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Marina86 [1]
3 years ago
9

Is my answer correct? if not please correct me

Mathematics
1 answer:
guapka [62]3 years ago
5 0

Answer:

Yes it is

Step-by-step explanation:


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2x^2 -7= 74 please show all work
skad [1K]
2x^2-7=74\\
2x^2=81\\
x^2=\dfrac{81}{2}\\
x=-\sqrt{\dfrac{81}{2}} \vee x=\sqrt{\dfrac{81}{2}}\\
x=-\dfrac{9}{\sqrt2} \vee x=\dfrac{9}{\sqrt2}}\\
x=-\dfrac{9\sqrt2}{2} \vee x=\dfrac{9\sqrt2}{2}}\\
8 0
3 years ago
A candle is 6 inches tall and burns at a rate of 1/2 inch per hour. How much would be left of the candle after 3 hours?
aleksandr82 [10.1K]
The candle would be 4.5 inches tall after three hours.
8 0
3 years ago
Help plz is 1-8 right??!!!
PSYCHO15rus [73]

Answer:

yes

Step-by-step explanation:

since its more than 90 dgree

6 0
2 years ago
Read 2 more answers
1 | 4
3241004551 [841]

b. c=4s

you multiply x times 4 to get y

3 0
3 years ago
A number b subtracted from 9.8 Is greater than -4
kupik [55]

The solution is: b < 13.8

Step-by-step explanation:

Let b be the number then according to given statement

9.8-b>-4

Subtracting 9.8 from both sides

9.8-b-9.8>-4-9.8\\-b > -13.8

We have to remove the minus sign in order to get the final solution.

Multiplying by -1

b < 13.8

Hence,

The solution is: b < 13.8

Keywords: Inequality, variables

Learn more about inequalities at:

  • brainly.com/question/3614284
  • brainly.com/question/3783529

#LearnwithBrainly

3 0
3 years ago
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