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3 years ago

Please Helppp!!! Will give brainly if correct! 50 points

Mathematics

2 answers:

gulaghasi [49]3 years ago

8 0

The answer to this question is C. Multiply A by 3 and B by 2

ki77a [65]3 years ago

4 0

C, multiply A by 3 and B by 2.

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Aiden wants to ensure he has enough cash to purchase

VLD [36.1K]

Answer:

Approximately 18%

Step-by-step explanation:

1. Subtract the cost with tax by the cost without tax.

40-34=6

2. Create a proportion:

$\frac{6}{34}$ = $\frac{x}{100}$

3. Cross Mutliply to get:

34x=600

4. Divide 34 by both sides to get

x=17.64...

The sales tax is approximately 18%

7 0

2 years ago

Which of the following numbers are inside A?

fgiga [73]

Is there a picture to go with this?

8 0

3 years ago

Simplify: [5×(25)^n+1 - 25 × (5)^2n]/[5×(5)^2n+3 - (25)^n+1]

blagie [28]

$\green{\large\underline{\sf{Solution-}}}$

<u>Given expression is </u>

$\rm :\longmapsto\:\dfrac{5 \times {25}^{n + 1} - 25 \times {5}^{2n} }{5 \times {5}^{2n + 3} - {25}^{n + 1} }$

can be rewritten as

$\rm \: = \: \dfrac{5 \times { {(5}^{2} )}^{n + 1} - {5}^{2} \times {5}^{2n} }{5 \times {5}^{2n + 3} - {( {5}^{2} )}^{n + 1} }$

We know,

$\purple{\rm :\longmapsto\:\boxed{\tt{ {( {x}^{m} )}^{n} \: = \: {x}^{mn}}}} \\$

And

$\purple{\rm :\longmapsto\:\boxed{\tt{ \: \: {x}^{m} \times {x}^{n} = {x}^{m + n} \: }}} \\$

So, using this identity, we

$\rm \: = \: \dfrac{5 \times {5}^{2n + 2} - {5}^{2n + 2} }{{5}^{2n + 3 + 1} - {5}^{2n + 2} }$

$\rm \: = \: \dfrac{{5}^{2n + 2 + 1} - {5}^{2n + 2} }{{5}^{2n + 4} - {5}^{2n + 2} }$

can be further rewritten as

$\rm \: = \: \dfrac{{5}^{2n + 2 + 1} - {5}^{2n + 2} }{{5}^{2n + 2 + 2} - {5}^{2n + 2} }$

$\rm \: = \: \dfrac{ {5}^{2n + 2} (5 - 1)}{ {5}^{2n + 2} ( {5}^{2} - 1)}$

$\rm \: = \: \dfrac{4}{25 - 1}$

$\rm \: = \: \dfrac{4}{24}$

$\rm \: = \: \dfrac{1}{6}$

<u>Hence, </u>

$\rm :\longmapsto\:\boxed{\tt{ \dfrac{5 \times {25}^{n + 1} - 25 \times {5}^{2n} }{5 \times {5}^{2n + 3} - {25}^{n + 1} } = \frac{1}{6} }}$

3 0

2 years ago

A government bureau keeps track of the number of adoptions in each region. The accompanying histograms show the distribution of

Sergeu [11.5K]

Answer:

A better option to express the results will be a cumulative frequency curve.

Step-by-step explanation:

At the moment, the moment, the question does not have a histogram, so we will explain the advantages of a frequency distribution curve or polygon.

The Cumulative Frequency Curve allows data to be interpreted continuously. The cumulative frequency prevents "gaps" that are found in the histograms. For instance, a histogram does not provide a frequency distribution of a certain type of data. In addition, the curves clarify better the trends in the data set. Furthermore, large data can be compressed and summarized in a compact form by using the distribution in the data set.

4 0

3 years ago

What do you add to 3 1/7 to make 7

Lerok [7]

Answer:

3 and 6/7

Step-by-step explanation:

7 - 22/7

5 0

3 years ago

Read 2 more answers