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Mars2501 [29]
3 years ago
8

Is the answer to this problem is 11200?

Mathematics
2 answers:
hoa [83]3 years ago
6 0

Answer:

7 minutes

Step-by-step explanation:

1000 stairs in 25 minutes

280 stairs in 280*25 / 1000 = 7 minutes

const2013 [10]3 years ago
3 0

Answer:

7 mins

Step-by-step explanation:

The solution is in the attached file

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Find the value for the side marked below.
olga55 [171]

Answer:

Solution given:

angle : 80°

hypotenuse:y=?

opposite=21

we have

Sin 80=\frac{opposite} {hypotenuse}=\frac{21}{y}

doing crisscrossed multiplication

we get

y=\frac{21}{Sin 80°}

<u>y=21.32</u>

6 0
3 years ago
What's the radius of 16x^2+16y^2=1 With a center of (0,0) ?
Lena [83]

Answer:

The center is (0,0) and the radius is 1/4

Step-by-step explanation:

The formula for a circle is

(x-h)^2 + (y-k)^2 = r^2  where (h,k) is the center and r is the radius

16x^2+16y^2=1

Divide  by 16

x^2+y^2=1/16

x^2 + y^2 = (1/4) ^2

(x-0)^2 + (y-0)^2 = (1/4) ^2

The center is (0,0) and the radius is 1/4

5 0
3 years ago
Write as an algebraic expression
Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

well the answer to 14 is 7 and for 16 its 6

5 0
3 years ago
Sally has a yearly salary of $86,400 and is paid twice a month. What is her gross pay per pay period? PLEASE HELP
Citrus2011 [14]

Answer: Bi weekly is a check every 2 weeks, so she would get 26 checks per year.

Monthly would be 12 checks per year.

When she gets paid monthly her pay increased by $2,800 each check.

Let x be one bi-weekly paycheck.

12(x+2800) = 26x

12x +33600 = 26x

Subtract 12x from both sides

33600 = 14x

Divide both sides by 14:

x = 33600/14

x = 2400

Step-by-step explanation:

8 0
3 years ago
Find the value of X 150 4X-5
Nataliya [291]

Answer:

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Step-by-step explanation:

8 0
4 years ago
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