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2 years ago

What is the sum if 17 is added to -25?

Mathematics

2 answers:

Natasha2012 [34]2 years ago

5 0

Answer:

-8

Step-by-step explanation:

valentina_108 [34]2 years ago

4 0

Answer:

i hope im right!! :D

Step-by-step explanation:

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Find the sum of the interior angle measures of a convex 21-gon

Advocard [28]

Answer:

3420°

Step-by-step explanation:

The sum of angle measures of an n-gon is ...

angle total = (n-2)×180°

For n = 21, the angle total is ...

21-gon total = (21 -2)×180° = 3420°

7 0

3 years ago

Winner-brainliest Tell me the answer in rows Pasta 1. 2 and so on

svp [43]

Answer:

Pizza 5 4 9

Pasta 1 5 6

Salad 3 2 5

Total 9 11 20

6 0

2 years ago

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A round cake has a diameter of 30\text{ cm}30 cm30, start text, space, c, m, end text. Angela places the cake on a circular cake

VLD [36.1K]

Answer:

The circumference of the cake board is 35π cm.

Step-by-step explanation:

The question is incomplete, so the complete question is below:

A round cake has a diameter of 30 cm. Angela places the cake on a circular cake board with a diameter 5 cm longer than that of the cake. What is the circumference of the cake board? Give your answer in terms of π.

Now, to find the circumference of the cake board.

As, given diameter of cake = 30 cm.

And diameter of cake board is 5 cm longer than that of the cake.

Thus, the diameter of cake board is:

$30\ cm+5\ cm=35\ cm.$

So, to find the circumference we need radius, by putting formula:

$Radius(r)=\frac{Diameter}{2}$

$Radius(r)=\frac{35}{2}$

$Radius(r)=17.5\ cm.$

Now, to get the circumference of the cake board we put formula:

$Circumference=2\pi r.$

$Circumference=2\times \pi \times 17.5$

$Circumference=35\pi \ cm.$

Therefore, the circumference of the cake board is 35π cm.

4 0

3 years ago

What number does x stand for in this equation? -7x + 6=27

AURORKA [14]

⓵ You need to solve the left side first in order to isolate the × and find it’s value :

-7× + 6 = 27
-6 -6
↓

-7× = 21
÷-7 ÷-7

↓

× = -3

If you find it too difficult to divide a number by a negative, just divide 21 by 7 and always remember that when dividing, when the signs are different the answer is negative. So knowing that you could just divide 21 by 7, which is 3, and add a negative sign in front!

I hope this helped, if there’s anything let me know! ☻

3 0

3 years ago

Plssss help meeee!!!

pogonyaev

The answer is c b/c you multiply

3 0

2 years ago

Read 2 more answers