Help? Because my teacher doesn't want too

Answers

Answer 1

Answer: m<ABC = m<EBD = 36 (vertical angles)

78 - x + 36 + 3x - 10 = 180 (straight angle)

Now solve for x

78 - x + 36 + 3x - 10 = 180
2x + 68 = 180
- 68 -68 (subtract 68 on both sides)
2x = 58
x = 29

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two numbers rational. between 0.3 and 0.4 express one as a decimal and fraction. explain why these numbers are rational

Answers

Two rational numbers between 0.3 and 0.4:

One would be 7/20, which equals 0.35 (35/100).
Another one may be 0.38.

Basically, these answer should be right because it is between 0.3 and 0.4.

How many cube roots does 0.216 have explain

Answers

Answer:

0.216 has exactly one cube root, which is 0.6.

Step-by-step explanation:

Note that the third root of 0.216 is 0.6, obtained on a calculator by typing in 0.216^(1/3). Verify this root by cubing 0.6: 0.6*0.6*0.6 = 0.216. Thus, 0.216 has exactly one cube root.

It says estimate the product of 32 and 48 then find the exact product☺

Answers

I estimate about 1,500... the answer is 1,536

You have an aquarium in the shape of a rectangular prism. The base is 4 feet by 3 feet. The height is 2 feet. How many square feet of glass were used to build the aquarium? (The top of the aquarium is open.)

Answers

Since it is about only the outer part of the aquarium which is made of glasses we need to calculate the total surface area.

Surface area of the base = 4*3 = 12 square feet

Surface area of the shorter length of wall = 3*2 = 6 square feet
since it has another wall in opposite side. It has to be multiplied with 2.
6*2 = 12 square feet

Surface area of the longer length of wall = 4*2 = 8 square feet
since it has another wall in opposite side. It has to be multiplied with 2.
8*2 = 16 square feet

Therefore the total surface area that need to be covered with glasses
12+12+16 = 40 square feet

8/9x=8+4/9x thank you!

Answers

x in (-oo:+oo)

(8/9)*x = (4/9)*x+8 // - (4/9)*x+8

(8/9)*x-((4/9)*x)-8 = 0

(8/9)*x+(-4/9)*x-8 = 0

4/9*x-8 = 0 // + 8

4/9*x = 8 // : 4/9

x = 8/4/9

x = 18

x = 18

x=18
steps:

subtract 4/9 from both sides and you have
4/9x=8

then divide 8 by 4/9 (or multiply by the reciprocal 9/4)

9x8= 72
4x1 =4

72/4 simplifies down to 18
x=18

Hope this Helped!!

What is the opposite of –64? A. 46 B. –46 C. –64 D. 64

Answers

the answer is d 64!!

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Deviation is the difference between any value and the mean of the set