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dimaraw [331]
3 years ago
12

A circle has a circumference of 616 cm.

Mathematics
2 answers:
Korolek [52]3 years ago
7 0
It is a 14 cm have a great rest of your day
Ray Of Light [21]3 years ago
4 0

Answer:

π =14 cm

Step-by-step explanation:

Given:

circumference of a circle =616 cm

pie(π)=22/7

circumference of a circle=πr^2

616=22/7 *r^2

616*7/22 =r^2

4312/22 =r^2

196=r^2

\sqrt{196} =r

14 =r

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johny has a circular garden that has a radius of 4.5 meters. using the formula to find the circumference pi=3.4​
Gemiola [76]

Answer:

28.27

Step-by-step explanation:

2*3.14*4.5=28.27

3 0
4 years ago
Is 1 + 4 (3x - 10) - 12 equivalent to -9
Phoenix [80]

Answer:

No.The answer should be -4.1

Step-by-step explanation:

1+4(3x-10)-12

5(3x-10)-12

15x-50-12

15x-62

x=-62/15

x=-4.1

6 0
4 years ago
Plzzzzz help will give brain and points!!! Explain why a quadratic equation with a positive discriminant has two real solutions,
NISA [10]

Answer:

The given equation is -2x^2 = -8x + 8

This can be rewritten as 2x^2 - 8x + 8 = 0

Here the value of a =2, b = -8 and c = 8

Discriminant = b^2 - 4ac

Now plug in the above values in the discriminant, we get

= (-8)^2 - 4*2*8

= 64 - 64

= 0

Here the discriminant is 0, so we will get one real root.

The discriminant is equal to 0, which means the equation has one real number solution.

Hope this will helpful.

Thank you.

5 0
4 years ago
A staff has<br> lines and<br> spaces.
Lisa [10]

Answer:

That's true. It does have 5 lines and 4 spaces.

Step-by-step explanation:

Ion know if it's a true or false question but I hope I helped ya.

If you don't understand my answer, hmu in the comments.

<u><em>< Sarah ></em></u>

6 0
3 years ago
Johnny spend 1/7 of his income on Food, 1/10 of his income on gas, and 3/8 of his income on rent. What percentage of his income
Agata [3.3K]

Answer:

  38.2%

Step-by-step explanation:

1/7 ≈ 14.29%

1/10 = 10.00%

3/8 = 37.50%

The total that Johnny has allocated for food, gas, and rent is ...

  14.29% + 10.00% + 37.50% = 61.79%

So, the remaining amount is ...

  100% -61.79% = 38.21%

About 38.2% of Johnny's income remains.

7 0
3 years ago
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