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oksian1 [2.3K]
3 years ago
10

Solve for x. Show your work. Help please

Mathematics
1 answer:
ozzi3 years ago
3 0
7x+1+10x-9=19x-18
add like terms
17x-8=19x-18
add 18 to both sides and subtract 17x from both
10=2x
divide by two
x=5
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What is the height of an isosceles trapezoid, if the lengths of its bases are 5m and 11m, and the length of a leg 4m.
pashok25 [27]

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AE=FD=\dfrac{AD-EF}{2}=\dfrac{AD-BC}{2}=\dfrac{11-5}{2}=3.

Consider right triangle ABE, by the Pythagorean theorem

AB^2=EB^2+AE^2,\\ \\4^2=3^2+EB^2,\\ \\EB^2=16-9=7,\\ \\EB=\sqrt{7}\ m.

Answer: \sqrt{7}\ m.

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3 years ago
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Ksenya-84 [330]

Answer:

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Step-by-step explanation:

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sukhopar [10]

Answer:

About 34 workers

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200/30 to find on average how many trees can be carved by one worker

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8 0
3 years ago
-5x=25 how to solve this problem ​
Sidana [21]
X = -5

The goal of this problem is to solve for x.

To solve x in this problem you need to find a way to get it by itself on the left side, the way to do this is divide -5x by -5.

You then also have to do the same for the right side. This gives you -5.
6 0
3 years ago
What’s equivalent to 25^x
Leviafan [203]

Answer:

5^2x

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write the number in exponential form with a base of 5

(5^2)^x

simplify the expression by multiplying exponents

5^2x

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