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Nastasia [14]
3 years ago
15

(SAT Prep) Find the value of x.

Mathematics
1 answer:
nydimaria [60]3 years ago
3 0

Step-by-step explanation:

Both the angles will sum up to 180° as they are adjoint angles.

3x+2x= 180°

5x=180°

x=180°/5

x=36°

[Extra:- 3x=3×36=108° and 2x=2×36=72° 5x=108°+72°=180°]

Hope this helps you .

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Which property was used to simplify the expression?
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Answer:

distributive

Step-by-step explanation:

they took the number outside of the parentheses and multiplied by the inside

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3 years ago
Please dont steal I just need a bit of help here I would really appreciate it I will give brainless
Ksenya-84 [330]

Answer:

<h2>7.25</h2>

Step-by-step explanation:

I gave you the answer earlier too!

for more info !

<h2>there s a theorem called MIDPOINT THEOREM </h2>

Which means the 3rd side of the triangle is equal to 1/2 of the line drawn by joining the mid points

<h2>so AB=1/2of YZ</h2>

which means

2x-4 = 1/2×21

thus, 2(2x-4) =21

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6 0
3 years ago
What is divide by 2-digit numbers
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8 0
3 years ago
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A sociologist recorded the estimated life expectancies of women born in Center City. Use the data from women born in 1970 and 20
ANEK [815]
Y = 0.213x – 352.0 <span> represents this linear model shown in the data table.
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4 years ago
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Leia cuts congruent triangular patches with an area of 63 square centimeters from a rectangular piece of fabric that is 27 centi
m_a_m_a [10]
<span>- The triangular patches have an area of 63 cm</span>² (A1= 63 cm²)<span>.
- The rectangular piece of fabric is 27 centimeters long and 21 centimeters wide. 

 1. Then, the first thing you must do is to calculate the area of the piece of fabric. The formula for the area of a rectangle is:

 A2=LxW
 
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 W=21 centimeters (The width of the rectangle)

 2. When you substitute the values of L and W into the formula, you obtain:

 A2=(27 cm)(21 cm)
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<span>
 3. Then, let's calculate how many triangular patches she can cut from a rectangular piece of fabric:

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 4. Finally, you can calculate how many triangular patches she can cut from 33 rectangular pieces of the fabric:

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<span>
 How many of the patches can Leia cut from 33 pieces of the fabric?

 The answer is: 297 triangular patches</span>
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3 years ago
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