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Sonbull [250]
3 years ago
9

(x2-25)÷(x-5) plz help me ​

Mathematics
1 answer:
saw5 [17]3 years ago
4 0

Answer:

(x + 5)

Step-by-step explanation:

(x² - 25) ÷ (x-5)

=(x² - 5²) ÷ (x-5)

Using the formula a² - b² = (a + b)(a - b) you get

= (x + 5)(x - 5) ÷ (x - 5)

With division you can cut both (x - 5)

So the answer is (x + 5)

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The table gives an inequality and a number to multiply both sides of the inequality by. Identify the new, true inequality.
zepelin [54]

Multiplying both sides of an inequality by a negative number reverses the inequality symbol.

<h3>How to determine the true inequalities?</h3>

The table of values is given as:

A: (-16 > -4) (-16 < -4) (-16 = -4)

B: (40 > 8) (40 < 8) (40 = 8

C: (-45 > 15) (-45 < 15) (-45 =15)

D: (35 > -20) (35 < -20) (35 = -20)

In the above list of inequalities, the true inequalities are

-16 < -4 --- because -16 is less than -4

40 > 8 --- because 40 is greater than 8

-45 < 15 --- because -45 is less than 15

35 > -20 --- because 35 is greater than -20

Lastly, when an inequality is multiplied or divided by a negative number, the inequality sign changes

Read more about inequality at:

brainly.com/question/17675534

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4 0
2 years ago
What is the correct number form for “seven and eighty-three thousandths?”
Phantasy [73]

Answer:

7.083

Step-by-step explanation:

well there's the ones place, tenths, hundredths, and thousandths. easy math, unless i'm stoopid and this is wrong :D

6 0
3 years ago
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I need help with number 9, i need to know if the ratio forms a proportion.
laiz [17]
The data in the table are not proportionate because 4 pounds cost 3.55, meaning each pound costs 0.8875 while 6 pounds cost 4.33, which is 0.72166667 per pound.
6 0
3 years ago
What's the circumference of a<br> circle with a radius of 12 inches?
Elena L [17]

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A food cooperative is a business that usually offers special prices on locally grown food and produce. Some are clubs and some a
Hoochie [10]

Answer:

The indifference point is 8 weeks.

Step-by-step explanation:

<u>First, we establish the total cost formula for each:</u>

x= number of weeks

Club:

Total cost= 20 + 15*x

Retail:

Total cost= 17.5*x

<u>Now, we equal both formulas and isolate x:</u>

20 + 15x = 17.5x

20 = 2.5x

8=x

The indifference point is 8 weeks.

<u>Prove:</u>

Total cost= 20 + 15*8= $140

Total cost= 17.5*8= $140

3 0
3 years ago
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