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lana66690 [7]
2 years ago
9

The measures of the angles of a triangle are shown below. solve for x ​

Mathematics
1 answer:
wel2 years ago
5 0

Step-by-step explanation:

60°+(7x-12)°+90° = 180°. (angle sum property of triangle)

(7x-12) + 150° = 180°

(7x-12) = 180° - 150°

7x-12 = 30°

7x = 30 + 12

7x = 42°

x = 42°/7

x = 6°

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3 years ago
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1. A pond has 85 frogs, 20% of the frogs are green the rest are orange, brown, and yellow. How many frogs are green?​
alexandr402 [8]

Answer:

17 green frogs

Step-by-step explanation:

You need to multiply the decimal form of 20% by 85.

To find the decimal form of a percent you take the decimal (20.00) and move it twice to the left (20.00 ---> .2000)

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(.2)(85) = 17

Therefore, 17 frogs in the pond of 85 frogs are green

<em>Hope this helps!!</em>

<em>- Kay :)</em>

4 0
2 years ago
How do i do this some one please explain
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4 0
2 years ago
Explain how to convert percent to fractions and percents and decimals
mars1129 [50]
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5 0
2 years ago
Solve the following system of equations by substitution and select the correct answer below:
Alexxx [7]
Okay so for substitution, chose one of  of the equations to solve for x. Let's solve for the second one. So you have 2x-8y=32.
Start by adding 8y to both sides:
 2x=8y+32.
Then you have to get x by itself so you divide both sides by 2 which will give you:
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Now you have:
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Now, plug in the second equation to the first one. You would do so by plugging in the second equation to where you see x. You would have:
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Now, multiply the 6 with the 4y and 16. you would then have:
24y+96-4y=36.

Now, combine your like terms to get:
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20y=-60
Then divide both sides so that you have y all by itself:
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You now have the answer for y, so now plug what you got for y into the other equation: x+4y=16: 
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so Your answer is Y=-30 and X=180

I hope this helped:)


5 0
3 years ago
Read 2 more answers
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