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viktelen [127]
4 years ago
15

Use the rules for multiplication by powers of 10 to calculate 20 × 100.

Mathematics
1 answer:
jeka57 [31]4 years ago
3 0
B, one hundred twenties is 2000 ones
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Simplify -2.8f+0.9f-12-4
bogdanovich [222]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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Quadrilateral has angles 45 degrees, 150 degrees, 65 degrees, and N degrees
Aleonysh [2.5K]
N=100
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3 years ago
In ΔSTU, s = 50 inches, t = 58 inches and u=27 inches. Find the measure of ∠S to the nearest 10th of a degree.
Mandarinka [93]

Step-by-step explanation:

By Cosine rule, we have

s² = t² + u² - 2(t)(u)(cosS)

=> cosS = (t² + u² - s²)/2tu

=> cosS = (58² + 27² - 50²) / (2 * 58 * 27) = 0.5086.

Therefore S = cos^-1(0.5086) = 59.4° (1d.p.)

4 0
3 years ago
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A map is drawn using a scale of 1 inch : 165 miles. The length of the road on the map is 12 inches. Find the actual length of th
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Answer:

x= 1980 miles

Step-by-step explanation:

1 inch is to 165 miles as 12 inches is to x

1/165=12/x

x=12*(165/1)

x= 1980

7 0
4 years ago
A fabric store has 80 3/8 yards of a particular fabric. About how many pairs of curtains could be made from this fabric if each
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20 because 19 16/33 is the exact answer. Since they ask about how much that can be rounded up to 20
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