Ask question

Ask question

All categories

svet-max [94.6K]

3 years ago

6

Sergio solved the following equation and found the answer to be x = 2. Which choice represents the best way for Sergio to check

his answer? 4x – 6 = 2

1 answer:

MrMuchimi3 years ago

6 0

The best way for him to check his answer would be to simply plug in the value found for x into the equation.

4(2) - 6 = 2

8 - 6 = 2

2 = 2

You might be interested in

A motor is 85.4 % efficient: that is, the output is 85.4 % of the input. What is the input if the motor delivers 10.75 hp. ( Rou

Ludmilka [50]

Answer:

12.6 hp

Step-by-step explanation:

Represent the input by n. 10.75 hp

Then 0.85n = 10.75 hp, and n (the input) is --------------- = 12.6 hp

0.85

5 0

4 years ago

Simplify the expression

liq [111]

9a.
(-13.2) + 8.1 = -5.1

5 0

3 years ago

What is y+2=-4(X-6) in Ax+By=C form

PSYCHO15rus [73]

Y+2=-4x+24
2=-4x-y+24
-22=-4x-y

7 0

3 years ago

(1.)Find the slope of the line that passes through the given pair of points. (If an answer is undefined, enter UNDEFINED.) (?a +

jekas [21]

Answer:

1. The slope of the line is $m=\frac{-2b+3}{2a}$ .

2. The value of a is 18.

Step-by-step explanation:

If a line passes through two points, then the slope of the line is

$m=\frac{y_2-y_1}{x_2-x_1}$

(1)

It is given that the line passes through the points (-a + 3, b - 3) and (a + 3, -b). So, the slope of the line is

$m=\frac{-b-(b-3)}{a+3-(-a+3)}$

$m=\frac{-b-b+3}{a+3+a-3)}$

$m=\frac{-2b+3}{2a}$

The slope of the line is $m=\frac{-2b+3}{2a}$ .

(2)

If the line passing through the points (a, 1) and (6, 5), then the slope of the line is

$m_1=\frac{5-1}{6-a}=\frac{4}{6-a}$

If the line passing through the points (2, 7) and (a + 2, 1), then the slope of the line is

$m_2=\frac{1-7}{a+2-2}=\frac{-6}{a}$

The slopes of two parallel lines are same.

$m_1=m_2$

$\frac{4}{6-a}=\frac{-6}{a}$

On cross multiplication we get

$4a=-6(6-a)$

$4a=-36+6a$

$4a-6a=-36$

$-2a=-36$

Divide both sides by -2.

$a=18$

Therefore the value of a is 18.

8 0

3 years ago

a baker has 6 pounds of sugar. she divides them equally into 4 containers. she then uses 1 container to bake pies.

-BARSIC- [3]

Hello,

<span>6 pounds of sugar ÷ 4 containers = 1.5 of sugar.
1.5 of sugar was used to make the pie.</span>

5 0

3 years ago