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aleksandr82 [10.1K]
4 years ago
9

HELP ME ASAP! Will give BRAINLIEST! Please read the question THEN answer correctly! No guessing. Check ALL that apply

Mathematics
2 answers:
kolbaska11 [484]4 years ago
3 0

Answer:

B. 0

Step-by-step explanation:

9x² - 18x + 9

a = 9, b = -18, c = 9

b²- 4ac

(-18)² - 4(9)(9)

= 0

Hope this helps :D

TiliK225 [7]4 years ago
3 0

Answer:

it is B. 0

Step-by-step explanation:

a discriminant is the √(b^2 − 4ac) part of the quadratic equation.

so a = 9

b=-18

c=9

then plug that in and you get √(324 − 4(9*9) which is √(324 − 324) which equals 0.

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The number 2400 is first increased by 30%.The value obtained is next decreased by 20%.Find the final number
kvasek [131]

<em>2400 is increased by 30%.</em>

so,

2400 + (30/100 * 2400)

2400 + (30 * 24)

2400 + 720

3120

<em>this number is decreased by 20%.</em>

so,

3120 - (20/100 * 3120)

3120 - (2 * 312)

3120 - 624

2496

therefore, the final number will be 2496.

3 0
4 years ago
Round each number to the nearest hundredth.
viva [34]
243.87 and 132.37 thts the answer
4 0
4 years ago
Given the function f(x) = 5(x+4) − 6, solve for the inverse function when x = 19.
meriva

Answer:

5.74

Step-by-step explanation:

fx=5(x+4)-6

f(19)=5(19+4)-6

19f=5(23)-6

19f=115-6

19f=109

f=109÷19

f=5.74 or 19 14/19

7 0
3 years ago
WHO IS SUPER GOOD AT MATH? I NEED HELP REALLY FAST! BRAINLIEST ANSWER AWARDED TO CORRECT ANSWER WITH AT LEAST A LITTLE EXPLANATI
erastova [34]
The answer to your question is D
7 0
4 years ago
Grace, Chelsea, and Roan are simplifying the same polynomial expression. Which
Alexus [3.1K]

Answer:

Hey there!

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