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2 years ago

How do you change a number ti a percentage?

1 answer:

5 0

My teacher taught me to make an imaginary decimal and 0 at the beginning of the number and then move the decimal to the end of the number... idk that may be the wrong way to do it but you can try :/

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rick deposited $6200 in a savings account with simple interest. three years later, the account held $7130 what was the interest

Law Incorporation [45]

1) Gathering the data

P=$6200

F=7310

t= 3 yrs

2) Since it is a simple interest, it is a linear application. So we can find it using this formula:

$undefined$

8 0

11 months ago

The price of a house is originally listed at $155,000. The owners are having a hard time selling it and decide to reduce the pri

saul85 [17]

Answer:

83%

Step-by-step explanation:

We can put this into a fraction to get the ratio of the new price over the old price

$\frac{128650}{155000}$

This will give us the percentage of how much was decreased.

The answer you get is .83

Bring 2 decimal places to the right to get 83 (converting from decimal to percentage)

You get 83 percent to be your answer

3 0

1 year ago

Read 2 more answers

Which of the following words does not indicate addition?

dsp73

Th answer is c. quotient, because it has to do with multiplication and not addition.

6 0

2 years ago

Read 2 more answers

Find the difference of the following polynomials:<br> (-2r4 + 3r3 - 10) and (4r4 - p3 + 2r2 + 7).

Vilka [71]

$-6 r^{4}+4 r^{3}-2 r^{2}-17$ is the difference between $-2 r^{4}+3 r^{3}-20 \text { and } 4 r^{4}-p^{3}+2 r^{2}+7$

Step-by-step explanation:

Given equations,

$-2 r^{4}+3 r^{3}-20 \text { and } 4 r^{4}-p^{3}+2 r^{2}+7$

Difference of the polynomial is written as

$=-2 r^{4}+3 r^{3}-20-\left(4 r^{4}-p^{3}+2 r^{2}+7\right)$

Open the brackets and multiply with -1 the whole expression $\left(4 r^{4}-p^{3}+2 r^{2}+7\right)$ becomes

$=-2 r^{4}+3 r^{3}-20-4 r^{4}+p^{3}-2 r^{2}-7$

$=-6 r^{4}+4 r^{3}-2 r^{2}-17$

This is the difference of given two polynomials is $-6 r^{4}+4 r^{3}-2 r^{2}-17$ .

4 0

2 years ago

Expand and simplify (6e - 6)(4e + 8).

vesna_86 [32]

Answer:

$24 {e}^{2} + 24e - 48$

3rd answer is correct

Step-by-step explanation:

$(6e - 6)(4e + 8) \\ 6e(4e + 8) - 6(4e + 8) \\ 24 {e}^{2} + 48e - 24e - 48 \\ 24 {e}^{2} + 24e - 48$

Hope this helps you.

Let me know if you have any other questions :-):-)

3 0

2 years ago