3 years ago

For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation.

Mathematics

1 answer:

defon3 years ago

8 0

I believe that it would be y = (13/8)x

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Ben earns 9 dollars per hour and 6 dollars for each delivery he makes.He wants to earn more than 155 dollars in a 8 hour work da

Luden [163]

9 x 8 = 72
155 - 72 = 83
83 divided by 6 =13.8

So he has to make at least 14 deliveries in order to reach his goal.

6 0

2 years ago

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Question: The hypotenuse of a right triangle has a length of 14 units and a side that is 9 units long. Which equation can be use

kramer

Answer:

The hypotenuse is the longest side in a triangle.

a^2=b^2+c^2.

14^2=9^2+c^2.

c^2=196-81.

c^2=115.

c=√115.

c=10.72~11cm

5 0

3 years ago

Plz help me-7.1(z-1.1)

Elena-2011 [213]

Answer:

Step by step explanation:

$- 7.1(z - 1.1)$

Multiply each term in paranthesis by -7.1

$- 7.1 \times z - 7.1 \times ( - 1.1)$

Multiply:

$-7.1z + 7.81$

Hope this helps...

Good luck on your assignment..

6 0

3 years ago

<img src="https://tex.z-dn.net/?f=6x%5E2%20%3D%20726" id="TexFormula1" title="6x^2 = 726" alt="6x^2 = 726" align="absmiddle" cla

vova2212 [387]

Answer:

$x=11\\$

Step-by-step explanation:

$6x^2=726$ First, you need to divide everything by 6.

$x^2=121$ Then you put everything in a radical to get this:

$x=11$

3 0

3 years ago

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3.14(a2 + ab) when a = 4 and b = 2.

Debora [2.8K]

Just replace a with 4 and b with 2 and your equation looks like
3.14 (4×2+4×2)
solve within the parenthesis first
3.14 (8+8)
3.14 (16) =50.24

5 0

3 years ago