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xeze [42]
3 years ago
8

5 7/8 x (2 4/5 ÷ 7) AHH HELP I'M TO STUPID FOR THIS

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
6 0

Convert 5 7/8 to an improper fraction. Use this rule: a b/c = ac + b/c

5 × 8 + 7/8 × 2 4/5 ÷ 7

Simplify 5 × 8 to 40

40 + 7/8 × 2 4/5 ÷ 7

Simplify 40 + 7 to 47

47/8 × 2 4/5 ÷ 7

Convert 2 4/5 to an improper fraction using the same rule from the previous step.

47/8 × 2 × 5 + 4/5 ÷ 7

Simplify 2 × 5 to 10

47/8 × 10 + 4/5 ÷ 7

Simplify 10 + 4 to 14

47/8 × 14/5 ÷ 7

Use this rule: a ÷ b/c = a × c/b

47/8 × 14/5 × 1/7

Proceed to use this rule: a/b × c/d = ac/bd

658/8 × 5 × 7

Simplify 8 × 5 × 7 to 280

658/280

Simplify

47/20

Convert to mixed fraction

2\frac{7}{20}

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Jane draws a line in the coordinate plane that passes through the points (2,3) and (6,9)
timofeeve [1]

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3 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B5%7D%20%20-%207%20%3D%204" id="TexFormula1" title=" \frac{x}{5} - 7 = 4"
Anestetic [448]
Hello! And thank you for your question!

First add 7 to both sides:

x/5 = 4 + 7

Then simplify 4 + 7:

x/5 = 11

After that, multiply both sides by 5

11 x 5 = x

Finally, Simplify 11 * 5:

x = 55

Final Answer:

x = 55
3 0
3 years ago
Evaluate the expression when y = -2<br> -6y
FromTheMoon [43]
The answer would be 3 !
4 0
3 years ago
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Hey guys I need help plz asap
Ilya [14]
Answer:

Explanation:

AB = BC
=> Triangle ABC is an Isosceles Triangle
Thus, Angle C = Angle A
DE = BE
=> Triangle DEB is an Isosceles Triangle
Thus, Angle D = Angle B

Proof that triangle ABC and DEB are similar:

Angle DBE = Angle A (corresponding angle)
Angle BDE = Angle C (Both Triangle are Isosceles, if one pair of the angle are equal then the other pair should also be equal)

=> Triangle ABC ~ Triangle DEB (AA)

Therefore, Angle E = Angle B

Find angle B:

Angle C + Angle A + Angle B = 180
40 + 40 + angle B = 180
Angle B = 180 - 80
Angle B = 100 degree

But Angle B = Angle E = 100 degree

Therefore, Angle E = 100 degree
3 0
3 years ago
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