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Nesterboy [21]
3 years ago
11

Will give brainliest 30 points

Mathematics
1 answer:
vlabodo [156]3 years ago
3 0

Answer:

B.

Step-by-step explanation:

as for my answer please correct if im wrong

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Jing participates in a trivia contest. He completes each question in 1/2 minute.
jolli1 [7]

Answer:

300 seconds

Step-by-step explanation:

First, you have to know how much half a minute is. Half a minute is 30 seconds.

Second, you multiply 30 by 10 because he answered 10 questions.

30 * 10 = 300

So your answer is  300 seconds

Lastly, have a great day! :)

7 0
3 years ago
[Grade 7 set 1]
Veseljchak [2.6K]

Step-by-step explanation:

No it would because you have to find the number for why and the two is the power so no it not going to be.

4 0
3 years ago
Read 2 more answers
Please help!! I’m stuck on this
beks73 [17]

Answer:

B.  x = -4\,\lor \,x = -1

Step-by-step explanation:

Let \sqrt{-4-5\cdot x} = x, we solve for x by algebraic means.

1) \sqrt{-4-5\cdot x} = x Given

2) -4-5\cdot x = x^{2} Definition of power/Symmetry of equality

3) x^{2}+5\cdot x + 4 = 0 Compatibility with addition/Commutative and associative properties/Existence of additive inverse/Modulative property

4) (x+4)\cdot (x+1) = 0         x^{2}+(a+b)\cdot x +a\cdot b = (x + a)\cdot (x+b)

5) x = -4\,\lor \,x = -1 Result

Hence, the correct answer is B.

7 0
2 years ago
To investigate water quality, the Columbus Dispatch took water specimens at 16 Ohio State Park swimming areas in central Ohio. T
marishachu [46]

Answer:

mean=56.28ml

The mean is greater than most of the observations because of the two outliers

Step-by-step explanation:

mean=56.28ml

The mean is greater than most of the observations because of the two outliers.

3 0
3 years ago
Every month, Jay pays $53.42 for his internet bill. How much did he pay for internet over the past 5 months?
Zinaida [17]

Answer:

ik the answer

Step-by-step explanation:

just multiply 5 x 53.42 and the answer is 267.1

3 0
3 years ago
Read 2 more answers
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