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lawyer [7]
3 years ago
6

HELP!!! 15 points and marked brainliest

Mathematics
1 answer:
AVprozaik [17]3 years ago
7 0

Answer:

35.8 I just used a calculator to find the answer

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How do I solve for r b=1/6Rw
dusya [7]

                                                  <u>b = 1/6 r w</u>

Multiply each side by  6 :         6b = r w

Divide each side by  'w' :    <em>6b / w = r


</em>
5 0
3 years ago
Solve the quadratic equation 4x2 − 121 = 0. Verify your answer using a difference-of-squares factoring method.
Alenkasestr [34]

Answer:

Option d) is correct

That is x equals plus or minus start fraction 11 over two end fraction

Step-by-step explanation:

Given quadratic equation is 4x^2-121=0

To write the given quadratic equation by using a difference-of-squares factoring method:

4x^2-121=0

The above equation can be written as

4x^2-11^2=0

(2x)^2-11^2=0

The above equation is in the form of difference-of-squares

Therefore the given quadratic equation can be written in the form of difference-of-squares

by factoring method is (2x)^2-11^2=0

(2x+11)(2x-11)=0 (which is in the form a^2-b^2=(a+b)(a-b) )

2x+11=0   or   2x-11=0

x=\frac{-11}{2}    or   2x=11

x=\frac{-11}{2}    or   x=\frac{11}{2}

x=\pm \frac{11}{2}

Therefore option d) is correct

That is x equals plus or minus start fraction 11 over two end fraction

5 0
3 years ago
3/4 + -3/8 + -1/4=?<br> Evaluate the expression
Ann [662]

Answer: -1/8

Step-by-step explanation:

3/4 + -3/8 + -1/4

Find the LCM of 4, 8, and 4

That's 8 so you make an equivalent fraction for all fractions so the denominator is 8.

3/4 = 6/8

-3/8 = -3/8

-1/4 = -4/8

Now the expression looks like this:

6/8 + - 3/8 + -4/8

6/8 - 3/8 - 4/8

6/8 - 7/8

-1/8

Hope that helped!

8 0
3 years ago
Find the difference 726-477=
Tanzania [10]
Its 249 because the difference 726-447 is 249
7 0
3 years ago
Read 2 more answers
PLEASE HELP ME<br> ( I WILL MARK BRAINLIEST )
AlekseyPX
The numbers are 15, 17 and 19
8 0
2 years ago
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