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kifflom [539]
3 years ago
13

Find the circumference and the area of a circle with diameter

Mathematics
1 answer:
lesya [120]3 years ago
5 0
<span>Find the circumference and the area of a circle with diameter 
6yd
.
Use the value 
3.14
for 
π
, and do not round your answers.</span>




6 times 3.14 = 18.84
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John is constructing a triangle with two sides 5cm and 7 cm and the included angle is 70°. First, John draws a 5cm segment on hi
Damm [24]

Answer:

  John should use a protractor to measure an angle of 70°.

Step-by-step explanation:

70° is an angle for which there is no construction procedure.

Angles of measures 15°, 18°, 30°, 36°, and 45° can be constructed, along with their supplements, complements, and values multiplied by any positive integer or divided by any power of 2. Of course, the sums and differences of any of these angles can be constructed. (The more steps in the construction, the greater the loss of accuracy.)

Because there is no construction procedure for an angle of 70°, John must create the angle using a measuring tool. A protractor is the tool of choice.

John should use a protractor to measure an angle of 70° relative to one end of his 5 cm baseline.

_____

<em>Comment on John's technique</em>

It is likely John would create a more accurate representation of the desired triangle by drawing the 7 cm segment first. This would give a longer baseline for use with the protractor, and would mean the length through the point marked using the protractor would not have to be extrapolated as far.

3 0
3 years ago
- 2 = x + 4 help me plsss
Elza [17]

Answer:

x = -6

Step-by-step explanation:

Step 1: Write out equation

-2 = x + 4

Step 2: Subtract 4 on both sides

-2 - 4 = x + 4 - 4

-6 = x

Step 3: Rewrite

x = -6

7 0
3 years ago
Latoya runs 12 miles in 75 minutes. how many miles does she run per minute?
Burka [1]

12 ÷ 75 = 0.16.

So she runs 0.16 miles per minute.

Hope it helps!

5 0
3 years ago
An astronaut who weighs 85 kilograms on earth weighs 14.2 kilograms on the moon. How much would a person weigh on the moon if th
STatiana [176]

Answer:

Weight on the moon=x=15.87 kilograms

Step-by-step explanation:

This can be expressed as;

Weight on earth=Constant×Weight on moon

where;

Weight on moon=14.2 kilograms

Constant=k

Weight on Earth=85 kilograms

Replacing in the expression above;

85=14.2×k

k=(85/14.2)=5.986

If the person weighs 95 kilograms on Earth;

Weight on the earth=Constant×Weight on moon

where;

Weight on the moon=x

Constant=5.986

Weight on the earth=95 kilograms

Replacing;

95=5.986×x

x=95/5.986=15.87

Weight on the moon=x=15.87 kilograms

4 0
3 years ago
60% of what number is equal to 30?<br> A) 0.5 B) 2 C) 18 D) 50
Arada [10]

Answer:

D. 50

Step-by-step explanation:

50/1 (60/100) =

3000/100 =

30/1 =

30

7 0
3 years ago
Read 2 more answers
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