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Agata [3.3K]
3 years ago
5

Need help on 4-12 teacher didn't explain and just gave us the homework

Mathematics
1 answer:
Lesechka [4]3 years ago
3 0
I think you would need to multiply all the sides by the number it gave u.
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Use the graph of f(x)=x^2 to find a number δ such that ∣x^2−1∣<0.1 whenever 0<|x−1|<δ.
choli [55]

Answer:

\delta=0.0333

Step-by-step explanation:

|x^2-1}=|x-1||x+1|

|x|-|1|

|x|

|x+1|

Hence

|x-1|

|x-1|

Hopefully you get what I meant!!

8 0
3 years ago
Look at the picture to get the question
Vera_Pavlovna [14]

Answer:

The answer is c, quick math

5 0
3 years ago
Santiago receives an allowance of 7$ every week<br> How much total does he receive after 4 weeks
telo118 [61]
$ 7 dollars a week for 4 weeks...

7 * 4 = $ 28 <==
6 0
3 years ago
Read 2 more answers
gary has just retired, and has 750000 dollars in his retirement account. the account will earn interest at an annual rate of 5 p
ch4aika [34]

The amount of money that Gary can withdraw each month is equal to $4026.18.

<u>Given the following data:</u>

  • Value of each payment, P = 750,000 dollars.
  • Annual percentage interest rate, APR = 5% = 0.05.
  • Time, t = 30 years.

<h3>What is APR?</h3>

APR is an acronym for annual percentage rate and it can be defined as a measure of an amount of money based on a yearly rate of interest, which a borrower must pay on a loan or credit card.

This ultimately implies that, the annual percentage rate (APR) would be calculated by dividing the rate of interest by twelve (12).

Rate of interest, r = APR/12

Rate of interest, r = 0.05/12

Rate of interest, r = 0.0041667

Next, we would calculate the present value of this ordinary annuity by using this formula:

Present value, PV = [P ÷ [1 - (1 + r)^{-nt}]/r]

Substituting the given parameters into the formula, we have;

Present value = [750,000 ÷ [(1 - (1 + 0.0041667)^{-30 × 12})/0.0041667]

Present value = [750,000 ÷ [(1 - (1.0041667)^{-360})/0.0041667]

Present value = [750,000 ÷ [(1 - 0.2238239)/0.0041667]

Present value = [750,000 ÷ [0.7761761/0.0041667]

Present value = 750,000 ÷ 186.280773754

Present value, PV = $4026.18.

Read more on present value on annuity here: brainly.com/question/13373662

#SPJ1

7 0
1 year ago
Charlene paid $1540.77 (including sales tax) for a microscope. The sales tax in her state is 7%.
BARSIC [14]

Answer:

1,439.97

Step-by-step explanation:

Price x 1.07 = price including sales tax

price x 1.07=1540.77

price=1540.77/1.07

price= 1439.97

3 0
3 years ago
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