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xxTIMURxx [149]
2 years ago
8

Find the product of (x + 5)(x − 5).

Mathematics
2 answers:
Alexandra [31]2 years ago
8 0

Answer:

x^2 − 25

Step-by-step explanation:

(x + 5)(x − 5)

which is then

x(x − 5) and 5(x − 5)

= x^2 -5x + 5x - 25

-5x and 5x cancel each other out, so you're left with

x^2 − 25

velikii [3]2 years ago
7 0

Multiply the two brackets together

(x+5)(x-5)

(x)(x)(-5)(x)(+5)(x)(5)(-5)

x^2-5x+5x-25

x^2-25

Answer: x^2-25 ( third choice)

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Simplify 17^2 and 18.79^2.
Westkost [7]

17^2 is 289

18.79^2 is 353.0641

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3 years ago
I’m not sure what SOH-CAH-TOA to use
Sladkaya [172]

Answer:

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Step-by-step explanation:

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4 0
2 years ago
Read 2 more answers
What the answer for this ? :/
goblinko [34]
Hello there! I can help you! In order to answer those questions, we need to plug in the values, based off of the variable.

g. Okay. We are solving b - 10. b = -8. When you subtract something from a negative number, the number is even lower. Let's add the numbers first and then put in the negative symbol. 8 + 10 is 18. Put the negative sign and you get -18. The difference is -18.

h. Now, we solve a - b. a = 5 and b = -8. Because we are subtracting a negative number from a positive, we have to add both numbers, which means the number gets bigger. Ignore the negative sign and add. 5 + 8 is 13. There. The sum is 13.

i. The problem is c - a. c = -9 and a = 5. So as explained on problem G, for this problem, ignore the negative symbol and add. 9 + 5 is 14. Plug in the negative sign to get -14. There. The difference is -14.
3 0
3 years ago
I need help with finding out what the answer is 6=-w/8
tatyana61 [14]

6 = -w/8

  • Multiply both sides by 8.

48 = -w

  • Divide both sides by -1.

w = -48 is your answer.

3 0
3 years ago
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The temperature in Jonestown and cooperville was the same at 1:00. By 2:00, the temperature in Jonestown dropped 10 degrees, and
lisabon 2012 [21]
If the temperature at 1:00 is x, then Jonestown's temperature at 3:00 is 
x-10-8 (since it dropped 10 degrees then 8 more degrees)=x-18

Using x for Cooperville too, we get x-6-2 (since it drops 6 degrees then 2 more degrees) = x-8 

Since -8 is greater than -18, Cooperville's temperature is warmer and Jonestown's temperature is lower aka colder<span />
8 0
2 years ago
Read 2 more answers
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