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2 years ago

PLEASE!!!!!!! ITS ALMOST DUE!!!!

Mathematics

1 answer:

zzz [600]2 years ago

3 0

The GHOSTBUSTERS!!

If there's something strange

In your neighborhood

Who you gonna call?

Ghostbusters!

If there's something weird

And it don't look good

Who you gonna call?

Ghostbusters!

You the GHOSTBUSTER, ain't ya? I've got strange things taking place in my home, help me plis plisss!!!

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peter buys 8.5 square feet of carpet. the carpet cost $10.20 cents per square foot. how much does peter pay for the carpet?

Fiesta28 [93]

10.20*8= 81.60
10.20*.5= 5.10
add
81.60+5.10= 86.70
ANSWER: Peter pays $86.70 for the carpet

5 0

2 years ago

7 1⁄5 – 6 2⁄5 = ? A. 4⁄5 B. 1 4⁄5 C. 1 1⁄5 D. 13 3⁄5

STatiana [176]

Answer:

Step-by-step explanation:

Change the mixed numbers to improper fractions

7 $\frac{1}{5}$ = $\frac{36}{5}$

6 $\frac{2}{5}$ = $\frac{32}{5}$

The subtraction is then

$\frac{36}{5}$ - $\frac{32}{5}$

Both fractions have a common denominator so subtract the numerators leaving the denominator

= $\frac{36-32}{5}$ = $\frac{4}{5}$ → A

4 0

2 years ago

Amy is solving the equation using the steps shown.

Delicious77 [7]

The correct next step Amy could take is to factor (x^2 - 16) on the left side of the equation to yield (x + 4)(x – 4)(x + 2) = 0.

The equation is given as:

$\mathbf{(x^2 - 16)(x + 2) = 0}$

The possible next steps are:

1. Expand the equation as follows

$\mathbf{x^3+2x^2-16x-32 = 0}$

2. Express x^2 -16 as a difference of two squares as follows

$\mathbf{(x + 4)(x- 4)(x + 2) = 0}$

However, the correct step in this case is to factor x^2 - 16 as a difference of two squares to give $\mathbf{(x + 4)(x- 4)(x + 2) = 0}$

This is so, because the question says Amy is trying to solve for variable x.

This step will ensure that she gets the possible values of x, unlike expanding the whole equation .

Hence, the correct next step is $\mathbf{(x + 4)(x- 4)(x + 2) = 0}$

Read more about equations at:

brainly.com/question/7674413

7 0

1 year ago

The population of a town is 13,000. It decreases at a rate of 5% per year. In about how many years will the population be less t

just olya [345]

This is an exponential decay problem.

Using the equation Y = a *(1-rate)^time

where Y is the future value given as 12,000 and a is the starting value given as 13,000.

The rate is also given as 5%.

The equation becomes:

12,000 = 13,000(1-0.05)^x

12,000 = 13,000(0.95)^x

Divide each side by 13000:

12000/13000 = 0.95^x/13000

12/13 = 0.95^x

Use the natural log function:

x = ln(12/13) / ln(0.95)

x = 1.56 years. ( this will equal 12,000

Round to 2 years it will be less than 12000.

3 0

3 years ago

Calculator

frutty [35]

Answer:

1) There are two definitions Charlotte came up with to define the quantity:

• Number of new subscribers divided by number of posts

• Number of new subscribers divided by number of words

2) No. The definitions have opposite results

6 0

2 years ago

Read 2 more answers