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Aneli [31]
3 years ago
11

N+ 8.7 = 16.2 answer choices 6.5 7.5 8.5 24.9

Mathematics
1 answer:
sasho [114]3 years ago
3 0
<span>N+ 8.7 = 16.2 
N = 16.2 - 8.7 =
N = 7.5
--------------
your answer is 7.5</span>
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A rectangular board has an area of 648 square centimeters. The triangular part of the board has an area of 162 square centimeter
maksim [4K]

Answer:

25%.

Step-by-step explanation:

Let E be the event that the dart lands inside the triangle.

We have been given that a rectangular board has an area of 648 square centimeters. The triangular part of the board has an area of 162 square centimeters.

We know that probability of an event represents the chance that an event will happen.

\text{Probability}=\frac{\text{Favorable no. of events}}{\text{Total number of possible outcomes}}

\text{Probability that dart lands inside the triangle}=\frac{\text{Area of triangle}}{\text{Area of rectangle}}

\text{Probability that dart lands inside the triangle}=\frac{162}{648}

\text{Probability that dart lands inside the triangle}=0.25

Convert into percentage:

0.25\times 100\%=25\%

Therefore, the probability that dart lands inside the triangle is 25%.

7 0
3 years ago
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Answer:

c. 61.25 kg

Step-by-step explanation:

The margin of error in estimating the true mean weight of male baluga whales in the Artic Ocean.

a. 15.31 kg

b. 51.40 kg

c. 61.25 kg

d. 80.49 kg

Margin of Error Formula= z × Standard deviation/√n

95% confidence interval = 1.96

Standard deviation = 125kg

n = 16 samples

Margin of error= 1.96 × 125/√16

= 1.96 × 125/4

= 245/4

= 61.25kg

The margin of error in estimating the true mean weight of male baluga whales in the Artic Ocean is 61.25kg

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Which of the following graphs represents a function?
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The last one

Step-by-step explanation:

If you look at a graph, none of the line should overlap each other vertically. If a graph overlaps anywhere vertically, it is not a function.

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Answer:

D Now Mark Me Brainliest Please

Step-by-step explanation:

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ziro4ka [17]
Team A: $65.45
Team B: 65.45 x 3 = $196.35
Team C: 196.35 + 20.15 = $216.50
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3 years ago
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