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3 years ago

11

Can you please answer these 3 questions im having a hard time rn and i just need to relax but i really need to get this done, pl

ease help me.

1 answer:

Yanka [14]3 years ago

4 0

Answer:

1. Infinitiely many solutions, one solution, no solutions

2.

y=-3/2x-4

y= x+1

3.

y=1/4x-2

y=1/4x+3

Step-by-step explanation:

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ANSWER FAST!!!!!!!

Lemur [1.5K]

Answer:

The angle between the 190 ft. side and the 330 ft. side is $57.9^o$

Step-by-step explanation:

<u>The Law of Cosines</u>

When we know the value of all sides of a triangle, we can compute all of its interior angles by using the Law of Cosines, which is a generalization of the Pythagoras's theorem. If a,b, and c are the known sides of a triangle and $\alpha$ is the angle formed by sides a and b (opposite to c), then

$\displaystyle c^2=a^2+b^2-2ab\ cos\alpha$

We'll use the values a=190, b=330, c=280 because we want to compute the angle opposite to c

$\displaystyle cos\alpha =\frac{a^2+b^2-c^2}{2ab}$

$\displaystyle cos\alpha =\frac{190^2+330^2-280^2}{2(190)(330)}$

$\displaystyle cos\alpha =\frac{36100+108900-78400}{125400}$

$\displaystyle cos\alpha =\frac{66600}{125400}=0,5311$

$\displaystyle \alpha= arccos\ 0.5311$

$\boxed{\displaystyle \alpha= 57.9^o}$

5 0

3 years ago

What is five multiplied by six hundred ten

Vlad [161]

It's three thousand and fifty

3 0

3 years ago

PLEASE HURRY <br> Solve for x -2(x + 4) = 16

Hatshy [7]

Answer:

=−24 hope this helps!!

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

Dividing the sum of 3 7/8 and 2 11/16 by 5/8 yields which value?

Vladimir [108]

3 7/8 + 2 11/16= 6 9/16

5 0

3 years ago

find the volume of a cone has a radius of 8 inches and a height of 10 inches round the answer to the nearest hundredth

Vinvika [58]

Answer:

669.9cm³

Step-by-step explanation:

V

=

π

r

2

h

3

3.14× 8²× 10/3= 669.86

6 0

3 years ago