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Anika [276]
3 years ago
5

Identify the property used in each step of solving the inequality 7x+4 <46.

Mathematics
1 answer:
ELEN [110]3 years ago
3 0

Answer:

2.Addition Property

3.Multiplication Property

Step-by-step explanation:

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Solve each equation.<br> 7) 18 =-2+a<br> 8) -7= m - 12<br> 9) -8(7 + 7n)=-336<br> 10) -140=-7(-4+36)
lesya692 [45]

Answer:

7) a= 20

8) m= 5

9)n = 5

10) b = 8

Step-by-step explanation:

7) 18+2=-2+2+a

>> 20 = a >> a = 20

18 + 2 = 20 so that isolates the variable leaving a = 20

8) -7+12 = m -12+12

>>> 5 = m >> m = 5

-7 + 12 = 5 so that again isolates the variable leaving m = 5

9) <u>-8(7</u> + <u>7n</u>) = -336

>> -56+56 + -56n = -336+56

>>> -56n/-56 = -280/-56

>>>> n = 5

use distributive property, cancel out necessary numbers, isolate the variable. leaving n = 5.

10) -140 = <u>-7(-4 </u>+ <u>3b)</u>

>>  -140 = 28 - 21b >> -140-28 = -21b +28-28 ( flipped the numbers)

>>>  -168/-21 = -21b /-21

>>>> 8 = b >> b =8

Hope it helps!

5 0
3 years ago
Dillon is going to randomly pick a domino from a pile of dominoes that are all facing downward. Of the dominos
Zina [86]

Try out 64?? Sorry if the answer is incorrect.... I will try to reccommend your question to other people. :)

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3 years ago
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A square has an area of 160 square feet. What is the length of one side of the square, in feet?​
WINSTONCH [101]

Answer:

40

Step-by-step explanation:

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3 years ago
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Which of the following is the correct factorization of the trinomial below? -7x^2-5x+18
ryzh [129]

Answer: C. (-7x+9)(x-2)

Step-by-step explanation:

1. Factor out the negative sign.

−(7x^2+5x−18)

2. Split the second term in 7x2+5x−18 into two terms.

−(7x^​2​​+14x−9x−18)

3, Factor out common terms in the first two terms, then in the last two terms.

−(7x(x+2)−9(x+2))

4.  Factor out the common term x+2x+2x+2.

−(x+2)(7x−9) or (-7x+9)(x-2)

8 0
3 years ago
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The equation y+6=1/3(x-9) is written in point-slope form. What is the equation written in slope-intercept form?
Margaret [11]

y+6=1/3(x-9)

Moved all terms from left to right that doesn't contain y

Y=-6 +1/3x-3

Simplify

Y=1/3x-9


Your answer is c.

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