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Oksi-84 [34.3K]

3 years ago

8

Jerry is getting ballons for his fathers bday party if he wants each ballon string to be 9 feet long if it is sold by the yard a

nd jerry wants 63 ballons how much yards of string will he bneed

1 answer:

Zepler [3.9K]3 years ago

7 0

Answer:

567

Step-by-step explanation:

63 x 9

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Alex wants to fence in an area for a dog park. He has plotted three sides of the fenced area at the points E (1, 5), F (3, 5), a

hram777 [196]

Answer:

$(1,1)$

Step-by-step explanation:

Given: E, F, G, H denote the three coordinates of the area fenced

To find: coordinates of point H

Solution:

According to distance formula,

length of side joining points $(x_1,y_1)\,,\,(x_2,y_2)$ is equal to $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

So,

$EF=\sqrt{(3-1)^2+(5-5)^2}=2\,\,units\\FG=\sqrt{(6-3)^2+(1-5)^2}=\sqrt{9+16}=5\,\,units\\GH=\sqrt{(x-6)^2+(y-1)^2}\\EH=\sqrt{(x-1)^2+(y-5)^2}$

Perimeter of a figure is the length of its outline.

$EF+FG+GH+EH=16\\2+5+\sqrt{(x-6)^2+(y-1)^2}+\sqrt{(x-1)^2+(y-5)^2}=16\\\sqrt{(x-6)^2+(y-1)^2}+\sqrt{(x-1)^2+(y-5)^2}=16-2-5\\\sqrt{(x-6)^2+(y-1)^2}+\sqrt{(x-1)^2+(y-5)^2}=9$

Put $(x,y)=(1,1)$

$\sqrt{(1-6)^2+(1-1)^2}+\sqrt{(1-1)^2+(1-5)^2}=9\\\sqrt{25}+\sqrt{16}=9\\5+4=9\\9=9$

This is true.

So, the point $(1,1)$ satisfies the equation $\sqrt{(x-6)^2+(y-1)^2}+\sqrt{(x-1)^2+(y-5)^2}=9$

So, point H is $(1,1)$ .

7 0

3 years ago

What is the equation of a line that is perpendicular to the line that goes through the points (0, -3) and (-3, 12)?

Schach [20]

Hello,

Slope of the line passing through the points:
m=(12+3)(-3-0)=-5
Slope of the perpendicular: 1/5

==> Answer D.

3 0

3 years ago

I need help on this question!!

elena55 [62]

I think the answer is D, 28*11=308 plus the 12*14 equals 476. The answer is D

3 0

3 years ago

Which comparison is true?

MA_775_DIABLO [31]

The second one because the denominator is smaller meaning the second term is smaller and the first is bigger 2/3 > 2/4

5 0

3 years ago

Read 2 more answers

Jessica has 180 inches of ribbon. How many yards of ribbon does she have?

anyanavicka [17]

Answer:

5 yards

Step-by-step explanation:

1 yard = 36 inches

yard to inches = multiply by 36

inches to yard = divide by 36

180/36 = 5 yards

4 0

3 years ago