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Shalnov [3]
3 years ago
12

Subtract (8x – 2) – (5х – 7)

Mathematics
2 answers:
professor190 [17]3 years ago
7 0

Answer: 3x - 9

Step-by-step-explanation: To solve the expression (8x – 2) – (5х – 7) we will be using properties of operations. First, use the commutative and associative properties to move the values next to each other to combine like terms.

(8x – 2) – (5х – 7)

(8x-5x)+(-2-7)

3x-9

So, the subtracted answer is 3x - 9

Vadim26 [7]3 years ago
7 0

Answer:

the answer is 3x+5

Step-by-step explanation: you keep 8x-2 and distribute the negative to 5x-7. which leaves you with 8x-2-5x+7 and then you combine like terms and get 3x+5

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1% of what number is 7,
diamong [38]
A. 1/100 * x = 7
x = 7 * 100/1
x = 700

b. 50/100 * x = 33
x = 33 * 100/50
x = 66

c. 3/100 * 100 = 3

d. x/100 * 200 = 6
2x = 6
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e. 15/100 * 40 = 6
5 0
2 years ago
What is this answer? -1/4-(-3/5)
Anestetic [448]

Answer:

-1/4-(-3/5)=0.35

Step-by-step explanation:

6 0
2 years ago
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SO CONFUSED PLEASE SOMEONE EXPLAIN! DUE SOON AND NEED HELP!!!!!!!! QUESTION IN PICTURE BELOW
jeka57 [31]

Answer:

=> Apply law of cosine

c^2=a^2+b^2-2abcos\left(C\right)

=> input value

z^2=6.5^2 + 9.4^2-\left(6.5\right)\left(9.4\right)\left(cos\left(131\right)\right)

=> simplify

z=\sqrt{\left(6.5^2+\:9.4^2\right)-\left(6.5\right)\left(9.4\right)\left(-0.65605902899\right)}

=> calulcation

z=\sqrt{-61.1\cos \left(131^{\circ \:}\right)+130.61},\:z=-\sqrt{-61.1\cos \left(131^{\circ \:}\right)+130.61}

=> apply rule: Distance must be greater than 0

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4 0
2 years ago
If A = -3n + 2 and B = 5n - 7, what is the value of A - B, in simplest form?
bekas [8.4K]
  • <em>Answer:</em>

<em>- 8n + 9</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>A - B = ( -3n + 2 ) - (5n - 7)</em>

<em>= - 3n + 2 - 5n + 7</em>

<em>= - 8n + 9</em>

<em>Good luck !</em>

6 0
3 years ago
Question 4 of 10
Bond [772]

Answer:

36

Step-by-step explanation:

9x4=36

8 0
2 years ago
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