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g100num [7]
3 years ago
9

What is the surface area ?

Mathematics
1 answer:
klasskru [66]3 years ago
8 0
I think the answer is 816cm
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Please answer ASAP. The question is down below.
Butoxors [25]

Answer:  1) c     2) d

<u>Step-by-step explanation:</u>

Use Pythagorean Theorem to find the hypotenuse (r):  x² + y² = r²

Given: x = 2, y = 6

                2² + 6² = r²

                4 + 36 = r²

                      40 = r²

                      \sqrt{40}=r

\sin \theta=\dfrac{y}{r}\quad =\large\boxed{\dfrac{6}{\sqrt{40}}}\quad \rightarrow \dfrac{6}{2\sqrt{10}}\quad \rightarrow \dfrac{3}{\sqrt{10}}

*******************************************************************************************

\sin \theta = \dfrac{opposite(y)}{hypotenuse(r)}\quad =\dfrac{12}{20}\quad \rightarrow \dfrac{3}{5}\quad \rightarrow \large\boxed{0.6}\\\\\\\cos \theta = \dfrac{adjacent(x)}{hypotenuse(r)}\quad =\dfrac{16}{20}\quad \rightarrow \dfrac{4}{5}\quad \rightarrow \large\boxed{0.8}

5 0
3 years ago
Maria bought 12.5 gallons of gasoline. There are approximately 3.8 liters in 1 gallon. Which measurement is closest to the numbe
allochka39001 [22]

Answer:

47.5

Step-by-step explanation:

7 0
3 years ago
Which of the following coordinate points is the point of intersection of these two lines? y - 6x = -4 and y - 2x = 8
Nimfa-mama [501]

Answer:

(x,y)=(3,14)

Step-by-step explanation:

y-6x=-4 , y=-4+6x

y-2x=8, y=8+2x

(y=)-4+6x=8+2x

6x-2x=8+4

4x=12

x=12/4

x=3, then

y=-4+6*3=-4+18=14

(x,y)=(3,14)

7 0
4 years ago
Emily wants to have her resume printed. The printing company charges $24.50 for the first 100 resumes, and then a flat rate for
stira [4]

The total number of resumes Emily prints = 300

She pays $24.50 for the first hundred resumes. Therefore, number of resumes that remain = 300-100= 200 resumes

\Now she pays a flat rate for each additional 100 resumes.

She pay a total of 48.50 for total of 300 resumes. Since she pays 24.50 for the first 100, the amount the remains = 48.50 =24.50 = $24

Therefore, she pays 24 for 2 sets of 100 resumes

Therefore the flat rate after the first 100 resumes = 24/2 = $12

3 0
4 years ago
Substitute 2x-3(x-1)=1
faltersainse [42]

Answer:

X =2

Step-by-step explanation:

2x - 3(x - 1) = 1 \\ 2x - 3x + 3 = 1 \\  - x = 1 - 3 \\  - x =  - 2 \\ x = 2

plz..

mark it as a brilliant answer

3 0
4 years ago
Read 2 more answers
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