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nadezda [96]
2 years ago
8

What is the rule for the following sequence of numbers: 2, 7, 17, 37, ?

Mathematics
1 answer:
Lorico [155]2 years ago
4 0

Answer:

The rule is "add 5, add 10, add 20" and the rule keeps doubling.

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You buy 50 of your favorite songs from a web site that charges $.99 for each song. What is the cost of 50 songs?
liberstina [14]

Answer: $49.5

Step-by-step explanation: If each song costs 0.99 cents then you multiply the number of songs you are buying by the cost. So that would be 0.99×50=49.5

5 0
3 years ago
Which graph best shows the relationship between the length of one side of a square and its perimeter.
sladkih [1.3K]
The answer is the 1st graph. This is because a square have 4 sides and it is all the same. on the x axis (Side length) when it is 4 the perimeter (Length around the outside) will be 4 x 4 which is 16.

Hope this helps? 
6 0
3 years ago
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Find an equivalent expression. 10-8(4x-2)
andrew-mc [135]

Answer:

-32x+26

Step-by-step explanation:

7 0
3 years ago
Solve the system of equations 4x+5y=-1 and -5x-8y=10 by combining the equations.
Nimfa-mama [501]

The solution of the equation are as follows:

x = 6 and y = -5

<h3 />

<h3>How to solve the system of equation?</h3>

4x + 5y = -1

-5x - 8y = 10

Therefore,

20x + 25y = -5

-20x - 32y = 40

-7y = 35

y = -5

Hence,

4x + 5(-5) = -1

4x - 25 = -1

4x = -1 + 25

4x = 24

x = 24 / 4

x = 6

learn more on equation here:brainly.com/question/14383993

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6 0
2 years ago
Todd and his brother robert are going to use 512 square feet of their backyard for skateboard ramps. the shape of the backyard i
Ahat [919]

The dimensions are 16  ft by 32 ft

The quadratic equation is w^2-256=0

We have given that,

Todd and his brother Robert are going to use 512 square feet of their backyard for skateboard ramps. the shape of the backyard is rectangular, with the length twice as long as the width.

<h3>What is the area of the rectangle?</h3>

The area of a rectangle is equal to

A=WL

Where L is the long side of the rectangle

W is the width side of the rectangle

in this problem we have

A=512ft^2

S0,512=LW -----> equation A

L=2W ------> equation B

substitute equation B in equation A

512=2W(W)

512=2w^2

2w^2-512=0

W^2=512/2

W=\sqrt(256)

W=16

Find the value of L

L=2W

L=2(16)

L=32ft

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7 0
2 years ago
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