3 years ago

Over which interval on the x-axis is there a negative

Mathematics

1 answer:

trapecia [35]3 years ago

5 0

4 I’m not that sure though

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HELP PLEASE! ILL MARK BRAINLIEST!

Alex

Answer:

5 days

Step-by-step explanation:

425x0.07=29.75

320-29.75=290.25

290.25÷53.75=5.4

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2 years ago

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Help please BRAINLIEST

Anettt [7]

Answer:

2 im pretty sure

Step-by-step explanation:

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3 years ago

Which equation is the inverse of y = 7x2 – 10?

MrRissso [65]

we have

$y=7x^{2}-10$

To find the inverse

Step 1

Exchanges the variables, x for y and y for x

$x=7y^{2}-10$

Step 2

Isolate the variable y

$x=7y^{2}-10$

$7y^{2}=x+10$

$y^{2}= \frac{x+10}{7}$

Square Root both sides

$y=(+/-)\sqrt{\frac{x+10}{7}}$

Step 3

Let

$f(x)^{-1}=y$

$f(x)^{-1}=(+/-)\sqrt{\frac{x+10}{7}}$

therefore

<u>the answer is</u>

The inverse is

$f(x)^{-1}=(+/-)\sqrt{\frac{x+10}{7}}$

8 0

3 years ago

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The mean age of 5 people in a room is 32 years. A person enters the room. The mean age is now 34. What is the age of the person

nikdorinn [45]

The age of the person is 36 :) hoped this helped

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3 years ago

What is 2 thirds of 60

Mkey [24]

You have to set up a proportion so 2 over 3= x over 60. So multiply 2 times 60= 120 divided by 3 which is 40

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3 years ago