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GenaCL600 [577]
3 years ago
8

[9 × (10 − 2)] ÷ [2 + (5 × 2)]

Mathematics
1 answer:
Tems11 [23]3 years ago
6 0

Answer: your answer is going to be 6.

Step-by-step explanation:

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The minute hand of a clock is 9 inches long. how far does the tip of the minute hand move in 40 minutes​
GarryVolchara [31]

\text{The minute hand of a clock is 9 inches long.}\\
\text{we need to find the distance traveled by the tip of the minute }\\
\text{hand moved in 40 minutes.}

\text{That is we need to find the length of the arc formed by the minute}\\
\text{hand in 40 minutes. We know that in one complete revolution of the}\\
\text{minute hand there are 60 minutes. so the central angle formed by the }\\
\text{minute hand in 40 minutes is}=\frac{40}{60}*2\pi =\frac{4\pi}{3} \text{ radians}\\
\\
\text{hence using the arc length formula, }s=r\theta, \text{ we get}\\
\\
\text{distance traveled by the tip}=9\times \frac{4\pi}{3}=12\pi\approx 37.7 \text{ inches}

Hence the tip of the minute hand moved approximately 37.7 inches in 40 minutes.

5 0
3 years ago
5. You are making your Halloween costume this year. You have 6 yards of fabric and the pattern says that you need to cut it in t
REY [17]

Answer:

The shorter side piece of fabric = x = 8 feet

The longer side piece of fabrics = (x + 2) = 10 feet

Step-by-step explanation:

Total yards of fabrics = 6 yards

you need to cut it in two pieces where one is two feet longer than the other.

First piece= x feet

Second piece= x+2 feet

Convert 6 yards to feet

6 yards = 18 feet

First piece + second piece = total piece of fabrics

x + (x+2) = 18

x + x + 2 = 18

2x + 2 = 18

2x = 18 - 2

2x = 16

Divide both sides by 2

x = 16 / 2

x = 8 feet

8 feet = 2.66667 yards

x + 2

= 8 + 2

= 10 feet

10 feet = 3.33333 yards

The shorter side piece of fabric = x = 8 feet

The longer side piece of fabrics = (x + 2) = 10 feet

7 0
3 years ago
The table below shows the scores on a science test.
viva [34]

Count the same scores and make a list:

There are two 75's

Three 80's

Two 85's

Two 90's and one 100

Now find the chart that has those same values.

The answer would be B.

3 0
3 years ago
18÷3961528 <br>porfavor me dicen como hacerla
Step2247 [10]
(3*3*2)/(2*2*2*307*1613) (factores primos)
(3*3)/(2*2*307*1613) (simplificar)
9/1980764 (fracción más simple)
0.0000045437 (decimal)

¡Espero que esto ayude!
4 0
3 years ago
Can you solve this i cant please help
True [87]

Answer:

1 2/3m

Step-by-step explanation:

Hope it helps!

4 0
3 years ago
Read 2 more answers
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