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kramer
3 years ago
11

(7m-35=5+2m) how do I solve for m???

Mathematics
2 answers:
Slav-nsk [51]3 years ago
4 0
First add 35 to both sides. Second subtract 2m from both sides. Lastly divide both sides by 5.
Elena L [17]3 years ago
3 0
Isolate m using inverse operations, get m by itself. (addition and subtraction, mult. and div.)

7m-35=5+2m\ (subtract\ 2m) \\ 5m-35=5\ (add\ 35) \\ 5m = 40\ (divide\ by\ 40) \\ \boxed{m=8}
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If point (1,0) is on the line whose equation is y = 2x + b what is the value of b ? Give Explanation
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-2

Step-by-step explanation:

The x value is 1, and the y value is 0. Substitute these values into the equation.

y=2x-2

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6 0
3 years ago
Suppose we want to test the claim that less than ½ of Americans are in favor of raising the voting age to 21. Is the hypothesis
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4 0
3 years ago
Jill cuts a piece of cardboard in the shape of a trapezoid.The area of the is 43.5sp cm. If bases are cm and 8.5cm long,what is
boyakko [2]

Answer:

7.25cm

Step-by-step explanation:

Let the complete question be;

<em>Jill cuts a piece of cardboard in the shape of a trapezoid. The area of the is 43.5sp cm. If bases are 3.5cm and 8.5cm long, what is the height.</em>

<em />

Area of a trapezoid = 1/2(a+b)*h

a and b are the parallel sides (bases)

h is the height

Given

a = 3.5cm

b = 8.5cm

A = 43.5 sq.cm

Required

Height h

Substitute the given values into the expression

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8 0
3 years ago
Use SUBSTITUTION to solve the system<br> y=4x<br> 2y-2x=12
olchik [2.2K]
1 Substitute
y
=
2
x
−
10
y=2x−10 into
y
=
4
x
−
8
y=4x−8.
2
x
−
10
=
4
x
−
8
2x−10=4x−8

2 Solve for
x
x in
2
x
−
10
=
4
x
−
8
2x−10=4x−8.
x
=
−
1
x=−1

3 Substitute
x
=
−
1
x=−1 into
y
=
2
x
−
10
y=2x−10.
y
=
−
12
y=−12

4 Therefore,
x
=
−
1
y
=
−
12

​

x=−1
y=−12
​
6 0
3 years ago
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