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Andrew [12]
3 years ago
10

If 25% of a number is 20, what is 60% of the number

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
8 0
Set up a proportion, 20 over 25% and x over 60% a
Iteru [2.4K]3 years ago
7 0

Set up a proportion, 20 over 25% and x over 60% and the answer is 48

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The mean of a set of numbers is 8, and the mode is 9.
ryzh [129]
You can start by looking at the mode of the set of number automatically b and d are eliminated. We then proceed to calculate the mean so add all the numbers in A so it’ll be, 52 then divide by the amount of numbers in the set so 6. 52/6 =8.6
And C ends up being 48 so 48/6 = 8
Therefore your answer is C
5 0
2 years ago
The sum of two consecutive even numbers is 210.
WITCHER [35]

Answer:

104, 106

Step-by-step explanation:

Hello!

A consecutive number is a number that comes after the other.

Let the first even integer be x. Since there is an even integer for every two integers, the second number should be x + 2.

<h3>Solve for x</h3>
  • (x) + (x + 2) = 210
  • x + x + 2 = 210
  • 2x + 2 = 210
  • 2x = 208
  • x = 104

The second number is x + 2, so it would be 106.

6 0
1 year ago
Read 2 more answers
What is the y-intercept of the line shown below? <br> A. 5<br> B. -5<br> C. 2<br> D. -2
lys-0071 [83]

Answer: -2

Step-by-step explanation: The y-intercept of a line is the point where the graph crosses or intersects the y-axis.

In this case, the line crosses the y-axis 2 units down from the

origin and we can write the coordinates of the point as (0, -2).

So the answer is -2.

3 0
2 years ago
Read 2 more answers
PLEASEEEEEEEEEEEE HELPPPPP BRAINLIEST
jenyasd209 [6]

Answer:

A≈527.79

Step-by-step explanation:

A=2πrh+2πr2

Brainly plss

6 0
3 years ago
Read 2 more answers
Assume that blood pressure readings are normally distributed with a mean of 123 and a standard deviation of 9.6. If 144 people a
Vanyuwa [196]

Answer:

The probability is 0.9938

Step-by-step explanation:

In this question, we are asked to calculate the probability that the mean blood pressure readings of a group of people is less than a certain reading.

To calculate this, we use the z score.

Mathematically;

z = (mean - value)/(standard deviation/√N)

From the question, we can identify that the mean is 125, the value is 123 , the standard deviation is 9.6 and N ( total population is 144)

Let’s plug these values;

z = (125-123)/(9.6/√144) = 2.5

Now we proceed to calculate the probability with a s score less than 2.5 using statistical tables

P(z<2.5) = 0.9938

8 0
3 years ago
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