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kondaur [170]
3 years ago
7

How do you do this? Its very hard and my brain wont work

Mathematics
2 answers:
SIZIF [17.4K]3 years ago
8 0
169.65! :) good luck!
tatiyna3 years ago
6 0

Answer:

169.65

hope this helps

have a good day :)

Step-by-step explanation:

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Help please! really appreciate it
arlik [135]

Answer:

x=26

Step-by-step explanation:

exterior angles theorem meaning they're equal to each other.

5x+7=8x-71

add 71 to 7

5x+78=8x

subtract 5x from 8x

78=3x

divide 78 and 3

x=26

to check your work plug 26 into each equation:

5(26)+7= 137°

8(26)-71= 137°

because they're the same you know that x must equal 26

hope this helps!❤

4 0
4 years ago
Lunch costs $6.90. How much change will<br> Hector get from $20.00?
balandron [24]

Answer: 22

Step-by-step explanation:

5 0
2 years ago
write the slope- intercep form of the equation of the line through tje given point perpendicular to tje the given line. (point):
Sergeeva-Olga [200]
Perpendicular lines have gradients that multiply to give -1 
So, the gradient of the line we need is -1/0.2 = -5
If we have the gradient and a point in the line, we can work out the equation using the formula:
y - y1 = m(x - x1)
where m = gradient, y1 = y-coordinate and x1 = x-coordinate of the same point
So, we substitute in our values, and we get:
y - -8 = -5(x - -7)
y+8 = -5x-35
y = -5x-43

Hope I helped! xx

3 0
3 years ago
Write two inequalities to compare -7 and -4
gizmo_the_mogwai [7]

1. -7<-4

2. -4>-7

Step-by-step explanation:

-4 is greater than -7, because -4 is a small negative number, and is closer to 0.

3 0
3 years ago
The isosceles triangle is a scale drawing of a flag.
Zolol [24]

Answer:

Scale factor = \frac{1}{2}

Step-by-step explanation:

Perimeter of the actual flag = 22 in.

Perimeter of the scale drawing of the flag = 11 in.

Since, perimeter of a triangle = Sum of all three sides of the given triangle

Therefore, scale factor of the drawing

= \frac{\text{Measure of the side of drawing}}{\text{Measure of the side of actual}} = \frac{\text{Perimeter of drawing}}{\text{Perimeter of actual}}

= \frac{11}{22}

= \frac{1}{2}

Therefore, scale factor of the drawing will be \frac{1}{2}.                                        

Each side of the scaled triangle will be half of the actual triangle.

6 0
4 years ago
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