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3 years ago

Please help!!! will give brainlest!

Mathematics

1 answer:

storchak [24]3 years ago

3 0

Picture isn’t clear darling

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2. The cost of 5 pen is Rs 1200, find the cost of 1 pen.

loris [4]

Step-by-step explanation:

cost of 5 pen is Rs 1200,

cost of 1 pen is 1200/5 = Rs 240

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3 years ago

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Please need now! A. Compute for the average speed Average Speed = distance travelled time taken 1. A bus travels a distance of 3

Aleksandr [31]

Answer:

Step-by-step explanation:

1. 60 11. 33 km

2. 500 12. 200 km

3. 5 13. 67.5 km

4. 20 14. 600 km

5. 9 15. 30 km

16. a.400 km

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2 years ago

Which angle in this quadrilateral has a measure closest to 63 degrees?

WITCHER [35]

Probably C because it’s the smallest one

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3 years ago

A 175-inch pipe is cut into two pieces. One piece is four times the length of the other. Find the length of the shorter piece.

nlexa [21]

Answer:

Step-by-step explanation:

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3 years ago

Prove the diagonals of the square with vertices P (0,4), Q (4,4), R (0,0) and S (4,0) are perpendicular bisectors of each other.

Aneli [31]

Answer: The slope of diagonal PS is -1. The The slope of diagonal QR is 1. The midpoint of PS is (2,2). Midpoint of QR is (2,2).

Explanation:

The given vertices are P (0,4), Q (4,4), R (0,0) and S (4,0).

If a line passing through the point $(x_1,y_1)$ and $(x_2,y_2)$ , then the slope of the line is,

$m=\frac{y_2-y_1}{x_2-x_1}$

The slope of diagonal PS is,

$m_1=\frac{0-4}{4-0}= \frac{-4}{4} =-1$

The slope of diagonal QR is,

$m_2=\frac{0-4}{0-4}= \frac{-4}{-4} =1$

The slope of both diagonals are 1 and -1, therefore the product of their slopes is -1. So, the diagonals are perpendicular to each other.

The formula for midpoint is,

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

The midpoint of PS is,

$\text{midpoint of PS}=(\frac{0+4}{2} ,\frac{4+0}{2})=(2,2)$

The midpoint of QR is,

$\text{midpoint of QR}=(\frac{4+0}{2} ,\frac{4+0}{2})=(2,2)$

The midpoint of both diagonals are same, therefore diagonals are bisecting each other.

Therefore, the slope of diagonal PS is -1. The The slope of diagonal QR is 1. The midpoint of PS is (2,2). Midpoint of QR is (2,2).

5 0

3 years ago

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