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Alexxx [7]
3 years ago
5

Use the Distributive Property to expand (−2x−7)4 .i need help

Mathematics
2 answers:
Yuri [45]3 years ago
4 0

Answer:

-8x-28

Multiply all of the terms by 4, and you have your answer!

Novosadov [1.4K]3 years ago
4 0

Answer: -8x - 28

Step-by-step explanation:

Multiply the number outside the parentheses by each number inside the parentheses - distributive property

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4, 4, 5, 5, 5, 6, 8, 9, 12, 12, 14, 15, 16, 16 4,4,5,5,5,6,8,9,12,12,14,15,16,16 min: q1: med: q3: max:
Setler [38]
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2 years ago
A line passes through the points (-4,1) and (-3,3). This line can be modeled by the equation y = mx + b.
docker41 [41]

Answer:

m= 2

b=9

Step-by-step explanation:

-4, 1 -3,3

put it into y2-x2 divided by y1-x1

y2= 3

x2= 1

y1= -3

x1=-4

3-1 divided by -4--3= 2/1    =2x

get one of the points either -4,1 or -3,3

If you use -4,1    -4=x 1=y

put it into y=mx+b and you get 1= -4(2)+b    simplify

1=-8+b add 8 to other side b=9

7 0
3 years ago
which is the equation of a line that passes through the point (8, 2) and is perpendicular to the line y = -1/4x + 2? A y = -1/4x
Ymorist [56]

Answer: C

Step-by-step explanation:

If a line is perpen to another line, then the other line has the opposite reciprocal of the slope.

y=-(1/4)x+2

slope of the other equation is +4

oly answer with positive slope is C

4 0
3 years ago
Una rampa para descargar mercancía mide 2m. Si la distancia a la que se coloca la rampa es igual a la altura, ¿qué altura alcanz
Dafna1 [17]

Answer:

~14.14m.

espero que esto ayude :)

5 0
4 years ago
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andre [41]
13.) A=9cm^2
If the area is l•h, and there are 9 cubic squares, that means that the length of each side on the square is 3cm, each square on it equals 1cm.
14.) V=27cm^3
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15.) V=4,913cm^3
If volume is l•w•h, then what number when raised to the third power equals 4913? The answer is 17, since 17•17=289•17=4913. So the length is 17cm
16.)V=216cm^3
If volume is l•w•h, then what number when raised to the third power equals 216? The answer is 6, since 6•6=36•6=216.
17.)A=121
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18.)A=141
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3 0
3 years ago
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