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Drupady [299]
3 years ago
6

SOMEONE PLEASE HELP FOR 15 POINTS

Mathematics
1 answer:
amid [387]3 years ago
4 0
For question two answers is 79
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Find the equation of a line in point slope form that crosses through points (3,-2) and (5,2)
madreJ [45]

-2-2=0.5(3-5)

OR (-2-2)=1/2(3-5)

3 0
3 years ago
On Martin's first stroke, his golf ball traveled 4/5 of the distance to the hole. On his second stroke, the ball traveled 79 met
Sav [38]

Answer:

0.395 kilometre

Step-by-step explanation:

Given:

On Martin's first stroke, his golf ball traveled 4/5 of the distance to the hole.

On his second stroke, the ball traveled 79 meters and went into the hole.

<u>Question asked:</u>

How many kilometres from the hole was Martin when he started?

<u>Solution:</u>

Let distance from Martin starting point to the hole in meters = x

On Martin's first stroke, ball traveled = \frac{4}{5} \ of \ total \ distance\ to\ the\ hole

                                                             =\frac{4}{5} \times x=\frac{4x}{5}

On his second stroke, the ball traveled and went to the hole = 79 meters

Total distance from starting point to the hole = Ball traveled from first stroke + Ball traveled from second stroke

x=\frac{4x}{5} +79\\ \\ Subtracting\ both\ sides\ by \ \frac{4x}{5}\\ \\ x- \frac{4x}{5}= \frac{4x}{5}- \frac{4x}{5}+79\\ \\ \frac{5x-4x}{5} =79\\ \\ By \ cross\ multiplication\\ \\ x=79\times5\\ \\ x=395\ meters

Now, convert it into kilometre:

1000 meter = 1 km

1 meter = \frac{1}{1000}

395 meters = \frac{1}{1000}\times395=0.395\ kilometre

Thus, there are 0.395 kilometre distance from Martin starting point to the hole.

8 0
3 years ago
The area of a rectangle is 65 m2 , and the length of the rectangle is 3 m less than twice the width. find the dimensions of the
salantis [7]
X = <span>width
2x-3 = </span><span>length 

</span>x(2x-3) = 65\\&#10;2x^2 - 3x - 65 = 0 \\ D=b^2-4ac=(-3)^2-4*2*(-65)=529\\&#10;x_{1,2}= \frac{-bб \sqrt{D} }{2a}= \frac{3б 23}{4} \\ x_1=-5  \ \ \O \\ x_2=6.5 \ \

width = 6.5 m
length  = 2x-3 = 2*6.5 - 3 = 10 m
4 0
3 years ago
What is the value of x ?
jolli1 [7]

Answer:

x=3

Step-by-step explanation:

180-120=60

60+15x+5+22x+4=180

69+37x=180

37x=111

x=3

4 0
3 years ago
Pleaseeee helpppp !!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!
Mnenie [13.5K]

Answer:

MQ=14

Step-by-step explanation:

The two triangles are similar

So the equation is

12/72=x/12

1/6=x/12

x=2

4 0
3 years ago
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