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Airida [17]
3 years ago
10

What is 9 x 10-2 as an ordinary number? Give your answer as a decimal.

Mathematics
1 answer:
DochEvi [55]3 years ago
8 0

Answer:

0.09

Step-by-step explanation:

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Is 2.1 greater or less than $1
IrinaVladis [17]

Answer:

less than

Step-by-step explanation:

4 0
3 years ago
Doug entered a canoe race. He rowed 31/2 miles in 1/2 hour. What is his average speed in miles per hour
Cloud [144]
He rowed 31.5 miles in half of an hour, to get speed per hour, you  multiply by two.
31.5*2=63
Doug's average speed is 63 miles per hour~_~
6 0
3 years ago
The complement of an angle is 24º. find the measure of the angle
Nady [450]

Answer:

66

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
the volume of the cone is 25.12cm cubed, and the area of the base is 12.56cm squared.what is the height
Lady bird [3.3K]

Height of the cone having volume as 25.12 \text { cm}^{3} and base area 12.56 \text { cm}^{2} is 6 cm.

Solution:

Given that volume of cone = 25.12 \text{ cm}^{3}

Area of base = 12.56 \text { cm}^{2}

Need to determine height of the cone.

Formula for volume of the cone is as follows

\mathrm{V}_{c}=\frac{1}{3} \pi r^{2}{h} \rightarrow (1)

Area of circular base of cone = A_{b}=\pi r^{2}

Replacing \pi r^{2} \text { by } A_{b} in equation (1), we get

\mathrm{V}_{\mathrm{c}}=\frac{1}{3} \mathrm{A}_{\mathrm{b}} \mathrm{h}

\Rightarrow \frac{3 \mathrm{V} c}{\mathrm{A}_{\mathrm{b}}}=h

\Rightarrow h=\frac{3 \mathrm{v} c}{\mathrm{A}_{\mathrm{b}}} \rightarrow (2)

In our case Volume of cone V_c= 21.12 \text{ cm}^3 and Area of base A_b=12.56 \text { cm}^2

On substituting the values of volume and area in equation 2 we get

h=\frac{3 \times 25.12}{12.56}=6 \text{ cm }

7 0
3 years ago
0.96*7.1 don't Kno know to check for the reasonablesness
Ierofanga [76]

Answer:

6.816. To check for reasonableness, you know that 0.96 is pretty close to 1, so since 6.816 is pretty close to 7.1, you know your answer is reasonable.

Step-by-step explanation:

5 0
3 years ago
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