3 years ago

Help me pls ill give brainliest pls dont answer if you don’t know

Mathematics

1 answer:

slamgirl [31]3 years ago

8 0

Answer:

x=2/5

Step-by-step explanation:

7x+8=12-3x

7x=12-3x-8

7x=-3x+4

7x+3x=4

10x=4

x=4/10

x=2/5

You might be interested in

Montana is known for having very chilly winters. One night, the temperature was falling by 2 degrees Fahrenheit each hour. At su

Kipish [7]

Answer:

7 hours

Step-by-step explanation:

We are given that

At sunset, the temperature=-5 degrees Fahrenheit

Each hour, temperature falling=2degrees Fahrenheit

We have to find time taken to reach the temperature -19° F.

Let x be the time time taken to reach the temperature -19° F

According to question

$-5+x(-2)=-19$

Where we taking 2 negative because temperature decreases.

$-5-2x=-19$

$-5+19=2x$

$14=2x$

$x=\frac{14}{2}$

$x=7$

Hence, it will take 7 hours for the temperature to reach -19° F.

3 0

3 years ago

MULTIPLE CHOICE

loris [4]

Answer:

18.18 mph

Step-by-step explanation:

6 0

3 years ago

May I have some help?

chubhunter [2.5K]

For whatcha problem hun

8 0

3 years ago

If the length of a rectangle is decreased by 6 cm and the width is increased by 3 cm, the result will be a square, the area of w

Serhud [2]

Answer:

252 centimeters squared is the answer.

6 0

3 years ago

PLEZ HELP ASAP

lisov135 [29]

Answer:

a median

b center

Step-by-step explanation:

The middle value of a set of numbers is the median

The mean is the average value and the range is the largest minus the smallest.

This value is a measure of the center ( or a measure of the middle)

The range is a measure of the spread

8 0

3 years ago

Read 2 more answers