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2 years ago

8

-9+m=13 for equations

1 answer:

Nataly_w [17]2 years ago

8 0

Answer:

m=22

Step-by-step explanation:

i am very very shmart

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the length of diagonal of a rectangular field is 23.7 m and one of its sides is 18.8 m. find the perimeter of the field.

katen-ka-za [31]

Answer:

Approximately 66.4 Meters

Step-by-step explanation:

So we have a rectangle with a width of 18.8 meters and a diagonal with 23.7 meters. To find the perimeter, we need to find the length first. Since a rectangle has four right angles, we can use the Pythagorean Theorem, where the diagonal is the hypotenuse.

$a^2+b^2=c^2$

Plug in 18.8 for either <em>a </em>or <em>b. </em>Plug in the diagonal 23.7 for <em>c. </em>

<em /> $(18.8)^2+b^2=23.7^2\\b^2=23.7^2-18.8^2\\b=\sqrt{23.7^2-18.8^2} \\b\approx14.4 \text{ meters}$

Therefore, the length is 14.4 meters. Now, find the perimeter:

$P=2l+2w\\P=2(14.4)+2(18.8)\\P=66.4\text{ meters}$

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3 years ago

What is 2020 divided by 13?

Lilit [14]

Answer:

155.384615385

Step-by-step explanation:

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3 years ago

Please help!! 11 points!!

MariettaO [177]

Answer:3x < 8x - 3

Step-by-step explanation:

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3 years ago

Math 64 times40 eaquels 2.56

UkoKoshka [18]

Answer:

Wrong. It equals 2560.

Step-by-step explanation:

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2 years ago

Marist scholars ate a total of 16 bananas for snack. If the 34 kids in Bing-BU each ate a half of a banana for snack, which clas

LiRa [457]

Answer:

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Step-by-step explanation:

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3 years ago