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3 years ago

If there are 68.8 letters to be mailed if 3 children have to mail them how much does each person have to mail?

Mathematics

1 answer:

irakobra [83]3 years ago

7 0

Each kid will have to mail about 22 letters.

68.8 divided by 3 = 22.93

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What is this? Someone please help me

Reil [10]

Answer and Step-by-step explanation:

Haven't done this in a while, so here we go:

The rule (I'm not really sure) would have to be negative number and negative number.

This means that:

(4, 0) would become (-4, 0) A'

(6, -2) becomes (-6, 2) B'

(8, -7) becomes (-8, 7) C'

and (0, -5) becomes (0, 5) D'

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3 years ago

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Gre4nikov [31]

Answer:

number 2 is 20 percent so j

Step-by-step explanation:

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3 years ago

What was the interest rate if your balance on an investment of $857 at the end of six years is $1268.36

Pavel [41]

Answer:

The rate of interest is 9.5092%

Step-by-step explanation:

Given as :

The investment amount = p = $857

The Amount after 6 years = A = $1268.36

The time period = t = 6 years

Let The rate of interest = r%

<u>Now, From Compound Interest method </u>

Amount = Principle × $(1+\dfrac{\textrm rate}{100})^{\textrm time}$

Or, A = p × $(1+\dfrac{\textrm r}{100})^{\textrm t}$

Or, $1268.36 = $857 × $(1+\dfrac{\textrm r}{100})^{\textrm 6}$

Or, $\dfrac{1268.36}{857}$ = $(1+\dfrac{\textrm r}{100})^{\textrm 6}$

Or, 1.48 = $(1+\dfrac{\textrm r}{100})^{\textrm 6}$

Taking power $\dfrac{1}{6}$ both side

So, $1.48^{\frac{1}{6}}$ = $((1+\dfrac{r}{100})^{6})^{\frac{1}{6}}$

Or, 10.5092 = 1 + $\dfrac{r}{100}$

Or, 10.5092 - 1 = $\dfrac{r}{100}$

Or, 9.5092 = $\dfrac{r}{100}$

∴ r % = 9.5092

So , The rate of interest = r = 9.5092 %

Hence, The rate of interest is 9.5092% Answer

5 0

4 years ago

Consider the line =−2x7y−1. Find the equation of the line that is parallel to this line and passes through the point −−4, 2.

skelet666 [1.2K]

Answer:

We have: 2x+7y=−1

Let’s express this equation in terms of y:

⇒y=−27x−17

⇒ Gradient =−27

Parallel lines always have the same gradient:

⇒ Gradient of parallel lines =−27

Perpendicular lines have the negative reciprocal of the gradient:

⇒ Gradient of perpendicular lines =72

Step-by-step explanation:hope it helps

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1 year ago

If f(x)= 2x + 7, find f^-1(x). Please do not add any space between characters in your answer. For example: (3x-2)/5

scoundrel [369]

Answer:

f−1(x)=x/2−7/2

Step-by-step explanation:

5 0

3 years ago