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3 years ago

4 times 1/3 (fraction form) will give brainlest

Mathematics

1 answer:

Dahasolnce [82]3 years ago

4 0

Answer:

4/3

Step-by-step explanation:

I used a site and my calculator

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Answer with explanation.please.

Free_Kalibri [48]

The radius of the base is 10 cm.

Solution:

Height of a cone = 15 cm

Volume of the cone = 1570 cm³

To find the radius of the base of the cone:

Volume of the cone = $\frac{1}{3}\pi r^2 h$

$$\Rightarrow \frac{1}{3}\pi r^2 h=1570$

$$\Rightarrow \frac{1}{3}\times\ 3.14\times r^2 \times 15=1570$

$$\Rightarrow\ 3.14\times r^2 \times 5=1570$

$$\Rightarrow\ 15.7\times r^2 =1570$

Divide by 15.7 on both side of the equation, we get

$$\Rightarrow r^2 =100$

Taking square root on both sides of the equation, we get

⇒ r = 10

Hence the radius of the base is 10 cm.

5 0

4 years ago

Please help me with this :)

djyliett [7]

2.5 and 5 should be the answer

7 0

3 years ago

Is this triangle possible? And how do you know?

Andru [333]

Answer:

no it is not possible

Step-by-step explanation:

because sum of angles of a triangle must be 180° but here is only 170°

5 0

3 years ago

2/7 into percents ??

mafiozo [28]

Answer:

28.57142857 %

Step-by-step explanation:

Convert the fraction to a decimal, then multiply by 100 .

28.57142857 %

3 0

3 years ago

Read 2 more answers

Graph the function and identify the domain and range y= -4 x^2

attashe74 [19]

Step-by-step explanation:

y=-4x²

if x=0 x=2

y=0 y=16

x=1 x=-2

y=4×1² y=-16

y=4

x=-1

y=-4

5 0

3 years ago