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3 years ago

6

What is the inverse of the function f(x)=2x-10?

1 answer:

8090 [49]3 years ago

5 0

Answer: Try D

Step-by-step explanation:

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Need to show my work

dalvyx [7]

Answer:

$\large\boxed{x=\dfrac{5}{4},\ y=\dfrac{15}{16}}$

Step-by-step explanation:

$\left\{\begin{array}{ccc}y=\dfrac{3}{4}x&(1)\\\dfrac{5}{2}x+2y=5&(2)\end{array}\right\\\\\text{Substitute}\ (1)\ \text{to}\ (2):\\\\\dfrac{5}{2}x+2\left(\dfrac{3}{4}x\right)=5\\\\\dfrac{5}{2}x+\dfrac{3}{2}x=5\\\\\dfrac{5+3}{2}x=5\\\\\dfrac{8}{2}x=5\\\\4x=5\qquad\text{divide both sides by 4}\\\\x=\dfrac{5}{4}$

$\text{Put the value of}\ x\ \text{to (1)}\\\\y=\dfrac{3}{4}\cdot\dfrac{5}{4}\\\\y=\dfrac{15}{16}$

4 0

3 years ago

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3. Jessie is looking for the volume of the cone

Llana [10]

Answer:

A

Step-by-step explanation:

The base is the circle.

To find the area of the circle, use pi*r^2

pi = 3.14

r = 6

Area = 3.14 * 6^2
Area = 3.14 * 36
Area = 113.04

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3 years ago

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A right triangle has a leg of 12 cm and a hypotenuse of 16 cm what is the length of the other leg

Oksi-84 [34.3K]

The length of the other leg is 12 cm

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3 years ago

In the year 2007, a company made $2.2 million in profit. For each consecutive year

balu736 [363]

Answer:

1.7

Step-by-step explanation:

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3 years ago

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Which of these equations have no solution? Check all that apply.

ollegr [7]

Answer:

the first one

Step-by-step explanation:

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