What number needs to be added to both sides of the equation in order to

Mathematics

1 answer:

postnew [5]3 years ago

3 0

X^2+6x=68 I think but I’m not sure

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What is the value of y?

lord [1]

Answer:

Step-by-step explanation:

Angle c is 180 - 146 = 34

All 3 angles add to 180:

(5y + 3) + (4y + 8) + 34 = 180

9y + 45 = 180

9y = 135

y = 15

5 0

1 year ago

((-7,1). (-3,2). (0, -2). (5, -5)}What are the domain and range of the function represented by the set of ordered pairs?

Nina [5.8K]

Answer:

Domain:{-7,-3,0,5}

Range:{1,2,-2,-5}

Step-by-step explanation:

i know because it works for me.

4 0

1 year ago

PLEASE HELP

katrin [286]

Answer:

3 + 4n -9 + 5n

9n - 6

3 0

3 years ago

If x-1/x=5 find x^3+1/x^3=?

ipn [44]

$\dfrac{x-1}{x}=5\ \ \ \ /x\neq0\\\\\dfrac{x-1}{x}=\dfrac{5}{1}\ \ \ \ |\text{cross multiply}\\\\5x=x-1\ \ \ \ |-x\\\\5x=1\ \ \ \ |:5\\\\x=0.2\\\\\dfrac{x^3+1}{x^3}=\dfrac{x^3}{x^3}+\dfrac{1}{x^3}=1+\dfrac{1}{x^3}\to1+\dfrac{1}{0.2^3}=1+\dfrac{1}{0.008}\\\\=1+\dfrac{1}{\frac{8}{1,000}}=1+\dfrac{1,000}{8}=1+125=126\\\\\text{Answer:}\ \dfrac{x^3+1}{x^3}=126$

5 0

3 years ago

Read 2 more answers

What is 7/8 minus 1/4?

erastovalidia [21]

7/8 -1/4
= 7/8 -2/8
= 5/8

The final answer is 5/8~

6 0

2 years ago