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blondinia [14]
3 years ago
11

Pleasee help me guyss .

Mathematics
2 answers:
Setler79 [48]3 years ago
3 0

Answer:

24%

Step-by-step explanation:

25 - 19 = 6

25 = 100%

2.5 = 10%

1.25 = 5%

0.25 = 1%

5 = 20%

1 = 4%

6 = 24%

Hope this helps :)

natali 33 [55]3 years ago
3 0

Answer:

24% Decrease

Step-by-step explanation:

Start by looking at the formula for percent change.

\frac{(V^{2} -V^{1})}{V^{1} } x 100 = ?

Plug in the numbers, V1 being 25 and V2 being 19.

\frac{19-25}{25} x 100 = ?

19 - 25 = -6

Put -6 as the new numerator.

\frac{-6}{25} x 100 = ?

Divide and get the decimal version of the fraction.

-0.24 x 100 = ?

Multiply and get your final answer of 24% decrease.

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Mary removed the dollar sign from (X.)

We know this because $4.00x$5.00=$20.00 so that’s correct and we know that $12.50x $4.00=$50.00. So, our only error here is that there is no dollar sign in our (X) numbers. So that is Mary’s mistake. We can correct it by simply adding a dollar sign to 20 to make $20.00 and adding another dollar sign to 50 to make $50.00

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Simplify this expression 16+28÷2-6/10-4*2
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5 0
3 years ago
Read 2 more answers
3. March deposited money into an account in which interest is compounded quarterly at a rate of 3.3%. How much did he deposit if
aksik [14]

Answer:

$4125.

Step-by-step explanation:

When solving for the principal we still need to use the formula A = P(1+\dfrac{r}{n})^{nt}.

Let's take all the variables that we do have available and list them out.

A = $4369.20

r = 3.3% or 0.033

n = 4 (Quarterly)

t = 21 months or 1.75 years

Now we can substitute the values and solve for the principal.

A=P(1+\dfrac{r}{n})^{nt}

4369.20=P(1+\dfrac{0.033}{4})^{4(1.75)}

4369.20=P(1+0.00825)^{7}

4369.20=P(1.00825)^{7}

4369.20=P(1.05919912849)

Now we need to divide both sides with 1.05919912849  to get the principal.

\dfrac{4369.20}{1.05919912849}=\dfrac{P(1.05919912849)}{1.05919912849}

P = 4125.00339406 or $4125.

To check for our answer, we can simply substitute the values including the principal and excluding the total.

A=P(1+\dfrac{r}{n})^{nt}

A=4125(1+\dfrac{0.033}{4})^{4(1.75)}

A=4125(1+0.00825)^{7}

A=4125(1.00825)^{7}

A=4125(1.05919912849)

A=4369.19640502 or 4369.20

5 0
3 years ago
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