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ycow [4]
3 years ago
7

Which expression is equivalent to 3x – 5?

Mathematics
1 answer:
Dvinal [7]3 years ago
5 0

Answer:

2x – 4 – 1 + x

Step-by-step explanation:

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It would be
(X + 3) times 3
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Which of the following points lies on the line y=x?​<br>(-4,4)<br>(2,-2)<br>(-4,-4)<br>-2,2
marshall27 [118]
The answer is (-4,-4) because y has to equal x, the first -4 is the x and the second one is the y
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Math Help? 20 Points
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3 years ago
Which expressions are equivalent to 10a - 25 + 5b
sergey [27]

Answer:

<h2>(2a − 5 + b) · 5</h2><h2>10×(a − 2.5 + 0.5b)</h2><h2>(−2a + 5 − b) ⋅ (−5)</h2>

Step-by-step explanation:

10a-25+5b\\\\-2(-5a-25+5b)=(-2)(-5a)+(-2)(-25)+(-2)(5b)\\=10a+50-10b\qquad NOT\\\\(2a-5+b)(5)=(2a)(5)+(-5)(5)+(b)(5)=10a-25+5b\qquad YES\\\\10(a-2.5+0.5b)=(10)(a)+(10)(-2.5)+(10)(0.5b)\\=10a-25+5b\qquad YES\\\\(-2a+5-b)(-5)=(-2a)(-5)+(5)(-5)+(-b)(-5)\\=10a-25+5b\qquad YES\\\\-10(-a-2.5-0.5b)=(-10)(-a)+(-10)(-2.5)+(-10)(-0.5b)\\=10a+25+5b\qquad NOT

5 0
3 years ago
Use the slope-intercept form equation for the line of fit, estimate the number of students who will be in the math club during t
stich3 [128]

Answer: It's 74

Step-by-step explanation: I just took the test, i hope it helps you guys.

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