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frutty [35]
3 years ago
7

Expand and simplify (2x)^2(3−1)

Mathematics
1 answer:
lord [1]3 years ago
4 0

Answer:

8x^2

Step-by-step explanation:

(2x)^2(3−1)

= 4x^2(2)

= 8x^2

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Lin father is paying for a 20 meal he has a 15 off coupon for the meal what is the total after the discount
wel

Answer:

3

Step-by-step explanation:

20÷100=0.2

0.2×15=3

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4 0
3 years ago
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In ΔCDE, \overline{CE}
abruzzese [7]

Answer:

m\angle CDE=14^o

Step-by-step explanation:

we know that

An exterior angle of a triangle is equal to the sum of the opposite interior angles.

see the attached figure to better understand the problem

so

∠DEF=∠ECD+∠CDE

substitute the given values

(4x+5)^o=(x+9)^o+(x+8)^o

solve for x

Combine like terms

(4x+5)^o=(2x+17)^o

Group terms

4x-2x=17-5

2x=12

x=6

Find the measure of angle CDE

m\angle CDE=(x+8)^o

substitute the value of x

m\angle CDE=(6+8)=14^o

8 0
3 years ago
Which of the lists of letters all have line symmetry?
Sunny_sXe [5.5K]

Answer:

The first row

Step-by-step explanation:

Letters A,B,C,D

6 0
3 years ago
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Fawzi's SUV is 6 feet 4 inches
Nat2105 [25]

Answer:

<u>9 feet 2 inches</u>

Step-by-step explanation:

Given :

⇒ Height of SUV = <u>6 feet 4 inches</u>

⇒ Height of box = <u>2 feet 10 inches</u>

<u />

============================================================

Solving :

⇒ Total Height = Height of SUV + Height of box

⇒ Total Height = 6 feet 4 inches + 2 feet 10 inches

⇒ Total Height = 8 feet 14 inches

* But, 12 inches = 1 feet *

Hence,

⇒ Total Height = 8 feet + 1 foot + 2 inches

⇒ Total Height = <u>9 feet 2 inches</u>

8 0
2 years ago
What is the distance between the points (1, –6) and (–5, 2)? Round your answer to the nearest tenth. A. 10.0 units B. 9.0 units
Mama L [17]
B .....................................................
3 0
3 years ago
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