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jasenka [17]
3 years ago
14

Which statement describes how to solve √(3x+4)=√3x+4?

Mathematics
2 answers:
PolarNik [594]3 years ago
7 0

Answer:

C.) Square both sides twice and then solve the resulting linear equation.

Step-by-step explanation:

We are given a equation:

  \sqrt{3x+4}=\sqrt{3x}+4

On squaring both sides, we get

  3x+4=3x+16+8\sqrt{3x}

=  8\sqrt{3x}=-12

again on squaring, we get

  64\times 3x=144

⇒   x=3\4

Hence, solving this equation required Squaring both sides twice and then solving the linear equation

Hence, Correct option is:

C.) Square both sides twice and then solve the resulting linear equation.

Bezzdna [24]3 years ago
6 0
C is the best choice
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11. You are asked to put a V-shaped roof on a house. The slope of the roof is 53°. What is the measure of the angle needed at th
Anestetic [448]
The question said that it told you the base angles. A roof would have two equal base angles. The base angles= 53

All the angles of a triangle each 180, (the roof is shaped like a triangle)

So, let's make x the missing angle.

53(2)+x=180

106+x=180

Subtract 106 on both sides.

180-106= 74

The vertex angle is 74.

I hope this helps!
~cupcake
4 0
3 years ago
Read 2 more answers
Yvonne wants to cover the back of her smartphone with a decorative pattern. If the phone's length is 12 foot and width is 16 foo
Schach [20]

Answer:

192 square meters

Step-by-step explanation:

Imma assume her phones a rectangle, so you're gonna length times width

L x W = area

12 x 16 = area

192 = area

8 0
2 years ago
Ann and ben had some apples. The ratio of the number of Ann's apples to the ratio of Ben's apple is 2:3. Ann gave 6 apples to be
aleksklad [387]

Answer:

There are 12 apples in total.

Step-by-step explanation:

If Anne gave Ben 6 apples then heres how:

2:3 subrtact 6 apples = 1:3

6 apples x 2 = 12 apples =

2 ÷ 2 = 1

Hence, your answer is double 6 which is 12 apples.

Hope this helps :)

3 0
3 years ago
Kate and David each have $10. Together they flip a coin 5 times. Every time the coin lands on heads, Kate gives David $1. Every
olga55 [171]

Answer:

4 possible ways this could happen

Step-by-step explanation:

1. $11

2. $12

3. $13

4. $14

hope this was helpful

8 0
3 years ago
Is the domain {1.8,3.4,9,9.8}
Effectus [21]
You need to find the values of x that correspond to the given values of f(x). That is, you need to solve for x:
.. y = 7x -2.7
.. y +2.7 = 7x
.. x = (y +2.7)/7

You are given y values of {14.1, 30.9, 41.4, 58.9, 68}. The corresponding x values are {2.4, 4.8, 6.3, 8.8, 10.1}, corresponding to selection C.

_____
Since the first number in each choice is different, you only need to evaluate f(x) for those numbers to see which gives the correct result. Only the 3rd one (2.4) give f(2.4) = 14.1, the correct answer.

4 0
3 years ago
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