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Wittaler [7]
2 years ago
8

PLS HELP!!! No links pls and Ty <3333

Mathematics
1 answer:
umka2103 [35]2 years ago
4 0

Answer:

The area is 176.6

Step-by-step explanation:

The formula for the area of a circle is "πr²"

This means you square the radius, and multiply it by pi.

Our diameter is 15, and the radius is half of the diameter.

15 ÷ 2 = 7.5

Next, we square the radius. (7.5)

Let's fill it into the formula.

π7.5²

After squaring, it's this:

π56.25

In your question, pi is 3.14, so let's replace that.

(3.14)56.25

After multiplying we get 176.625, after we round, we get 176.6

176.6 is the area.

Brainliest please?  

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Which point is a solution to the system of inequalities graphed here? y ≤ 2x 2 y ≥ -5x 4
Mandarinka [93]

The point that is a solution to the system of inequalities is (5, 0)

<h3>How to determine the points on the solution?</h3>

The system of inequalities is given as:

y ≤ 2x + 2

y ≥ -5x + 4

Next, we test the given options.


From the list of options, we have

(x, y) = (5, 0)

Substitute (x, y) = (5, 0) in y ≤ 2x + 2 and y ≥ -5x + 4

y ≤ 2x + 2

0 ≤ 2 * 5 + 2

0 ≤ 12 -- this is true

y ≥ -5x + 4

0 ≥ -5 * 5 + 4

0 ≥ -21 -- this is true

Since both results are true, then it means that the point that is a solution to the system of inequalities is (5, 0)

Read more about system of inequalities at:

brainly.com/question/24372553

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<u>Complete question</u>

Which point is a solution to the system of inequalities graphed here? y ≤ 2x + 2

y ≥ -5x + 4

A. (1,6)

B. (-6,0)

C. (0,5)

D. (5,0)

7 0
1 year ago
Find the difference.<br>(2n - 9) - 5(-2.4n + 4) =​
MArishka [77]

Answer:

14n - 29

Step-by-step explanation:

First you'd distribute in the parentheses by -5. -5 × -2.4n and -5 × 4 which you would get 12 and -20.

Then, bring everything down and combine like terms. 2n + 12n = 14n || -9 - 20 or -9 - (-20) = -29. 14n - 29 is the lowest you can simplify because you can subtract a variable and a constant together.

5 0
2 years ago
3x + 9 = -45 step by step please
MissTica

Answer:

x=- 18

Step-by-step explanation:

3x+9= -45

3x=-45-9

3x=-54

x=-54/3

x= -18

7 0
2 years ago
Solve the inequality -5(x+2.5)≤-25
Alja [10]

Answer:

-12.5x <u><</u> -25

hope this helps :) plz brainliest

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
ILL MARK BRAINLIEST
Olin [163]

Answer:

for 31/34 is the answer for eye color

Step-by-step explanation:

2 + 1 =3

34-3=31

31 out of the 34 students have neither blue or brown eyes.

31/34

3 0
3 years ago
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