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WARRIOR [948]
3 years ago
7

I need help please!!

Mathematics
1 answer:
vova2212 [387]3 years ago
8 0

Answer:

5

Step-by-step explanation:

You might be interested in
Write an equation of a line parallel to the line
Airida [17]

Answer: y = -2x - 5

Step-by-step explanation:

The condition for parallelism is that m1 = m2 ie, the gradient of the two lines must be equal.

from the equation given,

y =  -2x  + 8, m1 = -2, therefore m2 = -2. Since the two line passes through the coordinate of (-1, -3 ) , we substitute  for x and y in the equation of a line

y = mx + c to get the value of  , the y - intersect.

-3 = -2 x -1 + c

-3 = 2 + c

solve for c

c = -3 - 2

c = -5.

now , to have the equation of the line , we put c = -7 into the equation

y = mx + c

y = -2x  - 5

Therefore the equation of the line parallel to the line

y = -2x + 8 is

y = -2x - 7

4 0
3 years ago
Can anyone help me get the correct answer?
Andreyy89

Answer:

Sorry

Step-by-step explanation:

I don't know the answer

5 0
2 years ago
Which of the following are solutions to the inequality, 16 < 15 x − 12 ? Select all that apply.
aalyn [17]

Answer:

<u>25/7, 1.87, </u><u>3.25</u><u>,</u><u> </u><u>and</u><u> </u><u>2</u><u>2</u><u>/</u><u>7</u>

Step-by-step explanation:

16 < 15x - 12

__________

+12. +12

__________

28 < 15x

__________

÷15 ÷15

__________

28/15 < x

__________

<u>x > 28/15</u>

__________

this is true for any number greater than 1 and 13/15 = 1.8666......

3 0
3 years ago
Read 2 more answers
Maria is 8 years older than her brother, and the sum of their ages is 72 years. How old is her brother?
Elena L [17]

Answer:

32

Step-by-step explanation:

3 0
3 years ago
The length,AB of the rectangular lot is 1 foot less than two times its width, BC. If the perimeter of the rectangular lot 394 fe
r-ruslan [8.4K]

Answer:

AB=131\ ft

Step-by-step explanation:

we know that

The perimeter of the rectangular lot is

P=2(AB+BC) ----> equation A

where

AB is the length

BC is the width

we have

AB=2BC-1 ---> equation B

P=394\ ft ----> equation C

substitute equation B and equation C in equation A

394=2(2BC-1+BC)

solve for BC

394=2(3BC-1)

394=6BC-2

6BC=396

BC=66\ ft

<em>Find the value of AB</em>

AB=2BC-1

AB=2(66)-1

AB=131\ ft

6 0
3 years ago
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