3 years ago

Kristen made sails for a model boat. She cut along the diagonal of a rectangular piece of cloth to make two sails, shown.

Mathematics

1 answer:

larisa [96]3 years ago

5 0

Answer:

2 1/3 ft^2

Step-by-step explanation:

Take the area of the rectangle

A = l *w

4 * 1 1/6

4 * 7/6

28/6

Divide this in half since the rectangle is cut in half by using the diagonal

28/6 *1/2

28/12

7/3

Changing to a mixed number

2 1/3

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Step-by-step explanation:

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Read 2 more answers

The graph shows the location of point P and point R. Point R is on the y-axis and has the same y-coordinate as point P. Point Q

Mumz [18]

Answer:

n = 5

Step-by-step explanation:

Coordinate of P = (n,3)

R is on y-axis & the y-coordinate of P & R are equal. So coordinate of R = (3,0)

Coordinate of Q = (n,-2)

Using distance formula,

Distance between P & Q =

$\sqrt{ {( n - n}) ^{2} + {( 3- ( - 2) })^{2} }$

$= > \sqrt{ {(3 + 2)}^{2} } = \sqrt{ {5}^{2} } = 5$

Distance between P & R =

$\sqrt{ {(n - 0)}^{2} + {(3 - 3)}^{2} }$

$= > \sqrt{ {n}^{2} } = n$

But in question it is given that distance between P & Q is equal to the distance between P & R. So,

$n = 5$

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3 years ago

A cruise ship is traveling at 20 miles per hour. Use a direct variation formula to calculate the number of miles traveled in 7 h

34kurt

It would be 20*7 which will give you 140 miles in 7 hours

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3 years ago

What number is 80% of 90?

Lerok [7]

The answer is 72

b/c 80% is equal to .80

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