Ask question

Ask question

All categories

3 years ago

13

Carmen is using the quadratic equation (x + 15)(x) = 100 where x represents the width of a picture frame. Which statement about

the solutions x = 5 and x = –20 is true?

1 answer:

Orlov [11]3 years ago

8 0

Answer:

X=5 is the solution

Step-by-step explanation:

If you plug 5 in the solution it will be equal to 100.

(5+15) (5) = 100

(20) (5) = 100

You might be interested in

Describe how to compare the two decimals 0.6 and 0.8

Dovator [93]

Answer:

they are 0.2 apart from each other and can easily be shown on a number line

Step-by-step explanation:

8 0

3 years ago

If 1 kilogram is 2.2lbs how many kilograms is 1lbs

DedPeter [7]

Answer:

0.45r

Step-by-step explanation:

I think thats right

5 0

3 years ago

Some numbers are 1/4 as large as another number. the difference of a number is 12.

Eddi Din [679]

Answer:

Step-by-step explanation:

x = ¼y

y - x = 12

y - ¼y = 12

¾y = 12

y = 16

x = ¼y = 4

3 0

3 years ago

Please answer!!! Will mark brainliest answer !!!

kenny6666 [7]

Answer:

A, D

Step-by-step explanation:

When we multiply the fractions, we can get:

$\frac{1}{5^{4} }$

This is also equivalent to:

$5^{-4}$

When looking at the answer choices, the only ones that equal $5^{-4}$ are A and D because:

$(5^{-2})^{2} =5^{-4}$

$5^{2}*5^{-6} = 5^{-4}$

3 0

3 years ago

The decay of 192 mg of an isotope is given by A(t)= 192e-0.015t, where t is time in years. Find the amount left after 55 years.R

finlep [7]

This is a typical radioactive decay problem which uses the general form:

A = A0e^(-kt)

So, in the given equation, A0 = 192 and k = 0.015. We are to find the amount of substance left after t = 55 years. That would be represented by A. The solution is as follows:

A = 192e^(-0.015*55)
<em>A = 84 mg</em>

6 0

3 years ago