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Alinara [238K]
3 years ago
9

How do you solve this

Mathematics
1 answer:
Bezzdna [24]3 years ago
5 0
Area = Base x Height 
= (x-4) * ( 2x² +2x -6 ) 
= 2x³ +2x² -6x -8x² -8x+24 
Area = 2x³ -6x²-14x +24 square centimeter 
the second answer 

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Find the area of the shaded regions
Salsk061 [2.6K]

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3 years ago
The sum of the measures of angle M and angle R is 90°.
denis23 [38]

Answer:

x = 5

Step-by-step explanation:

We have: The sum of the measures of angle M and angle R is 90°

M + R = 90°    

M = (5x + 10)°

Plug M into (1)

the equation: (5x + 10)° + R = 90°   (2)

R=55° into (2)

(5x + 10)° + 55° = 90°

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7 0
2 years ago
Points B, D, and F are midpoints of the sides of ΔACE. EC = 38 and DF = 16. Find AC. The diagram is not to scale.
Lunna [17]

Answer: The measure of AC is 32.

Explanation:

It is given that the Points B, D, and F are midpoints of the sides of ΔACE. EC = 38 and DF = 16.

The midpoint theorem states that the if a line segments connecting two midpoints then the line is parallel to the third side and it's length is half of the third side.

Since F and D are midpoints of AE and EC respectively.

So by midpoint theorem length of AC is twice of DF.

AC=2\times DF

AC=2\times 16

AC=32

Therefore, the length of AC is 32.

7 0
2 years ago
I need help on this question
NISA [10]
The correct answer should be C to this question
4 0
2 years ago
Read 2 more answers
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