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bija089 [108]
2 years ago
15

Which graph below has a “period” of 4?

Mathematics
1 answer:
Inessa [10]2 years ago
6 0

Answer:

c

Step-by-step explanation:

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Solve the quadratic equation 3x^2 +x-5=0<br> Give your answer to 2 decimal places
Firdavs [7]

This quadratic should be solved using the quadratic formula.

 

The quadratic formula is

 

(-b +/- sqrt(b2 - 4ac)) / (2a)       (Side note: The +/- means that you use the plus sign once, then recalculate again using the minus sign. You should get two answers this way.)

 

The numbers that we plug into the letters can be found from the general form of a quadratic equation

 

ax2 + bx + c

 

In your quadratic a = 3, b = 1, and c = -5. I'll let you try and solve the rest on your own. Whatever your answer is, round it off to two decimal places.

5 0
3 years ago
18 + X over 4 = 7<br><br> What is X?
Marizza181 [45]

Answer:

-44

Step-by-step explanation:

6 0
3 years ago
a library has an average of 510 visitors on Sundays and 240 visitors on other days. The average number of visitors per day in a
serious [3.7K]

Answer:

285

Step-by-step explanation:

hi

personally this is how i would do this question but there are other ways.

i would start off by seeing how many sundays there are in the month (which is 5) then the number of other days which is 25. i'd then multiply 5 by 510 which is 2550. add that to 240 times 25 (which is 6000) and all of that together is 8550. divide that by the number of the days in the month (30) and then you'll get the daily avergae for the month

hope this helped:)

6 0
3 years ago
You have a 1-gallon paint can in the shape of a cylinder. One gallon is 231 cubic inches. The radius of the can is 3 inches. Wha
aleksandr82 [10.1K]

Answer:

The approximate height of the paint can is 8.2 in

Step-by-step explanation:

we know that

The volume of the cylinder ( can of paint) is equal to

V=\pi r^{2} h

we have

V=231\ in^{3}

r=3\ in

\pi=3.14

Substitute the values and solve for h

231=(3.14)(3)^{2} h

h=231/(3.14*9)=8.2 in

3 0
2 years ago
Read 2 more answers
I need hellpppp please help meee
andreyandreev [35.5K]

Answer:

i believe >

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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