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Thepotemich [5.8K]
3 years ago
8

-7=?-(-2) answer for problem

Mathematics
1 answer:
Neko [114]3 years ago
3 0
The answer to this question is 9
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If you multiply 2 xr you will get the *<br> -radius<br> -circumference<br> -diameter<br> -area
Komok [63]

Answer:

Diameter

Step-by-step explanation:

Variable r stands for radius.

The radius is half of the length within the circle from the two farthest points.

Multiplying this radius will get you the diameter, which is the full length (instead of half) within the circle from the two farthest points.

6 0
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Write the number in expanded 280.34
BARSIC [14]

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200+80+4+0.3+0.04

Step-by-step explanation:

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2 years ago
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Solve each triangle. Round your answers to the nearest tenth.<br> m∠A = 60°, m∠B = 30°, c = 30 cm
Svetach [21]

Answer:

mb = 30

Step-by-step explanation:

i got it from me school

8 0
2 years ago
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I need help with my math!
pantera1 [17]

Answer:

there are a total of 20 boys and 30 girls in the choir of 50 students

Step-by-step explanation:

Scale the ratio 2:3. so that the numbers on either side sum to 50 . 2+3=5 , and 50÷5=10 , so we scale our ratio by a factor of 10 . So there are a total of 20 boys and 30 girls in the choir of 50 students

3 0
3 years ago
When asked to write a point slope equation for a line passing through the points (-4,-7) and (3,2) a student wrote y-2=-9/7(x-3)
AleksAgata [21]
First let's find the slope
Slope formula: 
\frac{y_2-y_1}{x_2-x_1} =slope
Given the two coordinates: 
(-4,-7) (3,2) 
 x1,y1  x2,y2

Plug these numbers into the formula
\frac{2-(-7)}{3-(-4)} = \frac{9}{7}
In this case the mistake that was made was that the student wrote the slope negative instead of positive
Final answer: 
<span>y-2=9/7(x-3)</span>
8 0
3 years ago
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