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tigry1 [53]
2 years ago
11

If triangle ABD is similar to Triangle EFG, find BC and FH

Mathematics
1 answer:
Liula [17]2 years ago
7 0

Answer:

B. BC=12, FH=9

Step-by-step explanation:

I guessed and it was right

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Find the slope of the line through the pair of points: (5, 20) and (4, -17)
aliya0001 [1]

Answer:

m (slope) = 37

Step-by-step explanation:

use the slope-line formula, y2 - y1/x2 - x1

put in coordinates (5, 20) for x1 and y1

put in coordinates (4, -17) for x2 and y2

simplify

8 0
3 years ago
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Evaluate the expression when a= 4 and b= -7. <br> -9a+b
Helen [10]

Answer:

-43

Step-by-step explanation:

So first things first you will multiply -9 by 4 and that gives you -36, Next you will add -7 to -36 which gives you -43.

-9(4)+(-7)\\-36+(-7)  \\= -43

Hope this helps :D

4 0
3 years ago
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Write an equation of the line that passes through (2, -3) and is perpendicular to the line y=-2x-3
Natalija [7]

Answer:

y=\frac{1}{2} (x-2)-3 or y=\frac{1}{2} x-4

Step-by-step explanation:

The perpendicular slope is the opposite-reciprocal of the original slope:

Perpendicular slope of -2 is \frac{1}{2}

Write the equation in point-slope form (y=a(x-h)+k):

y=\frac{1}{2} (x-2)-3

Convert to slope-intercept form if needed:

y=\frac{1}{2} x-1-3

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8 0
3 years ago
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Solve the equation 3 (x+ 4.5) = 36 one step at a time. Use the diagram to help you
Ksivusya [100]

Answer:

=7.5

Step-by-step explanation:

5 0
2 years ago
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svp [43]

Answer:

Xs=30cm and As=900 cm^{2}

Step-by-step explanation:

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(x+120)x=4500, x^{2} +120x-4500=0 Applying cuadratic equation formula:\frac{120+-\sqrt{120^{2} -4.1.-4500} }{2} =-\frac{120+-\sqrt{14400+18000} }{2}= x1=30 and x2=-150, finally Xs=30cm, and As=900cm^{2}

3 0
3 years ago
Read 2 more answers
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