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STALIN [3.7K]
3 years ago
13

Express (x-9)^2 as trinomial in standard form

Mathematics
2 answers:
liq [111]3 years ago
7 0
= (x - 9)(x - 9)
= x(x - 9) - 9(x - 9)
= x^2 - 9x - 9x + 81
= x^2 - 18x + 81  Answer
Ray Of Light [21]3 years ago
5 0

{x}^{2}  - 18x + 81
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The sum of two numbers is 20. One number is 4 less than the other. Find the numbers
exis [7]

Answer:8 and 12

Step-by-step explanation: 8 is 4 less than 12 and 12 and 8 equals 20

6 0
2 years ago
iranda is conducting a poll to determine how many students would attend a students-only school dance if one was held. Which samp
Nastasia [14]

Answer: 20 names from each grade

Step-by-step explanation:

The two answers it comes down to are between every student from all of her classes and 20 students from each grade, however since the poll wants to determine how many people across the entire student body would attend, pulling from just Miranda's classes would add a grade level bias to the dance and would not be entirely random. 20 students from each grade is completely unbiased and properly represents the entire student body.

7 0
3 years ago
What is 60= 3/4h i am doing BIM (Big ideas math online) i need help plz
crimeas [40]

<u>Answer: </u><em><u>h=80 is the final answer. *The answer must be have a positive sign.*</u></em>

Explanation:

<em><u>Switch sides of an equation.</u></em>

<em><u>3/4h=60</u></em>

<em><u>multiply by 4 both sides of an equation.</u></em>

<em><u>4*3/4h=60*4</u></em>

<em><u>simplify.</u></em>

<em><u>3h=240</u></em>

<em><u>divide by 3 both sides of an equation.</u></em>

<em><u>3h/3=240/3</u></em>

<em><u>simplify.</u></em>

<em><u>240/3=80</u></em>

<em><u>80*3=240</u></em>

<em><u>3*80=240</u></em>

<em><u>240/80=3</u></em>

<em><u>h=80</u></em>

<em><u>Hope this helps!</u></em>

<em><u>Thanks!</u></em>

<em><u>Have a great day!</u></em>

5 0
3 years ago
Read 2 more answers
Solve for x I got x=28.394. is that correct?
quester [9]
Cosine 65 = 12 / x
0.4226183 = 12 / x
x = 12 / 0.4226183
<span> <span> <span> x = 28.39441</span></span></span>

So, I'd say you are correct.

6 0
3 years ago
Find the product of 4/5 and 5/12 put in simplest form
kotegsom [21]

Hello!

The answer is 20/60 simplest form is 1/3

To get 20/60 you must multiply the Numerator by Numerator (4*5) and Denominator by Denominator (5*12). Your answer will be 20/60.

To get 1/3 you must simplify a number that can go into 20 and 60 (which is 10). Divide 20/10 and 60/10 and get 2/6. Simplify 2/6 by 2 and get 1/3.

3 0
3 years ago
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