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Sergeu [11.5K]
3 years ago
15

C = ? when d = 25 m. (C = circumference) (d = diameter)

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
6 0

Answer:

12.5m

Step-by-step explanation:

I don't wanna type it lmco (laughing my cheeks off)

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Please answer all<br><br> Ty
Korolek [52]

Q16: $1.68

Q17: $77.40

Q18: 2.97500 millimeters

Q19: $34.56

Q20: $9.52

5 0
4 years ago
Read 2 more answers
Select the answer that expresses the result of this calculation with the correct number of significant figures. 13.602 x 1.90 x
Marta_Voda [28]

Solution:

Given expression:  (\frac{13.602*1.90*3.06}{4.2*1.4097})

= \frac{79.1}{5.9}

= 13

In the expression of 13.602*1.90*3.06 will have only 3 significant figure because the number 1.90 has only 3 significant figure .

In the expression of 4.2*1.4097 will have only 2 significant figure because the number 4.2 has only 2 significant figure.

In the result of 79.1/5.9 will have only 2 significant figure because the number  5.9 has only 2 significant figure.

Hence, in the result there are only 2 significant figure.

4 0
4 years ago
I'd greatly appreciate the help-
dem82 [27]

Answer:

The 3rd option

Step-by-step explanation:

To prove that 2 triangles are similar, we need to prove that 2 pairs of their angle measurements are congruent.

This is because all triangles have 180 degrees, so if 2 pairs are congruent, the remaining angles will also be congruent

We know that m<D=m<E

We also know that m<DCA=m<ECB because they are vertical angles.

Vertical angles are always congruent.

Therefore, the triangles are similar.

The correct similarity statement would be 1, since <D corresponds with <E.

Now let's look at the 3rd Statement. To prove that two lines are similar, we would have to prove that their alternate interior angles are congruent.

A pair of alternate interior angles would be <D and B or or <E  and <A

There is no way to prove this, since we do not know any of the angle  or that measurements or if the triangles are isosceles triangles.

Hence, the correct choice would be 1 only.

7 0
3 years ago
Which expression is equivalent to (82)−4?
fomenos

(8^2)^-4 = 1/8^8

answer

C-1 over 8 times 8 times 8 times 8 times 8 times 8 times 8 times 8

5 0
3 years ago
Read 2 more answers
Question 7: Find the value of x. The numbers below are in degrees.<br> 140<br> S<br> 50<br> 20
Lyrx [107]

Given:

A figure.

To find:

The value of x.

Solution:

Draw two parallel lines as shown in the below figure.

If a transversal line intersect two parallel lines, then alternate interior angles are same.

a=20              (Alternate interior angle)

d=b              (Alternate interior angle)           ...(i)

The value of angle d is

d=50-a

d=50-20

d=30

Using (i), we get

b=30

If a transversal line intersect two parallel lines, then same sides interior angles are supplementary angles.

c+140=180

c=180-140

c=40

Now,

x=b+c

x=30+40

x=70

Therefore, the value of x is 70.

8 0
3 years ago
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