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marysya [2.9K]
3 years ago
9

I need to simplify the circled questions and explain how I got my answers.

Mathematics
2 answers:
artcher [175]3 years ago
8 0
7) 2^3 / 2(3+5)
8/2(5)
4/5
.8

10) 8(4-1) x 4
8(3) x 4
24x4
96

12) 9^2 (1+1) + 7
81 (2) + 7
162+7
169

14) 8^2 -1 +4 /2
64-1+4/2
67/2
33.5

18) 11^2 + 2^3 -3 x 4
121 + 8 - 3 x 4
129 -12
117
postnew [5]3 years ago
6 0

#7 2^3÷2(3+2) 2^2×(3+2) 4×5 20

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Please help using the picture below I need the surface area I also need an explanation
Taya2010 [7]

Answer:

155

Step-by-step explanation:

5*5=25

((5*13)/2)*4=130

130+25=155

6 0
2 years ago
Solve this equation 7x+3=5(x-3)+2x
zaharov [31]

Answer: nonsense

Step-by-step explanation:

7x+3=5(x-3)+2x

7x+3=5x-15+2x

7x+3-5x+15-2x=0

18=0

Non-sense

8 0
3 years ago
Find f (0) and find x when f (x) =4
Anuta_ua [19.1K]
At x = 0, y-coordinate is at -4 so that means f(0) = -4

Now for f(x) = 4, we need to find any x-coordinates such that y-coordinates is 4.

There are two possible answer: x = -8 and x = 8

So x = -8, 8

Hope this helps.
4 0
3 years ago
A. Only Graph A is a function.
vovikov84 [41]

Answer:

b: only graph b is a function

Step-by-step explanation:

if you look closely graph a is in the middle of the boxes and all over the place, so the answer has to be b. Your welcome (pls give brainliest)

6 0
3 years ago
If B is the midpoint of AC, and AB=5/2x+12 and AC=12x-4, what is the length of BC?
Setler [38]

Answer:

22

Step-by-step explanation:

We know that AC = 2 * AB so we can write:

12x - 4 = 2(5/2 x + 12)

12x - 4 = 5x + 24

7x = 28

x = 4

Since AB = BC the answer is 5/2 * 4 + 12 = 22.

8 0
3 years ago
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