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galina1969 [7]
3 years ago
14

If x-y=0 then x^2-y^2/x-y=?

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
7 0

Answer:

x + y

Step-by-step explanation:

\frac{ {x}^{2} -  {y}^{2}  }{x - y}

=  \frac{(x - y)(x + y)}{x - y}

= x + y

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Carla has already written 10 pages of a novel. she plans to write 15 additional pages per month until she is finished. write and
grin007 [14]
Linear Equation: 15m+10=w
15 pages written for every month for 5 months plus the 10 pages she has already written is equal to the total number of pages written in 5 months.
m= number months written. In this case, it is 5 months.
w= number of pages written in 5 months
15(5)+10=w
75+10=w
85 pages written=w
Carla will have written 85 pages in 5 months.
4 0
3 years ago
Lf R(x) = x2 – 3x – 1, find R(-2).<br><br> a.9<br> b.-9<br> c.-3<br> d.-11
fenix001 [56]

Answer:

A.

Step-by-step explanation:

If R(-2), then x = -2. Just plug in -2 for x. -2^2 - 3(-2) - 1 = 4 + 6 - 1 = 10 - 1 = 9. The answer is 9.

6 0
3 years ago
Mary sold 147 bags of popcorn in 3 days. At this rate, how many bags of popcorn will Mary sell in 5 1/2 days?
lord [1]

Answer:

147bags=3days

?bags=5 1/2days

<u>147</u><u>×</u><u>11</u><u>/</u><u>2</u>

3

<u>1617</u><u>÷</u><u>3</u>

2

<u>1617</u><u>×</u><u>1</u>

2 3

=539/2

=269 1/2 bags or 269.5bags

5 0
3 years ago
PLEASE ANSWER AND HELP
ra1l [238]
She must save $91.80.
7 0
3 years ago
Which of the following absolute value equations has no solutions?Group of answer choices
Amiraneli [1.4K]

The absolute value measures the distance a number is away from the origin (zero) on the number line. A number can be to the left or right of zero on the number line, but the distance away from zero is always positive. Graphically:

In other words:

• If d is positive and

\begin{gathered} |x|=d \\ \text{ then} \\ x=d\text{ or }x=-d \end{gathered}

• If d is negative and

\begin{gathered} |x|=-d \\ \text{then} \\ \text{ No solution, because distance (d) can not be negative.} \end{gathered}

Therefore, the equation that has no solutions is:

\boldsymbol{|x|=-3}

3 0
1 year ago
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