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ehidna [41]
3 years ago
12

Using quadratic formula to find the solution for y=3x^3+8x-1

Mathematics
1 answer:
andre [41]3 years ago
3 0
Y=-1

that’s the answer
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What the answer to this "difficult" math equation?
Ksju [112]

Answer:

1 + 1 + 2 + 2 + 3 + 3 + 4 + 4 + 5 + 5 + 6 + 6 + 7 + 7 + 8 + 8 + 9 + 9 + 10 + 10 - 90 = 20

Step-by-step explanation:

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3 years ago
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In In 5x + In In (x - 1) = 2
max2010maxim [7]

Answer:

exact form: x=-1/2

decimal form: x=-0.5

8 0
3 years ago
Aaron's plane flew 4.5 m. Noah's plane only flew half the distance that Aaron's plane flew. How many centimeters further did Aar
Alenkinab [10]
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3 years ago
The measure of angle B is 65.8°. find the measure of the complement and supplement of angle B.​
viktelen [127]

Answer:

The fourth choice

24.2° and 114.2°

Step-by-step explanation:

Complementary angles add up to 90°

Supplementary angles add up to 180°

*a trick to remember this is to know that C is before S in the alphabet, and 90 is before 180, so Complementary is 90 and Supplementary is 180

Step 1:  Find the complementary angle

  Take 90° and subtract the give angle to find the angle you would need...

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Step 1:  Find the supplementary angle

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3 0
3 years ago
5-7 Please explain how to do step by step. 85 points ;) max
AleksandrR [38]

5a: To find the slope, you would divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points. So coordinates (15,1.5) and (5,0.5). You would subtract 1.5 form 0.5 which gives you neagtive one. (-1) Then subtract 15 from 5 which is -10. (negative ten) -1 divided by -10 is one tenths. 1/10 is your answer to part a.

5b. To find the slope, you would divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points. (Not sure what you meant by "interpret".

5c. The phone bill will increase by $0.50 if you talk for 5 extra minutes.

5d. You talked for 30 minutes if the phone bill costs $3.

-------------------------------------------------------------------------------------------------

6a. I can't really graph it but I'll interpret the slope. Y would basically be 7.5 times as much as x.

6b. I'm kinda stuck on how to get from 7.5 to 1. Sorry. OnO

----------------------------------------------------------------------------------------------------

7a. Hamburgers sell faster because there are 60 minutes in a hour. If 2.5 wraps are sold in one minute. Then there would be 150 wraps sold in 60 minutes which is also one hour. Hamburgers sell ten more than wraps per hour.

7b. The equation for wraps is: y=2.5x

     The equation for hamburgers is y=2.6667x

Goodnight and hope it helps.~ RIP my sleep...

8 0
3 years ago
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