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2 years ago

Find the value of x. 31° to 35°

Mathematics

2 answers:

GuDViN [60]2 years ago

7 0

$31\textdegree + 35\textdegree + x \textdegree= 180\textdegree$

$66\textdegree + x\textdegree = 180\textdegree$

$x\textdegree = 180 \textdegree- 66\textdegree$

$x \textdegree= 114\textdegree$

I hope that I helped you!

VMariaS [17]2 years ago

3 0

Step-by-step explanation:

the sum of all angles in a triangle is always (ALWAYS !) 180°.

180 = 31 + 35 + x = 66 + x

x = 180 - 66 = 114°

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yawa3891 [41]

Answer:

you're answer is -2

Step-by-step explanation:

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3 years ago

The surface area of a rectangular prism is the sum of:

Anastaziya [24]

Answer:

Surface area of prism= $2(l+w)h+2(lw)$

Step-by-step explanation:

We are given that surface area of rectangular prism= $2(lw+lh+wh)$

We have to write an expression that represents the surface area of prism.

Base of prism is made from length and width

Perimeter of base =2(l+w)

Area of base=lw=Area of top

Surface area of prism=Perimeter of base multiply by height+2 area of base

Because area of base and area of top are equal.

Surface area of prism=Ph+2B=2(l+w)h+2(lw)

8 0

3 years ago

243^-y=(1/243)^3y*9^-2y a.) y=-1 b.) y=0 c.) y=1 d.) no solution

allochka39001 [22]

$243^{-y}=(\frac{1}{243})^{3y}\times 9^{-2y}$ has y = 0 as a solution.

Selection B is appropriate.

8 0

3 years ago

Read 2 more answers

A building contractor is to dig a foundation 30 feet long, 12 feet wide, and 6 feet deep. The contractor pays $20 per load fo

kogti [31]

Answer:

$1800

Step-by-step explanation:

Volume of the foundation: 30*12*6 = 2160 cubic feet

we need to convert this into yards because a truckload is 8 cubic yards, 2160/3 = 720 cubic yd

One truckload is 8 cubic yards

# of truckloads needed: 720/8 = 90 truckloads

Cost: $20*90 = $1800

3 0

2 years ago

HELP ME PLS W 23 AND 24

n200080 [17]

Answer:

23 is 1/25

24 is -3

Step-by-step explanation:

Please give that brainliest giiirllllll, if you are one thanks tho!!!!!!

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3 years ago