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ira [324]
3 years ago
14

What are the zeros of f(x) = x2+x-20?

Mathematics
2 answers:
Free_Kalibri [48]3 years ago
7 0

Answer:

-5 and 4

Step-by-step explanation:

Zielflug [23.3K]3 years ago
4 0

Answer:

The zeros are (-5,0) and (4,0)

Step-by-step explanation:

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Help me Please
Deffense [45]

Answer:

B ≥ 209

Step-by-step explanation:

This is the equation - 25b + 525 ≥ 5750  .      

Comment if I solved it incorrectly ;-;  

6 0
3 years ago
A sign language club made $627.50 from selling popcorn at a festival. The popcorn cost the club $95.00. Which expression represe
liq [111]

Answer:

option 3

Step-by-step explanation:

7 0
3 years ago
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What is the value of 4x2 + 5x when x= 1?
Darina [25.2K]

Answer:

13

Explanation:

Insert 1 for 'x'

(4)(1)(2) + 5(1)

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6 0
3 years ago
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Help please ASAP please I’ll mark you as brainlister
storchak [24]

Answer:

a = 4

Step-by-step explanation:

\sin(theta)  =  \frac{opposite}{hypotenuse}

\cos(theta)  =  \frac{adjacent}{hypotenuse}

\tan(theta)  =  \frac{opposite}{adjacent}

hypotenuse = a

opposite = 2√3

adjacent = b

theta = 60°

the best formula to use is the first formula cause we have all the values to substitute in it in order to find the value of a

\sin(60)  =  \frac{2 \sqrt{3} }{a}

\frac{2 \sqrt{3} }{ \sin(60) }  = a

4 = a

a = 4

4 0
3 years ago
I need some help with this:)I'll apreciate the answers.
Travka [436]
Part A: The discounted monthly fee is $22.49 (original cost of $29.99 multiplied by 75%, the amount the customer would pay since 25% is discounted.) Since you would also pay $44.99 for setup, your equation is $44.99+$22.49m Part B: Add 1.08 (108%; the customer pays 100% of the cost plus 8% more for tax) to your equation for the sales tax. 1.08(44.99+22.49m) Part C: Plug in 4 for m (m represents months). 1.08(44.99+22.49•4) 1.08(44.99+89.96) 1.08(134.95) $145.75 Hope that helps. Let me know if you need more assistance :)
7 0
3 years ago
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