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2 years ago

Write an algebraic expression to model the unknown number problem.

Mathematics

2 answers:

charle [14.2K]2 years ago

8 0

Answer:

As Boo said in the comments the answer is A, C, D, and E.

Step-by-step explanation:

Vera_Pavlovna [14]2 years ago

4 0

Answer:

A, C, and E

Step-by-step explanation:

Got it right on edge

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6.1 is 90% of what number

n200080 [17]

Step-by-step explanation:

let the unknown number be x

90/100 × x =6.1

× = 6.1 × 100/ 90

x = 610/ 90

x = 6.778

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3 years ago

What is seven fourths of fifth

Kruka [31]

7/4*1/5= 7/20
always remember that in math the word "of" always means you need to multiply.
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3 years ago

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kifflom [539]

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3 years ago

What is the decimal expansion of the fraction 7/9

lys-0071 [83]

0.7777777778
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2 years ago

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What is the midpoint of (-7,-9) (6,3)

Advocard [28]

Answer :

Let the first term of both the terms be $\: \sf \: x _1 \: \: \& \: \: x _2$ and last term be $\: \sf \: y _1 \: \: \& \: \: y_2\\$

Now, by using the mid point formula to find the mid point of the segment -

$\\ \sf \bigg( \frac{x_1 + x_2}{2} , \: \frac{y_1 + y_2}{2} \bigg) \\$

Now, by substituting the values of both x and y -

$\\ \sf \bigg( \frac{ - 7 + 6}{2} , \: \frac{ - 9 + 3}{2} \bigg) \\$

Adding -7 and 6 -

$\\ \sf \bigg( \frac{ - 1}{2} , \frac{ - 9 + 3}{2} \bigg) \\$

Now, move the negative in front of the fraction -

$\\ \sf \bigg( \frac{ - 1}{2} , \frac{ - 6}{2} \bigg) \\ \\ \\ \sf \bigg( \frac{ - 1}{2} , - 3\bigg) \\$

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3 years ago