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vivado [14]
3 years ago
11

The perimeter of the triangle is 131 inches. Write an equation to find the length labeled x. Then solve the equation

Mathematics
2 answers:
ser-zykov [4K]3 years ago
5 0
Hello!

The perimeter is all of the sides added up. We can write this equation below.

42+30+x=131

We subtract 30 and 42 from both sides.

x=131-30-42
x=131-72
x=59

Therefore, we have x=59.

I hope this helps!
Deffense [45]3 years ago
3 0
Write the equation: x + 42 + 30 = 131

Combine like terms: x + 72 = 131

Subtract 72 from both sides: x = 59
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eduard
1) Factor the equation first:

2e^{2x} + 4xe^{2x} = 0
e^{2x}(2 + 4x) = 0

So either e^{2x} = 0 or 2 + 4x = 0. But e^{2x} = 0 can never equal 0! So, we only need to solve for the second equation:

2 + 4x = 0
\bf x = {-\frac{1}{2}}

2) First, single out the term with the exponent:

2 + 3(4^{2x - 1}) = 43
3(4^{2x - 1}) = 41
4^{2x - 1} = \frac{41}{3}

Now, taking the log base 4 of each side gives us

2x - 1 = \log_4 \frac{41}{3}

and we can now solve for x:

2x - 1 = \log_4 \frac{41}{3}
2x = 1 + \log_4 \frac{41}{3}
2x = \log_4 4 + \log_4 \frac{41}{3}
2x = \log_4 \frac{164}{3}
x = \frac{1}{2} \log_4 \frac{164}{3}
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8 0
3 years ago
Difference 7 7/8- 3 1/4
Nataly_w [17]
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8 0
4 years ago
Will give brainliest to whoever answers this question please help
jek_recluse [69]

Answer:

∠ STR = 64°

Step-by-step explanation:

Since RS = ST then the triangle is isosceles and the base angles are congruent, that is

∠ STR = ∠ SRT , then

∠ STR = \frac{180-52}{2} = \frac{128}{2} = 64°

8 0
3 years ago
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gogolik [260]
Find a number you can multiply by the bottom of the fraction to make it 10, 100, or 1000 and multiple both top and bottom by that number then write down just the top number putting the decimal point in the correct spot.
3 0
3 years ago
A 12 ft ladder leans against the side of a house the top of a ladder is 11 Ft off the ground find x the angle of elevation of th
Fofino [41]

Answer:

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sinx degrees=11/12

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7 0
3 years ago
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