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3 years ago

HELPPP ME PLSS!!!!!!!!!!!!!!!!

Mathematics

2 answers:

11111nata11111 [884]3 years ago

7 0

Answer:

2700 cubic feet

Step-by-step explanation:

To find the volume of the figure, we need to find the separate volumes of the cuboids. The formula for the volume of a cuboid is length × breadth × height.

Volume of bigger cuboid = 11 × 10 × 22

= 2420

Volume of smaller cuboid = 10 × 4 × 7

= 280

Volume of figure = 2420 + 280

= 2700 cubic feet

Fantom [35]3 years ago

4 0

Answer:

500

Step-by-step explanation:

10*1*22=220

7*4*10=280

220+280=500

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Lala eats three times as many pancakes as her little sister Carmen. If Carmen eats m pancakes, how many pancakes does Lala eat?

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Answer:21

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3 years ago

Factor the following expression completely:<br> 16x^5 - x^3

myrzilka [38]

Assignment: $\bold{Factor \ 16x^5 - x^3}$

<><><><><>

Answer: $\boxed{\bold{x^3\left(4x+1\right)\left(4x-1\right)}}$

<><><><><>

Explanation: $\downarrow\downarrow\downarrow$

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[ Step One ] Factor out common term $\bold{x^{3}}$

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[ Step Two ] Factor $\bold{16x^2-1}$

\left(4x\right)^2-1^2

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$\bold{x^3\left(4x+1\right)\left(4x-1\right)}$

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3 0

3 years ago

Read 2 more answers

Only need help on number 5 and 6

Alborosie

5) since (x-a)^2+(y-b)^2=r^2

plug in (-5,2) as (a,b) and r=3

Making the equation:

(x+5)^2+(y-2)^2=9

6) (x-0)^2+(y-0)^2=r^2

since we have (0,5)

0^2+5^2=r^2

Final equation: x^2+y^2=25

5 0

3 years ago

Box A has a surface area of 98 in 2. If box B is 4 times the size of box A, what is the surface area of box B?

Ksju [112]

Given:

Box A has a surface area of 98 in².

Box B is 4 times the size of box A.

To find:

The surface area of box B.

Solution:

Let "a" be the side of box A , then "4a" be the side of box B because box B is 4 times the size of box A.

We know that the areas of similar figures are proportional to the square of their corresponding sides.

$\dfrac{\text{Area of box A}}{\text{Area of box B}}=\dfrac{(\text{Side of box A})^2}{(\text{Side of box B})^2}$

$\dfrac{98}{A_B}=\dfrac{(a)^2}{(4a)^2}$

$\dfrac{98}{A_B}=\dfrac{(a)^2}{16a^2}$

$\dfrac{98}{A_B}=\dfrac{1}{16}$

Using cross multiplication, we get

$98\times 16=1\times A_B$

$1568=A_B$

Therefore, the surface area of box B is 1568 in².

7 0

3 years ago