Helpppppppppppppppppppp

Two less than the product of 8 and a number is 8

Eva8 [605]

Answer:

x=1.25

Step-by-step explanation:

Let us replace the number with the variable "x". You will then get this equation:

8x-2=8

Move the -2 to 8 and you would get the equation:

8x=8+2

Simplify:

8x=10

Simplify:

x=10/8

You would then get the answer "x=1.25"

I hope this helps :)

3 0

2 years ago

Solve. You must factor first. 5x^2+ 17x+ 14=0 Please show work

Soloha48 [4]

Answer:

the answer is X=-3

1) 5x^2+17x+14=0

2)5x^2+17x=-14+0

3)25x+17x=-14

4)42x=-14

5)42x/-14

6)x=-3

4 0

2 years ago

If the weight of 2,290 steel balls is 3.18 kg, find the number of balls in 8.87 kg.

olga2289 [7]

Answer:

2290 steel balls weigh 3,180 grams so each ball weighs 1.3886462882

grams. If you had a 8.87 kilograms of those balls they would number

8,870 grams / 1.3886462882 = 6,388 steel balls

Step-by-step explanation:

4 0

2 years ago

Somebody please help me

lara31 [8.8K]

-6 ≥ 10 - 8x Subtract 10 from both sides
-16 ≥ -8x Divide by -8 to both sides
x ≥ 2 your answer is c

5 0

3 years ago

How many liters each of a 35% acid solution and a 80% acid solution must be used to produce 60 liters of a 65% acid solution? (R

serg [7]

Solving a system of equations we will see that we need to use 40 liters of the 80% acid solution, and the other 20 liters are of the 35% acid solution.

<h3>How many liters of each solution do we need to use?</h3>

First, we need to define the variables:

x = liters of the 35% acid used.
y = liters of the 80% acid used.

We know that we want to produce 60 liters of 65% acid, then we have the system of equations:

x + y = 60

x*0.35 + y*0.80 = 60*0.65

(in the second equation we wrote the percentages in decimal form).

To solve this we need to isolate one of the variables in one equation and then replace it in other one, isolating x we get:

x = 60 - y

Replacing that in the other equation:

(60 - y)*0.35 + y*0.80 = 60*0.65

y*(0.80 - 0.35) = 60*(0.65 - 0.35)

y*0.45 = 60*0.30

y = 60*0.30/0.45 = 40

So we need to use 40 liters of the 80% acid solution, and the other 20 liters are of the 35% acid solution.

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

7 0

1 year ago