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3 years ago

What divided by 6 equals 7 Please help

Mathematics

2 answers:

BartSMP [9]3 years ago

8 0

Answer:

The answer is 42

Step-by-step explanation:

42 divided by 6 equals 7.

Olegator [25]3 years ago

7 0

Answer:

Step-by-step explanation:

6*7 = 42

42/6 = 7

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Two certificates of deposit pay interest that differ by 3%. Money invested for one year in the first CD earns $240 interest. The

Soloha48 [4]

a = interest rate of first CD

b = interest rate of second CD

and again, let's say the principal invested in each is $X.

$\bf a-b=3\qquad \implies \qquad \boxed{b}=3+a~\hfill \begin{cases} \left( \frac{a}{100} \right)X=240\\\\ \left( \frac{b}{100} \right)X=360 \end{cases} \\\\[-0.35em] ~\dotfill\\\\ \left( \cfrac{a}{100} \right)X=240\implies X=\cfrac{240}{~~\frac{a}{100}~~}\implies X=\cfrac{24000}{a} \\\\\\ \left( \cfrac{b}{100} \right)X=360\implies X=\cfrac{360}{~~\frac{b}{100}~~}\implies X=\cfrac{36000}{b} \\\\[-0.35em] ~\dotfill\\\\$

$\bf X=X\qquad thus\qquad \implies \cfrac{24000}{a}=\cfrac{36000}{b}\implies \cfrac{24000}{a}=\cfrac{36000}{\boxed{3+a}} \\\\\\ (3+a)24000=36000a\implies \cfrac{3+a}{a}=\cfrac{36000}{24000}\implies \cfrac{3-a}{a}=\cfrac{3}{2} \\\\\\ 6-2a=3a\implies 6=5a\implies \cfrac{6}{5}=a\implies 1\frac{1}{5}=a\implies \blacktriangleright 1.2 = x\blacktriangleleft$

$\bf \stackrel{\textit{since we know that}}{b=3+a}\implies b=3+\cfrac{6}{5}\implies b=\cfrac{21}{5}\implies b=4\frac{1}{5}\implies \blacktriangleright b=4.2 \blacktriangleleft$

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3 years ago

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3 years ago

Find the measure of a 6.<br> 102<br> 78<br> 46 = [?]

Rom4ik [11]

Answer:

102°

Step-by-step explanation:

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2 years ago

* 70% had the cold lunch prepared by Mr. Femi

MissTica

Answer:

Step-by-step explanation i dont know what it is cuz im not in ur class

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2 years ago

How can you tell if the expression 7x-4 and 6x-4-x are equivalent

olga_2 [115]

Answer:

see below

Step-by-step explanation:

7x-4 6x-4-x

Combine like terms on the second expression

7x -4 6x -x -4

5x -4

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7x -4 does not equal 5x-4

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2 years ago