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Alinara [238K]
4 years ago
12

Help me with this please

Mathematics
1 answer:
Nostrana [21]4 years ago
8 0
Check out the image attachment for one way to draw this problem out. Notice how angles AEC and DEB are vertical angles, so that means they are congruent angles

(measure of angle AEC) = (measure of angle DEB)
6x + 20 = 10x
6x + 20-6x = 10x-6x ... subtract 6x from both sides
20 = 4x
4x = 20
4x/4 = 20/4 ... divide both sides by 4
x = 5

The value of x is 5. 

Let's check the answer
6x + 20 = 10x
6*5 + 20 = 10*5 ... replace every x with 5
30+20 = 50
50 = 50
We have confirmed the answer.

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Given the following formula, solve for t.<br> v = u + at
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Answer:

t=(v-u)/a

Step-by-step explanation:

The equation we start with is v=u+at and we need to isolate t.

First subtract u from both sides

v-u=at

Now just divide both sides by a

(v-u)/a=t or t=(v-u)/a

4 0
3 years ago
What is one tenth seven hundredths three thousandths in standard form?​
Lina20 [59]

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Step-by-step explanation:

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Tulio will invest​ $1,000,000 at​ 5% annual interest. Determine how much money will Tulio have after 10 years if the interest is
balu736 [363]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
X - 4 = -4 - 4<br><br> 2 - 3x = -x - 8<br><br><br> Please help me solve these
irina [24]
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X - 4 = -8

Add 4 on both sides to isolate the x and get your answer.

X = -4

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Add the x on both sides.

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Divide by -2 on both sides to isolate the x and get your answer.

x = 5

5 0
3 years ago
The function y= -7/4x - 2 is transformed by shifting it to the right 12 units. What is the equation of the new function?
mafiozo [28]
Y = -7/4x + 19

You can get this by noting that at x = 12 of your new equation, y must equal -2 since it does presently on the y axis and you'll be shifting 12. So, you now have an ordered pair and the slope must stay the same. Then you can solve for the new y intercept by plugging in and solving for it. 
8 0
3 years ago
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