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3 years ago

15

Jacob bought a place mat. The place mat has four sides and only one pair of parallel sides. Which could be the shape of Jacob's

place mat?

2 answers:

MArishka [77]3 years ago

8 0

Trapezoid is the best option

IgorLugansk [536]3 years ago

5 0

Possible a trapezoid, because it has four sides in total, and one one pair of parallel sides.

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Sphinxa [80]

I think it’s 6 units

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2 years ago

If tan a = 9／40<br>use trigonometric identities to find the values of sin a and cos a.

Sindrei [870]

Answer:

see explanation

Step-by-step explanation:

Given

tan a = $\frac{9}{40}$ = $\frac{opposite}{adjacent}$

We require the hypotenuse h

Using Pythagoras' identity

h² = 9² + 40² = 81 + 1600 = 1681 ( take square root of both sides )

h = $\sqrt{1681}$ = 41 , thus

sin a = $\frac{opposite}{hypotenuse}$ = $\frac{9}{41}$

cos a = $\frac{adjacent}{hypotenuse}$ = $\frac{40}{41}$

4 0

2 years ago

For every girl taking classes at the martial arts school, there are 3 boys who are taking classes. If there are 236 students tak

mart [117]

78 boys and I don't care that you don't know how to do it

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3 years ago

Read 2 more answers

Chris swam 8 laps in 112 seconds. Find the constant of proportionality to determine the number of seconds per lap. What does the

alina1380 [7]

Answer:

he can do a lap in 14 seconds

and he can swim 4 laps in 56 seconds

Step-by-step explanation:

3 0

3 years ago

Please help.. If you answer please label your answers saying which answer goes to which problem

Degger [83]

For #3
You multiply 7 by 13
its 91, so you can't have that many 7 pointers
guess and check until you see the highest number of 7 point touch downs you can get is 8, in order to be even with three 5 pointers
7*8=56
5*3=15
56+15=71

8 0

3 years ago