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3 years ago

4 2/3 divided by 1/2

Mathematics

2 answers:

Andrej [43]3 years ago

8 0

Answer:

the answer is 28/3 in exact form, 9.3 in decimal form and 9 1/3 in mixed number form. I hope it helps!

Kamila [148]3 years ago

5 0

Answer:

28/3

Step-by-step explanation:

i hope this helps lol!! :))

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A circle has an equation (x+2)2+(y−5)2=64. What is 34 of its area.

skad [1K]

Answer:

3/4 of the area of the circle is of $48\pi$ squared units.

Step-by-step explanation:

Equation of a circle:

The equation of a circle has the following format:

$(x - x_0)^2 + (y - y_0)^2 = r^2$

In which the center is $(x_0,y_0)$ and r is the radius.

Area of a circle:

The area of a circle of radius r is given by:

$A = \pi r^2$

Circle (x+2)² + (y-5)² = 64

Comparing with the standard equation, we have that:

$r^2 = 64$

Area of the circle:

$A = \pi r^2 = 64\pi$

What is 3/4 of its area?

$\frac{3A}{4} = \frac{3*64\pi}{4} = 3*16\pi = 48\pi$

3/4 of the area of the circle is of $48\pi$ squared units.

8 0

3 years ago

Recall the formula for finding the area of a rectangle. Define a variable for the width and set up an equation to find the dimen

ki77a [65]

The length of rectangle is 41 inches and width is 31 inches

Step-by-step explanation:

Let W be the Width of rectangle

Then

According to "the length is 10 inches longer than its width"

L = W+10

Then according to formula of perimeter

$2L+2W=144\\2(W+10)+2W=144\\2W+20+2W=144\\4W+20=144\\Subtracting\ 20\ from\ both\ sides\\4W+20-20=144-20\\4W=124\\Dividing\ both\ sides\ by\ 4\\\frac{4W}{4}=\frac{124}{4}\\W=31\ inches\\L=W+10 = 31+10 = 41\ inches$

The length of rectangle is 41 inches and width is 31 inches

Keywords: Perimeter, Linear Equations

Learn more about rectangles at:

#LearnwithBrainly

6 0

3 years ago

Read 2 more answers

In a school, only 13 out of 15 student participate in a competition.what is the probability of the student who do not makes it t

Papessa [141]

Answer:

$\frac{2}{15}$

Step-by-step explanation:

Number of students participating in the competition = 13.

Total number of students in the school = 15.

Thus ,

the number of students who did not make to this competition =

Total number of students - number of students participated

= 15-13 = 2.

Now ,

probability of the student who do not makes it to the competition

= fraction of students who did not make to this competition from the total number of students .

= $\frac{2}{15}$ .

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4 years ago

The right isosceles triangle PQR has vertices P(3, 3), Q(3, 1 and R(x, y) and is rotated 90 degrees counterclockwise about the o

nydimaria [60]

Since the triangle is isosceles, the two legs have equal length. The coordinates of two vertices are given
P(3,3)
Q(3,1)
Assuming that PQ and QR are the legs of equal length, the distance between Q and R must be the same as the distance between P and Q
d = √[(3-3)² + (3-1)²
d = 2
Therefore, the coordinates of P is
(5,1)

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4 years ago

The ratio of the sides of a triangle is 8:15:17. Its perimeter is 480 inches. Find the length of each side of the triangle.

andreev551 [17]

Answer:

96:180:204 inches

Step-by-step explanation:

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3 years ago