square faces is called a cube. The cube's six square faces all have the same dimensions.
A cube is become by joining six squares such that the angle between any two adjacent lines should be 90 degrees.
The surface area of the cube = 6 side².
The volume of the cube = side³.
Given that Janine can build up to 150 inches² area of cube.
Area of cube < 150
So,
13x13 = 169 > 150 And 12x12 = 144 < 150
So Janine can use up to 12 inches cube
Possible dimensions up to 12 inches are
(1x1), (2x2), (3x3), (4x4), (5x5), (6x6), (7x7), (8x8), (9x9), (10x10), (11x11), (12x12).
Hence "Janine can build 12 models of equal dimension (1x1), (2x2), (3x3), (4x4), (5x5), (6x6), (7x7), (8x8), (9x9), (10x10), (11x11), (12x12)".
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Jimmy’s family moved to a tropical climate. For the year that followed, he recorded the number of days that had a temperature above 40 degrees C each month. His data contained -
14, 14, 10, 12, 11, 13, 11, 11, 14, 10, 13 and 8
1) Find the mean for his data set of days that had a temperature above 40 degrees C.
2) Find the median for his data set of days that had a temperature above 40 degrees C.
3) Find the mode for his data set of days that had a temperature above 40 degrees C.
4) If, instead, there are 5 more days per month that had a temperature above 40 degrees C, what will be the mean for the data?
5) If, instead, there are 2 more days per month that had a temperature above 40 degrees C, what will be the mode for the data?
6) If the number of days per month that had a temperature above 40 degrees C, doubles each month in that year, what will be the median for the data?
7) For what value of x will 9, 16, and x have the same mean (average) as that of 26 and 12?
8) For what value of x will 55 and x have the mean (average) as 67?
9) The mean (average) weight of three boys is 40 pounds. One of the boys weighs 50 pounds. The other two boys have the same weight. Find the weight of each of the boys?
10) A cat consumes 2 cups of milk every day. How much milk does that cat drink on an average in a week?
11) What is the mode for the above question?
Answer:
.
Step-by-step explanation:
Rewrite the equations using a negative exponent!! ill give brainliest, any random or incomplete answers will be reported!!
Answer:
11. \(x^{-2}\)
12. \(m^{-3}\)
13. \((x+2y)^{-4}\)
14. \((x+3y)^{-2}\)
15. \((x+y)^{-3}\)
16. \((2x+3y)^{-6}\)
17. \((-3m-9)^{-3}\)
18. \(x^{-4}\)
Step-by-step explanation:
In all of them you just subtract the bottom exponent from the top exponent.
Answer:
2348299392 xx
1. Explain what the food chain is. Give an example of each level of the food chain.
2. Which trophic level receives the most energy captured by plants?
3. By eating higher up the trophic level, what are humans contributing to?
4. What happens to most of the energy that enters the tropic level?
5. What percent of energy from one tropic level gets passed to another? Explain.
SORRY my answer got deleted somehow, but. A food chain refers to a sequence of organisms arranged according to the food they consume. The second part of the first question is Producers, consumers, predators, prey, scavengers, and decomposers. i hope this helped i cant answer all of them for you :D
The stem-and-leaf plot displays data collected on the size of 15 classes at two different schools.
Mountain View School Seaside School
0 5, 8
9, 8, 2, 0 1 0, 1, 2, 5, 6, 8
8, 7, 6, 5, 5, 4, 4, 3, 1, 0 2 5, 5, 7, 7, 8
0 3 0, 6
Key: 2 | 1 | 0 means 12 for Mountain View and 10 for Seaside
Part A: Calculate the measures of center. Show all work. (2 points)
Part B: Calculate the measures of variability. Show all work. (1 point)
Part C: If you are interested in a smaller class size, which school is a better choice for you? Explain your reasoning. (1 point)
The base of an isosceles triangle is three times as long as the side of a square. Each leg of the triangle is 1 inch more than twice a side of the square. Find the length of a leg of the triangle if the sum of perimeters is 46 inches.
9 inches
Step-by-step explanation:Let x be the length of the side of the square.
If the base of the triangle is 3 times as long as the side of the square, it is 3 times x, or 3x.
The same can be said for the legs, which is 1 inch more than twice the side of the square, so 2x + 1.
The triangle can therefore be thought to look like the triangle below.
The perimeter is therefore (2x+1) + (2x+1) + 3x, which is 7x + 2.
The sum of perimeters of both the square and triangle is 46.
The perimeter of the square is 4x, so the sum of perimeters is 4x + (7x+2), or 11x + 2.
11x + 2 = 46, so 11x = 44.
x is therefore 4
The leg is 2x + 1, so the leg is 8 + 1, so the length of the leg is 9 inches.
A puppet show crew uses a timer that includes both negative and positive minutes for before and during the play. If it takes the crew 40 minutes to assemble the box stage, 13 minutes to organize the sock puppets, and 10 minutes to greet the children, what time should the timer read when they begin?
–63 minutes
–17 minutes
0 minutes
53 minutes
Answer:
63 minutes
Step-by-step explanation:
40+13+10 = 63
Answer:
-63
Step-by-step explanation:
The time before the play are negative and the tmes during the play are positive
assembly = 40 min
organising the puppets = 13 min
greeting children = 10 min
All the above are done before the actual start of the play so they will be recorded in negative minutes
Total time:
(-40) + (-13) + (-10)
= - 40 - 13 - 10
= -63
Before you multiply or divide a fraction by a mixed number, you have to make sure they are both in the same___________?
Answer:
Step-by-step explanation:
form. Meaning you need make both fractions improper
Can someone help me and tell me what this is I dont get it
Answer:
of the First rectangle Is smaller than the second the factor Is greater than One , if the First and the second are the same the scale factor Is one, and of the First Is bigger than the second the factor Is less than one
so:
a greater
b greater
c less
D greater
e equal
f less
g equal
Answers in bold:
P to Q: greater than 1P to R: greater than 1Q to S: less than 1Q to R: greater than 1S to P: equal to 1R to P: less than 1P to S: equal to 1========================================================
Explanation:
We have these three rules for scale factors
scale factor > 1, enlarge the image0 < scale factor < 1, shrink the imagescale factor = 1, the preimage and image are identicalWith those rules in mind, we have enlargements for these transformations.
P to QP to RQ to RAll of which represent some scale factor larger than 1. We don't have enough information to pinpoint what that scale factor would be.
In other words, if you go from small to big, then you apply some scale factor larger than 1 to enlarge the image.
----------------
We also have these reductions
Q to SR to PThis is where we go from big to small. The image shrinks and we use some scale factor between 0 and 1.
----------------
And finally we have these transformations in which the size of the image does not change. Therefore the scale factor is 1.
P to SS to PThe order doesn't matter for this subset, but the order will matter for the other batches of transformations.
Edward deposited $2250 into a savings account 3 years ago. The simple interest rate is 4%.
Edward earned $ __ in interest.
His new account balance is ___$ . (pls step by step explanation)
Emilio is modeling 4.62 ÷ 6 . How should he exchange the place-value blocks so he can make 6 equal shares
Answer: Change 4.62 to 462.
Step-by-step explanation: If you multiply 4.62 by 100 you get 462.
1) 46/6 = 7 r 4
2) Drop down the 2 and 42/6 equals 7.
3) This will make each person get 77.
Answer: 77
(Please consider brainliest)
Rosena bought an 8 pack of donuts to share with her friend at school. The donuts cost $28.00 all together. What is the unit rate for the donuts in $/donuts?
Answer:
$3.50/donut
Step-by-step explanation:
Since Rosena bought an 8-pack of donuts for $28.00, we can say that the price of $28.00 corresponds with this pack.
The unit rate represents the price per donut, assuming a constant proportion.
The pack that Rosena bought contains 8 donuts. Therefore, to find the price of one donut, divide the price that corresponds with the 8-donut pack by 8, because \(8\div 8=1\).
The price of the 8-pack of donuts was \(\$28.00\). Diving by 8, we have:
\(\frac{\$28.00}{8}=\boxed{\$3.50}\)
Therefore, the unit rate for the donuts is $3.50/donut.
Answer:
$3.5
28/8 = 3.5
Is this a function?
{(–2, 4), (0, 5), (2, 4), (3, 5), (–2, 1), (1, 4)
PLZ HURRY WILL MARK BRAINLIEST
Answer:
not a function
Step-by-step explanation:
A function has a one to one relationship
No input value can have more than one output value
-2 as an input goes to both 4 and -1 so it has more than 1 output
This is not a function
Given line AB, use similar triangles to prove that the slope of line AB is the same between any two points on the line.
1. Create two similar, but not equal, right triangles using segments of line AB as the hypotenuse of each triangle. For the first right triangle use point A(-5,-1) and choose another point on the line to form the hypotenuse. For the second right triangle use point B(4,3.5) and choose another point on the line to form the hypotenuse. For each point used to create the triangles, name the point with a capital letter and coordinates. For example, the triangle using point A could be named ΔACE and the triangle using point B could be named ΔBDF.
2. For the pair of similar triangles created in Part 1, list three pairs of corresponding angles that are equal and three sets of proportionate sides.
3. Use the pair of similar triangles created in Part 1 to demonstrate that the slope of line is the same between any two points on the line.
In your final answer, include a copy of your graph labeling original line AB, and all of Parts 1-3 Be sure to show the vertical and horizontal lengths used for the rise and run of the slope. To submit your answers, use a word processing program or handwritten solutions.
Answer: AB
Step-by-step explanation:
help me pls, thanks ^^
Answer:
As the time increases, the distance from the floor decreases by 40 cm per second. You find 40 by taking (6,1140) and (9,1020). The slope formula is y2 - y1 over x2- x1. Plug in the variables and you get (1020-1140)/(9-6)= -120/3= -40.
Step-by-step explanation:
I need help with Part A and Part B and I need help on how to show work
Answer:
A) A+ or 5+ (not sure about this)
B) Should be 112.5%
Step-by-step explanation:
So let's say 27 is the amount of points he got. The amount of points without extra credit should be 24 as said in the task. We take 27/24 * 100. That will give the percentage achieved.
As for A I'm not sure. I believe the grade should be the highest which should either be A or 5 (these amount to 100% of task completed) And since these are 100% grades then the 112.5% grade should be A+ or 5+ or whatever unit you are using
Simplify the expression.
3.1 -5.7n - 4n+6=
Answer:
-89
Step-by-step explanation:
m
solve: 3(x+4)= 12 + 3x
Answer:
All solutions
Step-by-step explanation:
Regardless of what x equals the answer will work
Answer:
x=2
Step-by-step explanation:
3(x+4)= 12 + 3x
x=2 12+3x
3(2+4) x=2
3x6 3x2=6
18 12+6=18
Please answer the following two-step equation and show all work
-2/3x + 20 = 30
Answer:
x= 0.06 or 1 over 15..the 1/5 only this thing wont let me do fractions
Step-by-step explanation:
at bike shop x it costs $2.75 per hour plus a $3.00 deposit to rent a bike. at bike shop z it costs $1.75 per hour plus a $7.00 deposit to rent a bike.
a.) write the system of equations that could be used to find c, the total cost for renting a bike for n hours at each shop.
b.) graph the system of equations.
c.) when would it cost less to rent a bike from bike shop x? explain.
Answer:
Multiply the rate per hour by the number of hours (n) and add the deposit.
A)
Bike shop x: c = 2.75n + 3.00
Bike shop z: c = 1.75n + 7.00
B) to find when they will cost the same set the equations equal to each other and solve for n:
2.75n + 3.00 = 1.75n + 7.00
Subtract 3 from each side:
2.75n = 1.75n + 4.00
Subtract 1.75n from both sides:
1.00n = 4.00
Divide both sides by 1:
n = 4 hours
Can someone please give me a good explanation of how to work this out! 15 points for a good answer.
= 26,(6)
≈ 26,7
Step-by-step explanation:C = 5/9(F - 32)
= 5/9(80 - 32)
= 5/9(48)
= 5×48/9
= 240/9
= 26,(6)
≈ 26,7
Answer needed by 1:20pm (does anyone know how to find all answers to IXL Y.11???)
Answer:
91ft^2
Step-by-step explanation:
A = w*l
first, solve for the bottom rectangle
w = 7ft
l = 8ft
7ft * 8ft = 56ft^2
then for the second rectangle
l = 5ft
w = 7ft
5ft*7ft = 35ft^2
total area = rectangle 1+2
so 35ft^2+56ft^2=91ft^2
Answer:
The answer for the Area of the shape is 91ft²
Step-by-step explanation:
Area of the shape =Area of Bigger rectangle+ Area of small rectangle
A=L×B+l×b
A=7×8+5×7
A=56+35
A=91ft²
At a recent football game of 8,450 in attendance, 150 people were asked what they prefer on a hot dog. The results are shown.
Ketchup Relish Chili
54 36 60
Based on the data in this sample, how many of the people in attendance would prefer ketchup on a hot dog?
4,225
3,380
3,127
3,042
By proportion that is:(54/150) * 8450= 54 * 56 1/3= 3042
Answer:
By proportion that is:(54/150) * 8450= 54 * 56 1/3= 3042
Step-by-step explanation:
A function with an input of 1 has and output of 3. Which of the following could NOT be the function equation?
1. y= 3x
2. y= x+2
3. y= 4x-3
4. y= 4x-1
Answer:
The answer is 3
y=4x-3❌
Step-by-step explanation:
1)y=3x=3(1)=3✅
2)y=x+2=1+2=3✅
3)y=4x-3=4-3=1❌
4)y=4x-1=4-1=3✅
Which of the x-values satisfy the following inequality?
Can someone please help me with this problem..and explain it. Don't mind the numbers and dots i'm pretty sure they're wrong
Answer:
59°
Step-by-step explanation:
The maximum temperature is just the y-coordinate of the uppermost point on the graph, which is (6 hr, 59°). Hence, it is 59°.
PLEASE GIVE CORRECT ANSWER WILL MARK BRAINIEST
Answer:
a - 30.5
b - 31
c - 31
d - 2
Step-by-step explanation:
Mean is average:
31,29,31,30,31,30,31,31,30,31,30,31
366/12
30.5
Median is the middle of the data points.
Line data points up in order from least to greatest.
29,30,30,30,30,31,31,31,31,31,31,31
12/2=6
Since there is an even amount data points the median is the mean of the two middle data points:
Middle data points: 31,31
31
Mode is the most common data point.
It would be 31.
Range is highest point subtracted by lowest point.
31-29=2