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3 years ago

Please help me is for my homework

Mathematics

2 answers:

MArishka [77]3 years ago

8 0

Answer:

it's 50% because it's half the circle

jek_recluse [69]3 years ago

7 0

Answer:

50%

Step-by-step explanation:

so 1 half is colored in so 1/2 is also 50%

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1) A tank can be filled by one pipe in 9 minutes and drained by another pipe in 12 minutes. Write an equation that could be used

Triss [41]

Answer:

1). 1/9 - 1/12 = 1/t

2). 36 minutes

3). 24 hours

4). 30 quarts of Type A cream and 60 quarts of Type B cream are needed

Step-by-step explanation:

8 0

3 years ago

Mr. Rives' rotating sprinkler waters his lawn up to a radius of 7 feet. What is the maximum number of square feet of lawn mr. Ri

zaharov [31]

Answer:

Step-by-step explanation:

Mr. Rives' rotating sprinkler waters his lawn up to a radius of 7 feet. The formula for determining the area of a circle is expressed as

Area = πr²

Where

π is a constant whose value is 3.14.

r represents the radius if the circle.

The area covered by one of Mr. Rives' rotating sprinkler would be

3.14 × 7² = 3.14 × 49 = 153.86ft²

Therefore, the maximum area of lawn that two sprinklers can cover would be

153.86 × 2 = 307.72 ft²

3 0

3 years ago

5. Mis the midpoint of CD. C has coordinates (-1,-1) and

lana66690 [7]

Answer/Step-by-step Explanation:

4. Midpoint (M) of AB, for A(-2, -3) and B(1, 2) is given as:

$M(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2})$

Let $A(-2, -3) = (x_1, y_1)$

$B(1, 2) = (x_2, y_2)$

Thus:

$M(\frac{-2 + 1}{2}, \frac{-3 + 2}{2})$

$M(\frac{-1}{2}, \frac{-1}{2})$

5. Given M(3, 5) as midpoint of CD, and C(-1, -1),

let $C(-1, -1) = (x_2, y_2)$

$D(?, ?) = (x_1, y_1)$

$M(3, 5) = (\frac{x_1 +(-1)}{2}, \frac{y_1 +(-1)}{2})$

Rewrite the equation to find the coordinates of D

$3 = \frac{x_1 - 1}{2}$ and $5 = \frac{y_1 - 1}{2}$

Solve for each:

$3 = \frac{x_1 - 1}{2}$

$3*2 = \frac{x_1 - 1}{2}*2$

$6 = x_1 - 1$

$6 + 1= x_1 - 1 + 1$

$7 = x_1$

$x_1 = 7$

$5 = \frac{y_1 - 1}{2}$

$5*2 = \frac{y_1 - 1}{2}*2$

$10 = y_1 - 1$

$10 + 1= y_1 - 1 + 1$

$11 = y_1$

$y_1 = 11$

Coordinates of D is (7, 11)

7 0

3 years ago

Is 3.2 irrational or rational?

Levart [38]

Answer:

rational

Step-by-step explanation:

A rational number has the form

$\frac{x}{y} \frac{a}{b}$ ← where a and b are integers

3.2 = $\frac{32}{10}$ ← a rational number

6 0

3 years ago

Read 2 more answers

PLZ HELP ASAP RIGHT TRIANGLES

Galina-37 [17]

6.02 because you divide
4.3 ÷ 4= 1.075
Now multiply 1.075 × 5.6 = 6.02

4 0

3 years ago

Read 2 more answers

Please help me is for my homework​

Please help me is for my homework