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s344n2d4d5 [400]
3 years ago
14

Help anyone can help me do this question,I will mark brainlest.​

Mathematics
1 answer:
Luda [366]3 years ago
3 0

Answer:

344 {cm}^{2}

Step-by-step explanation:

area \: of \: the \: square \\  = 40cm \times 40cm \\  = 1600 {cm}^{3}  \\

area \: of \: the \: circle \\  = \pi {r}^{2}  \\  = 3.14 \times  {(20)}^{2}  \\  = 3.14 \times 400 \\  = 1256 {cm}^{2}  \\

area \: of \: shaded \: region \\  = 1600 {cm}^{2}  - 1256 {cm}^{2}  \\  = 344 {cm}^{2}  \\

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Choose the number sentence that illustrates the distributive property of multiplication over addition.
marin [14]

Answer:

3*(7 + 2) = 3*7 + 3*2

Option 3

Step-by-step explanation:

Distributive property of multiplication over addition:

a*(b+ c) = (a*b ) + (a * c)

6 0
3 years ago
Read 2 more answers
Using a rounded version of a conversion ratio allows for a quick estimate of a unit conversion
dolphi86 [110]

The conversion ratio that can be illustrated will be converting 2030m to kilometers.

<h3>How to illustrate the conversion?</h3>

The unit conversion that can be illustrated based on the information can be convert 2030m to kilometers.

It should be noted that 1000 meters makes 1 kilometer. Therefore, rounding up 2030m mentally will be 2000m and the conversion to kilometers will be:

= 2000/1000

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6 0
1 year ago
58-(1/4)2 i dont get how to solve this
xeze [42]

Answer:

57.5

Step-by-step explanation:

First you would have to multiply following PEMDAS so

(1/4)(2)

=0.5

Then subtract 58 and 0.5

58-0.5

=57.5

and thats your answer

5 0
3 years ago
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A rectangular shoebox has a volume of 728 cubic inches. The base of the shoebox measures 8 inches by 6.5 inches. How long is the
bagirrra123 [75]
Divide the volume by the two measures. 728 ÷ 8 = 91 ÷ 6.5 = 14 so, the shoe box is we inches long.
8 0
3 years ago
I don’t know how to do it please help
madreJ [45]

Answer:

37.5

Step-by-step explanation:

First you have to realize that these are similar triangles.

You can do a easy cross multiplication with these types of questions by forming an equation with the similar angles.

put the smaller above the decimal and the bigger one below like this.

\frac{8}{25}=\frac{12}{x}

Now cross multiply

8x=300

x=37.5

5 0
3 years ago
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