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lana [24]
3 years ago
15

Find the mean of first five prime numbers.​

Mathematics
2 answers:
Burka [1]3 years ago
7 0

Answer:

5.6

Step-by-step explanation:

First five prime numbers are 2, 3, 5, 7 and 11. The mean or the average formula is = Sum/number of items = (2 + 3 + 5 + 7 +11)/5 = 5.6

sveta [45]3 years ago
3 0
I think it is 5.6 sry if I am wrong
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HELPP I'LL MARK BRAINLIESTT
Crazy boy [7]

Answer:

Jamal and Gary

Step-by-step explanation:

lets say that t=5

Jamal- 12<(5)+12     true

Gary- 6>0.5(5)     true

Nancy- 30-(5)<18     false

Hope this helps!

8 0
3 years ago
1. Are the polygons similar?
jeyben [28]

The polygons are similar.

This is because dividing the corresponding sides forms the same ratio, as shown by the three equations below

35/28 = 1.25

25/20 = 1.25

(15.5)/(12.4) = 1.25

So the larger figure on the right has side lengths that are 1.25 times larger compared to the corresponding sides of the figure on the left.

You'll need to flip the figure on the left so that the side labeled "20" is along the top, and the "28" is along the bottom.

After this flip happens, also note that the angle arc markings match up. The bottom pairs of angles of each figure are shown with a single arc, while the top angles are shown as double arcs. This helps visually show which angles pair up and are congruent to one another.

Because we have similar proportions as discussed earlier, and congruent pairs of angles like this, this shows the two figures are similar quadrilaterals. The one on the right is simply an enlarged scaled up copy of the figure on the left.

3 0
3 years ago
Solve the system of equations.<br><br> 3x – 7y = 5<br> 9y = 5x + 5
Ulleksa [173]
The answer X= -10 y= -5
Hope this is helpful
3 0
3 years ago
Which of these properties is enough to prove that a given parallelogram is also a Rectangle?
lozanna [386]

we are supposed to find

Which of these properties is enough to prove that a given parallelogram is also a Rectangle?

As we know from the theorem, if the diagonals of a parallelogram are congruent then the parallelogram is a rectangle.

The other options The diagonals bisect each other is not sufficient because in parallelogram diagonals always gets bisected , parallelogram becomes rectangles only if both the diagonals are of same length.

In a parallelogram The opposite angles and opposite sides are always equal.

Hence the correct option is

The diagonals are congruent.

3 0
4 years ago
Read 2 more answers
The ratio of boys to girls is 3:2. If there are a total of 20 children in Mrs. Nelson's class, how many are girls?​
Scilla [17]

12:8

So 12 boys

8 girls

8 0
3 years ago
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