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Zigmanuir [339]
2 years ago
12

Help pls thanks !!!!

Mathematics
1 answer:
icang [17]2 years ago
5 0

Answer:

c) 4

Step-by-step explanation:

4x +2 - 7 = x + 7

4x - x = 7 -2 + 7

3x = 12

x = 4

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5th grade math. Correct answer will be marked brainliest.
Masteriza [31]

Answer:

Part A: 100x=235

B: 2.35

C: The weight of the fish would differ by 211.5 because if you find the difference between the equation's answers, 235 and 23.5, it's 211.5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the area of this compound shape?
Paraphin [41]

Answer:

139.36

Step-by-step explanation:

first you do 8*8 because that would be the area of the square part

8*8=64

then find the area of the semicircle

first the Radis of it is 4 because 8/2=4

A=3.14R^2/2

3.14*4^2/2

3.14*16/2

50.24/2

25.12

now because there are 3 of the semicircles you do

25.12*3

75.36

then you add the 64 from the square to get your answer

75.36+64

139.36

6 0
3 years ago
Which figure shows how a shape can be rotated about an axis to form a cylinder?
cluponka [151]

Answer:

the bottom right

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
-x^(2)-12=-87<br><br> Please explain your answer, and how I make the x positive
spayn [35]
Solve for x over the real numbers:
-x^2 - 12 = -87
Add 12 to both sides:
-x^2 = -75
Multiply both sides by -1:
x^2 = 75
Take the square root of both sides:
Answer:  x = 5 sqrt(3) or x = -5 sqrt(3)  both Answers are correct
7 0
3 years ago
Solving systems by elimination with multiplication: 8x+7y=20 and 4x-4y=-20
borishaifa [10]
If you put 0 in the place of x or y, which every one you choose, it will cancel it or and you can just divide the number next to it by the answer (-20, 20). Take it one step at a time, don't try to do both at the same time.
3 0
3 years ago
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