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3 years ago

X = 55, because 60 + 65 = 125 and 180 - 125 = 55

Mathematics

1 answer:

Lina20 [59]3 years ago

7 0

Answer: x= 55 because 60 + 65 =125 and 180 - 125 = 55

Step-by-step explanation:

The sum of three angles in any triangle is 180. Therefore you add the two angles that you have and use that number to subtract it by 180. Then you will have your answer. Also you can get the answer to y by subtracting the value of x from 180.

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The height of a triangle is twice the length of its base. The

lions [1.4K]

Answer:

height = 14.2 m , base = 7.1 m

Step-by-step explanation:

let the base be b then height h = 2b

The area (A) of a triangle is calculated as

A = $\frac{1}{2}$ bh

Here A = 50 , then

$\frac{1}{2}$ × b × 2b = 50

b² = 50 ( take square root of both sides )

b = $\sqrt{50}$ ≈ 7.1 ( to the nearest tenth )

Then base = 7.1 m and height = 2 × 7.1 = 14.2 m

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3 years ago

What is the value of x in the equation below?

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$remember$
$ln(a^b)=bln(a)$
$ln(e)=1$
$so$
$ln(e^x)=xln(e)=x$

$1+2e^{x+1}=9$
$minus \space\ 1 \space\ both \space\ sides$
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$divide \space\ both \space\ sides \space\ by \space\ 2$
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$take \space\ ln \space\ of \space\ both \space\ sides$
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$minus \space\ 1 \space\ from \space\ both \space\ sides$
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3 years ago

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Answer:

Step-by-step explanation:

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