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3 years ago

What is the following sum?

Mathematics

2 answers:

almond37 [142]3 years ago

7 0

The answer is $2xy \sqrt{y} + 2xy^2 \sqrt{x}$

DaniilM [7]3 years ago

6 0

The answer is A :)

Edited to prevent anyone from feeling upset

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please help. answer is 62.1m(squared) and the objects are composite! please show the work, no matter what i do i cant seem to ge

yuradex [85]

Answer:

$SA=62.1\ m^2$

Step-by-step explanation:

step 1

Find the surface area of the smaller rectangular prism

$SA=2B+Ph$

where

B is the area of the base

P is the perimeter of the base

h is the height of the prism

$SA=2[(2.5)(1.5)]+2(2.5+1.5)(1.5)$

$SA=7.5+12=19.5\ m^2$

step 2

Find the surface area of the cube

$SA=6s^2$

where

s is the length side of the cube

$SA=6(2.5^2)=37.5\ m^2$

step 3

Find the lateral area of the cylinder

$LA=\pi DL$

where

D is the diameter of the base

L is the length of cylinder

$LA=(3.14)(0.5)(3.5)=5.495\ m^2$

step 4

Find the area of the base of cylinder

$A=\pi r^{2}$

we have

$r=0.5/2=0.25\ m$ ----> the radius is half the diameter

$A=(3.14)(0.25)^{2}=0.19625\ m^2$

step 5

Find the surface are of the composite figure

we know that

The surface area of the composite figure is equal to the surface area of the smaller rectangular prism plus the lateral area of the cylinder, plus the surface area of the cube, minus the area of the two bases of cylinder

$SA=19.5+5.495+37.5-2(0.19625)=62.1\ m^2$

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3 years ago

How can you find the area of a rectangle if you forgot the formula

rodikova [14]

Answer:

The area of a rectangle can be found by multiplying it's length by the height of the rectangle.

Step-by-step explanation:

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vladimir2022 [97]

Answer:

x=79,y=63 I have solve it in above picture

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lesya [120]

The answer is <u>Variance</u>

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4 years ago

15 points!! Will give brainliest for smartest answer!

ivann1987 [24]

Answer:

120

Step-by-step explanation:

since she is trying to keep it under 40 each month and there is a flat fee of 34$ she will have 6$ left then you just have to divide so you will do 6/0.05

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