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3 years ago

6

Given A(-1,4) B(1,5) and C(-5,3) which coordinate will make AB parallel to CD?

1 answer:

Solnce55 [7]3 years ago

7 0

I think b not sure tho

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What is the measure of an angle whose sine is√3/2 ? 60 45 30

dem82 [27]

ANSWER

The required angle is
$60 \degree$

EXPLANATION

Let the angle whose sine is
$\frac{ \sqrt{3} }{2}$
be
$x \degree$

Then

$\sin(x \degree) = \frac{ \sqrt{3} }{2}$

We take the inverse sign of both sides to obtain,

$x = \sin ^{ - 1} ( \frac{ \sqrt{3} }{2} )$

We use our scientific calculator to evaluate and obtain,

$x = 60 \degree$

8 0

3 years ago

Read 2 more answers

Find the solution to the system of linear equations y = 5x + 4 and y = −3x + 12 using the intersection method. Check your answer

Umnica [9.8K]

Answer:

The solution to the system of linear equations is (1,9).

Step-by-step explanation:

The given system of linear equations

$y=5x+4$ ... (1)

$y=-3x+12$ .... (2)

Subtract equation (2) from equation (1) to eliminate y.

$y-y=(5x+4)-(-3x+12)$

$0=5x+4+3x-12$

On combining like terms, we get

$0=(5x+3x)+(4-12)$

$0=8x-8$

Add 8 on both sides.

$0+8=8x-8+8$

$8=8x$

Divide both sides by 8.

$1=x$

The value of x is 1.

Substitute x=1 in equation (1).

$y=5(1)+4$

$y=5+4$

$y=9$

The value of y is 9.

Therefore the solution to the system of linear equations is (1,9).

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2 years ago

4 3/10<br> -<br> 2 23/100<br> _________

AVprozaik [17]

43/100 - 223/100

(43x100)-(23x100)/100x100

-18000/100000

(-18000/2000)/(100000/2000)

= -9/5 or -1 4/5

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2 years ago

The ratio of a to b is 9:2, and the ratio of c to b is 5:3. What is the ratio of a to c?

xz_007 [3.2K]

The answer is that the ratio of a to c is 9/5

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2 years ago

A spinner is divided into nine equal sections numbered 1 through 9. Predict how many times out of 270 spins the spinner is most

polet [3.4K]

Question 1: 150

Question 2: 50

Question 3: 58% chance

Question 4: Choosing a set of parallel side on a polygon.

Question 5: 1/6

Question 6: 1/5

Question 7: ?

Question 8: Rolling a number greater than 1

Question 9: 1/12

Question 10: 30

Question 11: ?

Question 12: A green marble is selected.

Hope I helped I tried as much as possible.

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2 years ago