3 years ago

how do you solve -2.8k-4.31=-15.79 or 1.9m-3=-12.31 or 2.1a+1.4=-14.245 or 3.8n-4.8=-21.9 ?

1 answer:

5 0

Consider posting each question separately, please.

Given <span>-2.8k-4.31=-15.79 :

1) Isolate the "k" term on the left by adding 4.31 to both sides of this equation.
2) Simplify the right side.
3) Divide both sides by -2.8 and you'll have the answer: k = ?</span>

You might be interested in

The surface area (SA) of a cube with a as the length of each of its sides is given by the formula . If the surface area is known

nignag [31]

Answer:

Step-by-step explanation:

1 surface area of the cube is s*s.

There are 6 faces on such a cube.

Area = 6*s^2 Divide by 6

Area/6 = 6s^2 / 6 Do the divsion

Area/6 = s^2

s = sqrt(area/6)

4 0

3 years ago

!!!! Help! I don’t know this I’m so bad at math please help !!!

Sedaia [141]

Answer:

if X = -2 then

required answer is 41

8 0

2 years ago

Read 2 more answers

Solve - 9/2y=27/2 for y.

dedylja [7]

Answer:

It’s y = 3

Step-by-step explanation:

Solve for y by simplifying both sides of the equation, then isolating the variable.

5 0

3 years ago

Correct one gets Brainly :D (pls help)

8090 [49]

Answer:

i wanna say 30 cm?

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

I only have limited time please help

belka [17]

Answer:

b. 10

Step-by-step explanation:

5 0

3 years ago