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just olya [345]
2 years ago
10

The equation of line QR is x + 2y = 2. What is the equation of a line perpendicular to line QR in slope-intercept form that cont

ains point (5, 6)?
A) y = negative one halfx + seventeen halves
B) y = 2x − 4
C) y = negative one halfx + seven halves
D) y = 2x + 16
Mathematics
1 answer:
Elza [17]2 years ago
7 0

Answer:

y = 2x-4

Step-by-step explanation:

x + 2y = 2

The slope intercept form is

y = mx+b where m is the slope and b is the y intercept

First find the slope of the line

2y = -x+2

Divide by 2

y = -1/2x +1

The slope of this line is -1/2

We want a line that is perpendicular, which is the negative reciprocal

-1 /(-1/2) = 2

The slope intercept form is

y = mx+b where m is the slope and b is the y intercept

y = 2x+b

Substitute the point into the line

6 = 2(5)+b

6 = 10+b

6-10 =b

-4=b

y = 2x-4

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21 feet to 8 yards write a ratio as a fraction in simplest form without any units
Dmitriy789 [7]

We know, 3 feet = 1 yard.

We have to convert feet to yards to calculate the ratio so that the final answer doesn't have any unit.

Therefore, 21 feet = \frac{21 feet}{3 feet}yards = 7 yards

Thus, the ratio

\frac{21feet}{8yards} =\frac{7yards}{8yards} =\frac{7}{8}

The fraction \frac{7}{8} is already in its simplest form.

Therefore, the given ratio as a fraction in the simplest form without any units is \frac{7}{8}

3 0
2 years ago
A tire has a diameter of 184 cm what is the circumference of the tire
viktelen [127]
Here is your answer

diameter of tyre= 184cm

So,

Circumference=\:{pi}×d

= 3.14 × 184 cm

= 577.76 cm

HOPE IT IS USEFUL
8 0
2 years ago
How could you use the Pythagorean Theorem in life
ruslelena [56]
Repairing windows when using a ladder and bushes are in the way....viewing the size if a television
3 0
3 years ago
The ratio of boys to girls in a class is 5:3. There are 32 students in the class. How many students are boys?
alina1380 [7]
Class ratio of girls to boys is 3:5
So there are 3 girls and 5 boys in 8 students
If there are 32 students, then 3/(3+5) * 32 = 12 girls, and 5/(3+5) * 32 = 20 boys


Hope it helps you?
8 0
2 years ago
My answers were wrong please help
ValentinkaMS [17]

Answer:

from the top down

y=7

y=4

y=3

y=4

y=7

Step-by-step explanation:

y=(-2)²+3

y=4+3

y=7

y=(-1)²+3

y=1+3

y=4

y=0²+3

y=0+3

y=3

y=1²+3

y=1+3

y=4

y=2²+3

y=4+3

y=7

hope this helps :)

3 0
3 years ago
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