3 years ago

7 1/15 - 3 4/5

Mathematics

1 answer:

nirvana33 [79]3 years ago

8 0

Answer:

3 4/15

Step-by-step explanation:

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Since it is a parallelogram cente at point T, then the measure of PT is equal to the measure of TR. And the measure of QT is equal to the measure of TS.

PT = TR

a + 4 = 2a

4 = 2a -a

a = 4

PT = TR = 8 units

QT = TS

b = 2b -3

3 = 2b – b

b = 3

<span>QT = TS = 3 units</span>

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Answer:

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Step-by-step explanation:

The three streets at the intersection form a right triangle.

For a right triangle, the length of the longest side (called hypothenuse) is given by Pythagorean's theorem:

$h=\sqrt{x^2+y^2}$

where

x is the length of the 1st side

y is the length of the 2nd side

h is the length of the hypothenuse

Here we want to find the hypothenuse.

We have:

x = 42 yd (length of the 1st side)

y = 56 yd (length of the 2nd side)

Substituting, we find h:

$h=\sqrt{42^2+56^2}=70 yd$

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Answer:

y=42-x

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Step-by-step explanation:

x=42-y

Subtract y from both sides of the equation

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