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Oxana [17]
3 years ago
15

Pleaseeeeee answerrrrrrrrrrrr

Mathematics
1 answer:
grandymaker [24]3 years ago
3 0
The answer is b
Its b because you distributed
4(4a+5)
You multiplied 4x4a and you got
16a+4(5)
Which 4x5 is 20
So its 16a+20
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7) Simplify (5^10 x 7^14)^10 A. 5^20 x 7^24 B. 5^100 x 7^24 C. 5^100 x 7^140 D. 5^20 x 7^140
olga2289 [7]
(5^10 * 7^14)^10 =

5^(10 * 10) * 7^(14 * 10) =

5^100 * 7^140....its C....because ur multiplying the exponents


4 0
3 years ago
Read 2 more answers
4m^(3)+10m^(2)-84m<br><br> Solve by factoring.
olga2289 [7]
Three solutions:
x=0
x=7/2
x=-6
8 0
2 years ago
State name for shape/ figure
o-na [289]

that shape/figure is a square.

4 0
3 years ago
Please show your work and I will make you brainliest ​
klio [65]

Answer:

17. y=1/2x+5

18. y=-2x+15

19. y=2x-7

Step-by-step explanation:

Number 17.

(4,7); parallel to y=1/2x-1

You know that lines that are parallel to each other have the same slope, so the slope is 1/2x.

1. Use the point-slope formula to solve for the slope-intercept equation.

y-y1=m(x-x1)

m= 1/2

x= 4

y= 7

y-7= 1/2(x-4)

y-7= 1/2x-2

y=1/2x+5

Number 18.

(4,7); perpendicular to y=1/2x-1

You know that lines that are perpendicular to each other have the opposite reciprocal slope, so the slope is -2.

1. Use the point-slope formula to solve for the slope-intercept equation.

y-y1=m(x-x1)

m= -2

x= 4

y= 7

y-7=-2(x-4)

y-7=-2x+8

y=-2x+15

Number 19.

f(3)=-1

f(4)=1

To write a linear equation, first find the slope with the slope formula.

x1= 3

y1= -1

x2= 4

y2=1

(y2-y1)/(x2-x1)

(1-(-1))/(4-3)

2/1

m=2

Use the point-slope formula and solve for the slope-intercept equation.

y-y1=m(x-x1)

y-1=2(x-4)

y-1=2x-8

y=2x-7

6 0
3 years ago
Find the value of Q in the following system so that the solution to the system
professor190 [17]
Q=4

If not then I guess I’m just not smart
6 0
3 years ago
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