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dexar [7]
3 years ago
12

20 Points and markwd brainliest

Mathematics
2 answers:
lbvjy [14]3 years ago
7 0

Answer: C and can I get markwd brainliest XD

Step-by-step explanation:

liberstina [14]3 years ago
4 0

Answer:

B

Step-by-step explanation:

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What is the value of 4r^2-8 when r=3?
Vlad [161]

Answer:

28

Step-by-step explanation:

So this means to replace the r you see in 4r^2-8 with 3.

Let's do that:

4(3)^2-8

Now to simplify this just use pemdas or a calculator:

4(9)-8     since 3^2 means 3*3=9

36-8

28

5 0
3 years ago
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Please help me! i got this wrong and i dont know what i did wrong
Genrish500 [490]

Answer: See you have to understand the problem and then solve it Answer is: 5g - 2/10

8 0
3 years ago
What is the interval notation for all real numbers?
ankoles [38]

Answer:

15 15 17 17 19 30

Step-by-step explanation:

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4 0
3 years ago
Please please i need help i will mark u brill
zvonat [6]

Answer:

106 - 8h = 34

Whenever a math question says "when <em>h </em>= 9," they mean you substitute this number where <em>h </em>is in the equation.

106 - 8(9) = 34

106 - 72 = 34

34 = 34

This means the fact that h = 9 <u>is a solution for h.</u>

<em>I hope this helps! I would really appreciate it if you would please mark me brainliest! Have a blessed day!</em>

6 0
2 years ago
17. A piece of PVC material weighs 0.063 pounds per cubic inch. What's the weight of a 36-inch piece of PVC pipe with an outside
scoray [572]
It is b because if thats your numbers and u divide weight by inches and times it by the diameter you get your answer
8 0
3 years ago
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