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4 years ago

20/10 as a mixed number

2 answers:

6 0

First, decide how many times 10 can go into 20. 10 can "fit in" to 20 exactly 2 times. Since there is nothing left over, the "mixed number" is simply 2.
Another way to do this is to just divide the top by bottom, since it will divide evenly.
20/10 = 2.
Answer: 2
Hope that helps!!

Minchanka [31]4 years ago

3 0

20/10 as a mixed number:

20 ÷ 10 = 2.

10 goes into 20 two times. So 20/10 as a mixed number is a whole number: 2.

20/10 = 2

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A cylinder of manganese (length 4.00 cm, diameter = 1.00 cm) has a mass of 22.62 g. What is the density of manganese?

Gnom [1K]

Equation for density is mass/volume

Mass=22.62 g

Volume= 22/7 x 1/2^2 x 4

3.14 x 0.5 x 0.5 x 4

=3.14 cm3

Mass/ Volume

22.62/3.14

7.2 g/cm3 is the answer

5 0

3 years ago

Given ΔABC, m∠A = 120°, b = 13 cm, and c= 15 cm. Find the triangle's area. Round to the nearest tenth.

zzz [600]

Refer to the diagram shown below.

m∠A = 120°
b = 13 cm
c = 15 cm

From the Law of Sines, the area of the triangle is
Area = (1/2)*b*c*sin(A)
= 0.5*13*15*sin(120°)
= 84.4375 cm²

Answer: 84.4 cm² (nearest tenth)

4 0

3 years ago

Top brainilest and extra points

Nataly_w [17]

Answer:

volume of sphere = 288π ft³

Explanation:

volume of sphere = $\frac{4}{3} \pi r^3$

where pi is a constant and r is the radius of the sphere

We are given that:

The diameter of the sphere is 12 ft.

This means that the radius = $\frac{12}{2} = 6 ft$

Substitute with the radius in the above equation to get the volume as follows:

volume = $\frac{4}{3} \pi *(6)^3 = 288\pi$ ft³

Hope this helps :)

3 0

3 years ago

Read 2 more answers

The airport security randomly selected 24 suitcases from in the security line. Of these bags, they screened 7 suitcases. Based o

ddd [48]

Answer:

42 suitcases screened = x

Step-by-step explanation:

7/24 = x/144

7(144) = 24x

1,008 = 24x

42 = x

6 0

3 years ago

Determine if each statement is true or false. If the statement is false, explain why, or show work proving that it is false.

kherson [118]

Answer:

a). true

b). true

Step-by-step explanation:

a).

Given : If a = 5, then ac = 5c

Let c be any constant.

a = 5 (given)

Therefore, ac = 5c

Here a is given a constant value (5), also let assume c to be a constant. So when we multiply each term we will get a constant value of 5c. The ratio does not change.

Hence proved.

b).

Given : If ac = 5c, then a = 5

Let c be any constant

It is given, a = 5

Therefore, ac = 5c

Here the product of two terms is given as 5c, where c is assume to be a constant. Then as a product rule, the value of a will be 5. The ratio will not change.

Hence proved.

7 0

3 years ago