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Hoochie [10]
3 years ago
12

What is the area of this triangle?​

Mathematics
2 answers:
Reptile [31]3 years ago
5 0
The answer is b x h/2
9x12=108/2=54
zheka24 [161]3 years ago
3 0

Answer:

54

Step-by-step explanation:

A=\frac{1}{2}bh \\A=\frac{1}{2}*12*9\\A= 54

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Find the equation of a line perpendicular to -4x+y=10 that passes through the point (-4,9)
Oliga [24]

Answer:

y=-1/4x+8

Step-by-step explanation:

To find the equation of a line that is perpendicular to a line, you would take the opposite reciprocal of the slope.

Before that, we need to change the equation into slope-intercept form.

-4x+y=10

y=4x+10

The opposite reciprocal of the slope is -1/4.

Now, let's use the point-slope formula to find our equation of the line that passes through (-4,9).

y-y1=m(x-x1)

y-9=-1/4(x-(-4))

y-9=-1/4x-1

y=-1/4x+8

4 0
3 years ago
8. Solve for x.<br> 28°<br> X
Lerok [7]

Answer:

if X is the angle degree like I think it is, then X = 56 degrees

Step-by-step explanation:

isosceles triangles will have 2 equal base angles.

90 degree angle - 28 = 62°

62 is now each base angle.

62 times 2 angles equals 124

the final angle, x, is 180 - 124 = 56°

8 0
2 years ago
16.
Pachacha [2.7K]

Answer:

D

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Is 8/10 equivalent to 4/5
nordsb [41]
Yes  8/10 is equivalent to 4/5 or 16/20 ...
6 0
3 years ago
Read 2 more answers
I don’t understand this, can someone help me?
eimsori [14]
Substitute all x in the equation to 1.6
∴6-4(1.6)=-1.6/4
∴-0.4=-0.4
∴Yes
8 0
3 years ago
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