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3 years ago

What is 75 percent of 225?

Mathematics

1 answer:

goldfiish [28.3K]3 years ago

5 0

75 percent of 225 is 168.75

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I need help please I have homework

saw5 [17]

Answer:

Rectangle: 8.2 times 4.1 times 3.7 = 124.39

Pyramid: 13.49

Pyramid top: 318.5

bottom: 150

6 0

3 years ago

Please help me for this question

Nezavi [6.7K]

Answer:

Mid-point: $(0,-5)$

Equation: $y=\frac{7}{3}x-5$

Step-by-step explanation:

To find the mid-point of AB, simply add up their x and y coordinates and divide by 2 respectively to find their middle point.

$(\frac{{x__A}+{x__B}}{2},\frac{{y__A}+{y__B}}{2})$

$(\frac{{-7}+{7}}{2},\frac{{-2}+{(-8)}}{2})$

$(0,-5)$

To find the perpendicular slope that passes through the mid-point, we need to know the slope between AB first.

Slope of AB: $\frac{{y__2}-{y__1}}{{x__2}-{x__1}}$ = $\frac{{-8}-{-2)}}{{7}-{(-7)}}$ = $\frac{-6}{14}$ = $\frac{-3}{7}$

Multiplying slopes that are perpendicular with each other always results in -1.

$\frac{-3}{7}*m = -1$

$m=\frac{7}{3}$

By the point slope form:

$({y}-{y__1})=m({x}-{x__1})$

Plug in the coordinates of the mid-point:

$({y}-{(-5)})=\frac{7}{3} ({x}-{0})$

Equation: $y=\frac{7}{3}x-5$

6 0

3 years ago

-3(x-2) + 3x=9<br> -3(x-2) + 3x=9

Masja [62]

Answer:

No Solution

Step-by-step explanation:

There are no values of x that make the equation true.

8 0

3 years ago

Which price is equivalent to $1.50 for 1 pound of apples?

Lady bird [3.3K]

Answer: $3.00 for 2 pounds of apples

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

GUYSSS PLSSS HELP ME WITH THIS QUESTION :))

Mrac [35]

Answer:

Step-by-step explanation:

1) if to solve the first inequation, tnen 3x<52; ⇔ x<52/3;

2) if to solve the seconde inequation, then 2x≥24; ⇔ x≥12.

3) according to the items 1 and 2 x∈[12;52/3);

4) the largest prime number is 17.

3 0

3 years ago