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tigry1 [53]
3 years ago
7

What is the difference?

Mathematics
1 answer:
worty [1.4K]3 years ago
5 0

Answer:

4th option

Step-by-step explanation:

Given

\frac{x}{x^2+3x+2} - \frac{1}{(x+2)(x+1)} ← expand denominator using FOIL

= \frac{x}{x^2+3x+2} - \frac{1}{x^2+3x+2}

Since the denominators are common, then subtract the numerators

= \frac{x-1}{x^2+3x+2}

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Mandy's baby brother weighs 15 lb. How many ounces does her baby brother weigh?
Leokris [45]

Answer:

240 oz

Step-by-step explanation:

we know that,

1 lb = 16oz

15lb = ?

15 * 16 = 240oz

7 0
3 years ago
A game show has a bonus round where a contestant gets to spin a balanced wheel that is divided into eighths. The contestants win
kondaur [170]
The answer is <span>A. 142.

After a profound research, I found out that the wheel numbers are:
25, 80, 60, 20, 100, 500, 150, 200.

To calculate h</span><span>ow many cans of turtle wax can the game show expect to give out per player in the long run, we need to calculate the mean of the numbers on the wheel:
</span>x= \frac{25+80+60+20+100+500+150+200}{8} = \frac{1,135}{8}= 141.875
<span>
</span>⇒ <span>x </span>≈ 142

5 0
3 years ago
NEED HELP ASAP MAKE IT NEAT AND NOT TOO LONG!!!!
Mariulka [41]

Answer:

Step-by-step explanation:

A

(2x - 5)(x + 1)

B)

The x intrcepts occur when the factors equal zero.

2x - 5 = 0

2x = 5

x = 5/2

x = 2 1/2

C

I will give the the minimum from completing the square

y = 2(x - 0.75)^2 - 6.125

as x approaches + infinity, y approaches + infinity.

as x approaches - infinity, y approaches + infinity.

It's a quadratic. The y values go to plus infinity, when x goes from - infinity to + infinity.

D

Desmos is the most useful tool for this part of the question. What it shows is the two roots and the minimum at (0.75,-6.125. A parabola does what the end behavior describes. The roots are clearly labeled as is the minimum.

6 0
3 years ago
2n is greater than 14
nataly862011 [7]
The answer is    n > 7.  This is the answer
6 0
4 years ago
Read 2 more answers
One number is 4 times<br>a second number. The sum<br>of the two numbers is 30.<br>find the numbers.​
olchik [2.2K]
The first number would be 6 and the second would be 24

x+4x=30, in which x=6

Hope this helped :)
4 0
3 years ago
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