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Mekhanik [1.2K]
3 years ago
12

20 POINTS AND I WILL MARK YOU BRAINISET!!!!! PLEASE COMPLETE ASAP!!

Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
5 0

Answer:

D) The same as

Step-by-step explanation:

both 4x and 2x have x at the end

x equals x

Mars2501 [29]3 years ago
5 0

Answer:

D.same as  cause both the 4 and the 2 have x and x do equal x

Step-by-step explanation:

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What is 25+120-10x=10x-35=
Alexandra [31]
145-10x=10x-35

Add 35 to both sides.

175-10x=10x

Add 10x to both sides.

175=20x

Divide both sides by 20

8.75=x


6 0
3 years ago
Five more than four times a number
Tasya [4]

Answer: 4x +5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Prove algebraically that 0.5 recurring = 5/9
weeeeeb [17]

Answer:

see explanation

Step-by-step explanation:

We require 2 equations with the recurring part after the decimal point.

Let x = 0.555..... → (1)

Multiply both sides by 10, then

10x = 5.555..... → (2)

Subtract (1) from (2) thus eliminating the recurring decimal

(10x - x) = (5.5555 - 0.5555 ), that is

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x = \frac{5}{9}

5 0
3 years ago
Find the equivalent percent for ¾
Arlecino [84]

3/4 is equivalent to 75%.

To find the percentage of a fraction, you simply just divide the numerator by the denominator. 3/4=0.75, which is 75%.

8 0
3 years ago
Read 2 more answers
1. Mark and Bill have a combined weight of 170
qwelly [4]
<h3>Equation : x + y = 170 and y = 2x - 40</h3><h3>The weight of Bill is 70 pounds and weight of mark is 100 pounds</h3>

<em><u>Solution:</u></em>

Let the weight of Bill be "x"

Let the weight of mark be "y"

Given that,

Mark and Bill have a combined weight of 170  pounds

Therefore,

x + y = 170 ------- eqn 1

Mark weighs 40 pounds less than twice Bill's  weight

y = 2x - 40 ------- eqn 2

<em><u>Substitute eqn 2 in eqn 1</u></em>

x + 2x - 40 = 170

3x = 170 + 40

3x = 210

x = 70

<em><u>Substitute x = 70 in eqn 2</u></em>

y = 2(70) - 40

y = 140 - 40

y = 100

Thus weight of Bill is 70 pounds and weight of mark is 100 pounds

6 0
3 years ago
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