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3 years ago

Are these ratios equivalent 4:5 and 16:20 yes or no

Mathematics

1 answer:

Anastasy [175]3 years ago

5 0

Answer:

yes

Step-by-step explanation:

this is correct because if you multipy them both by 4 you get those answers .

4 x 4 = 16

5 x 4 = 20

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Please help me find the area of shaded region and step by step

Bumek [7]

Answer:

Part 1) $A=60\ ft^2$

Part 2) $A=80\ cm^2$

Part 3) $A=96\ m^2$

Part 4) $A=144\ cm^2$

Part 5) $A=9\ m^2$

Part 6) $A=(49\pi -33)\ in^2$

Step-by-step explanation:

Part 1) we know that

The shaded region is equal to the area of the complete rectangle minus the area of the interior rectangle

The area of rectangle is equal to

$A=bh$

where

b is the base of rectangle

h is the height of rectangle

$A=(12)(7)-(8)(3)$

$A=84-24$

$A=60\ ft^2$

Part 2) we know that

The shaded region is equal to the area of the complete rectangle minus the area of the interior square

The area of square is equal to

$A=b^2$

where

b is the length side of the square

$A=(12)(8)-(4^2)$

$A=96-16$

$A=80\ cm^2$

Part 3) we know that

The area of the shaded region is equal to the area of four rectangles plus the area of one square

$A=4(4)(5)+(4^2)$

$A=80+16$

$A=96\ m^2$

Part 4) we know that

The shaded region is equal to the area of the complete square minus the area of the interior square

$A=(15^2)-(9^2)$

$A=225-81$

$A=144\ cm^2$

Part 5) we know that

The area of the shaded region is equal to the area of triangle minus the area of rectangle

The area of triangle is equal to

$A=\frac{1}{2}(b)(h)$

where

b is the base of triangle

h is the height of triangle

$A=\frac{1}{2}(6)(7)-(6)(2)$

$A=21-12$

$A=9\ m^2$

Part 6) we know that

The area of the shaded region is equal to the area of the circle minus the area of rectangle

The area of the circle is equal to

$A=\pi r^{2}$

where

r is the radius of the circle

$A=\pi (7^2)-(3)(11)$

$A=(49\pi -33)\ in^2$

7 0

3 years ago

Find the product 0 . 67 × 0 .3

quester [9]

0.067 =67/100
0.3 =3/10
0.67 * 0.3 = 67/100 *3/10
(67*3) / (100*10)
=201/1000
=0.201

8 0

3 years ago

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How to write two hundred thirty-eight thousand, five hundred thirty-three using suymbols please help

garri49 [273]

By symbol you mean number form? 238,533.

5 0

3 years ago

Name the x- and y-intercepts for the line representing the possible numbers of yodelers and xylophones.

Wittaler [7]

Answer:

wow howw

Step-by-step explanation:

4 0

3 years ago

T is between points D and S. DT = 27 and TS = 35.

lana [24]

D T S
|-------27---------|
|------------35-----------|
DS=27+35=62
the answer is 62

7 0

3 years ago

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