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satela [25.4K]
3 years ago
14

HELP ME!!! I WILL GIVE BRAINIEST!!

Mathematics
1 answer:
blsea [12.9K]3 years ago
8 0

Answer:

the coordinates are 5,-5

sorry if this doesn't help

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PLEASE HELP FOR 48 POINTS PLEASE!<br><br><br><br> show/explain your answer and work
pentagon [3]

Answer:

c  This is the direct variation

Step-by-step explanation:

The equation for direct variation is y= kx

Solving this for k

y/x =k

So y/x must be a constant

a.  9/3 =3

2/7 does not =3  so this is not a direct variation


b 1/2 = .5

-3/6 = -.5

This is not the same so this is not a direct variation


c.  27/9 =3

18/6 =3

9/3 =3

This is a direct variation with a constant of 3


d 5/-7 = -5/7

1/-3 = -1/3

This is not the same so this is not a direct variation

4 0
3 years ago
Read 2 more answers
40pts and a brainliest to the person who answers this question with detailed explanations and steps to solve shown.
Nesterboy [21]

Answer:

y = 7 sqrt(2)

Step-by-step explanation:

Since this is a triangle, we can use trig functions

sin theta = opp/ hyp

sin 45 = 7/y

y sin 45 = 7

y = 7/ sin 45

y = 7 / (1/sqrt(2) )

y = 7 sqrt(2)

4 0
3 years ago
Read 2 more answers
Liam biked for 3 hours at a speed of 8 mph and then walked the remaining part of his way at a speed of 3 mph. If the total dista
Andreas93 [3]

Answer:

2 hours

Step-by-step explanation:

First we need to know the distance Liam travelled using the bike.

If his speed was 8 mph and he travelled 3 hours, the distance travelled by bike is:

d = 8 * 3 = 24 miles

The total distance is 30 miles, so the remaining is:

30 - 24 = 6 miles

He travelled 6 miles with the speed of 3 mph, so the time walking is:

time = 6 / 3 = 2 hours

5 0
3 years ago
Write equation for the line in slope intercept form (6,4) and (3,8)
nikdorinn [45]

Answer: y = - 4x/3 + 12

Step-by-step explanation:

The equation of a straight line can be represented in the slope-intercept form, y = mx + c

Where c = y intercept

m represents the slope of the line.

m = (y2 - y1)/(x2 - x1)

y2 = final value of y

y 1 = initial value of y

x2 = final value of x

x1 = initial value of x

The line passes through (6, 4) and (3, 8),

y2 = 8

y1 = 4

x2 = 3

x1 = 6

Slope,m = (8 - 4)/(3 - 6) = 4/- 3 = - 4/3

To determine the y intercept, we would substitute x = 3, y = 8 and m= - 4/3 into y = mx + c. It becomes

8 = - 4/3 × 3 + c

8 = - 4 + c

c = 8 + 4

c = 12

The equation becomes

y = - 4x/3 + 12

5 0
3 years ago
Write the ratio as a fraction, a decimal, and a percent.<br> 51:75
irina [24]
51:75

This is the same as 51/75.

Simplify by dividing 3 to the numerator and denominator:

17/25

Divide this to get a decimal:

17 / 25 = 0.68

Now multiply by 100 to get a percent:

0.68 * 100 = 68%
6 0
3 years ago
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