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marin [14]
3 years ago
13

" {3r}^{2} - 2 = 46" align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
zhannawk [14.2K]3 years ago
7 0
3r^2 – 2 = 46

• Add 2 on both side; 3r^2 = 48

• Remove the square from 3r by putting the square root of 48 = 6.9 hence:
3r = 6.9

• divide both sides by 3; 3r/3 = 6.9/3
r = 2.3
mestny [16]3 years ago
5 0
Start by adding 2 to both sides to get 3r^2 = 48. then divide both sides by 3 to get r^2 = 16. square root both sides to get r = 4.
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Answer:

D. 10

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Since you divided by 2. You want to multiply to go back wards.

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They already give you base(b=7) so to find the height you need to divide to go backwards since you multipled bh.

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now plug it in to see if the equation is right.

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3 years ago
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Tems11 [23]

Answer:

-1

Step-by-step explanation:

<u>Step 1:  Multiply </u>

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4 0
3 years ago
13. One kilogram is equal to 1,000 grams.
Ilya [14]

Answer:

I'm pretty sure it's 0.257!

Step-by-step explanation:

Sorry if I got it wrong I'm trying my best hope you have a great day!!

6 0
3 years ago
Read 2 more answers
Can you please multiply this<br> (–2.3)(6.5)
liubo4ka [24]
Hello There!

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3 0
3 years ago
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(giving brainiest)
Nat2105 [25]

Answer:

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