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2 years ago

Which of the following is a rational number?

Mathematics

1 answer:

Oksanka [162]2 years ago

3 0

Answer:

25!

Step-by-step explanation:

bc 25 squared = 5--which is rational.

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Two fifths of the children in the nursery were boys. What was the ratio of boys to girls in the nursery?

Shtirlitz [24]

The answer would be 2:3

6 0

3 years ago

Simplify the answer as much as possible

RSB [31]

Answer:

f(-5)=240

g(-7)=-33

Step-by-step explanation:

1) f(x)=3x^2 - 3x

f(-5)= 3×(-5)^2 - 3×(-5) = -15^2 + 15= 225 + 15=240

2) g(x)=5x + 2

g(-7)= 5×(-7) + 2= -35+2=-33

6 0

2 years ago

How do the areas of the parallelogram compare?

IrinaK [193]

The first choice is right, area of 1 is 20, area of 2 is 16

5 0

2 years ago

Read 2 more answers

Which statements are true about a rectangular pyramid with a height of 9 centimeters and a base with the dimensions of 4 centime

Semmy [17]

Answer:

B. The area of the base of the pyramid, B, is 24 centimeters squared.

C. A rectangular prism with the dimensions of 9 centimeters by 4 centimeters by 6 centimeters will have 3 times volume of this pyramid.

Step-by-step explanation:

Given a rectangular pyramid with:

Height=9 cm

Base Dimensions = 4 centimeters by 6 centimeters

Base Area B=4 X 6 =24 Square cm.

Therefore, Option B (The area of the base of the pyramid, B, is 24 centimeters squared) is correct.

Volume of a pyramid = $\frac{1}{3} $ X Base Area X Height$

$=\frac{1}{3} X 24X9=72 cm^3$

Volume of a Prism with the dimensions of 9 centimeters by 4 centimeters by 6 centimeters

=Base Area X Height

=24 X 9

$=216 cm^3$

Now, 216/72=3

Therefore, A rectangular prism with the same dimensions will have 3 times volume of this pyramid

Therefore, <u>Option C is correct.</u>

6 0

2 years ago

Read 2 more answers

80,+84, +82, +79, +72, +97, +89, +97, +88, +79, +86, +90, +87 =

klemol [59]

Answer:

1110

Step-by-step explanation:

Coz I solved it

4 0

2 years ago