3 years ago

The square root of four more than three times a number is seven. Find the number.

Mathematics

2 answers:

faltersainse [42]3 years ago

5 0

Answer:

Yup the answer is 15!

Step-by-step explanation:

(3x + 4)^(1/2) = 7

3x + 4 = 49

3x = 45

x = 15

pentagon [3]3 years ago

3 0

Answer:

15.

Step-by-step explanation:

√(3x + 4) = 7

Square both sides:

3x + 4 = 49

3x = 49 - 4 = 45

x = 45/3 = 15.

You might be interested in

I really need help please<br> Will give you a thanks and make you the brainliest!

kolbaska11 [484]

Answer:

a= 2s +3t

b= -m+4

c= a+2b+c

d= 2x-1

e= x squared + 3x +6

f= 4t-2st-s

3 0

3 years ago

PLEASE ANSWER FAST 11 POINTS TO WHOEVER DOES WILL GET BRAIN LISTED PLEASE ANSWER I NEED THIS ASAP

dmitriy555 [2]

Answer: Yes, Raoul is correct because the initial value, also known as the y-intercept of function A is 0 and function B is 3.

Step-by-step explanation: The initial value is when x=0.

3 0

3 years ago

Read 2 more answers

(3x²+6)(3x²-6) please help

givi [52]

Answer:

9x^4 -36

Step-by-step explanation:

see image below:)

4 0

3 years ago

A bakery charges two different prices for desserts. The table shows the number of cupcakes and the number of cookies sold in the

andreev551 [17]

Answer:

hope this helps

Step-by-step explanation:do not need one really

8 0

3 years ago

How can we solve proportions? ( 2 words)

Vilka [71]

Answer:

Equality

Inequality

Step-by-step explanation:

3 0

4 years ago