2 years ago

Solve the equation showing all work. 3x²+5=152

Mathematics

2 answers:

kifflom [539]2 years ago

4 0

Answer:

x =±7

Step-by-step explanation:

3x²+5=152

To find x, subtract 5 from each side

3x²+5-5=152-5

3x²=147

Divide each side by 3

3x²/3=147/3

x²=49

Take the square root of each side

$\sqrt{x^{2} }=\sqrt{49}$

x =±7

Elodia [21]2 years ago

3 0

Answer:

x = 7

Step-by-step explanation:

3x²+5=152

3x²=147

x²=147/3

x² = 49

x = 7

You might be interested in

Hello can someone please help?

Ray Of Light [21]

The answer is D
Hope this helps

7 0

3 years ago

You want too earn $100 to $120 per week . What are the possible numbers of hours that you can work at the sandwich shop so that

MAXImum [283]

Depends how much your job pays you

5 0

3 years ago

The factors of 16-y² are

kondor19780726 [428]

Answer:

(4 + y)(4 - y)

Step-by-step explanation:

$16 - {y}^{2} \\ \\ = {4}^{2} - {y}^{2} \\ \\ = (4 + y)(4 - y)$

6 0

3 years ago

Let g(x) be a vertical stretch of f(x)=3x-2 by a factor of 4. Write the rule for g(x).

Minchanka [31]

This should be g(x) = 12x - 8, as multiplying 3 by 4 increases the slope.

7 0

3 years ago

What is the rule for reflecting over the y axis

vlabodo [156]

Answer:

A reflection of a point over the y -axis is shown. The rule for a reflection over the y -axis is (x,y)→(−x,y) .

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers