3 years ago

INCREDIBLY URGENT!

1 answer:

6 0

Periodic function. In mathematics, a periodic function is a function that repeats its values in regular intervals or periods. The most important examples are the trigonometric functions, which repeat over intervals of 2π radians.

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Solve the system by substitution. Check your solution.

postnew [5]

Answer:

(9,126)

Step-by-step explanation:

Make sure x and y are on the same side

$0.5x+0.25y=36\\16x-1y=18$

Eliminate y by multiplying the first equation by 4 then adding both equations together

$2x+1y=144\\16x-1y=18\\18x=162\\x=9$

Plug the x value (9) into one of the equations

$16(9)-1y=18$

Solve

$16(9)-1y=18\\144-1y=18\\144=18+1y\\126=y$

x=9, y=126

(9,126)

8 0

3 years ago

there are 50 jelly beans in a jar. 32 percent are black, 52 percent are green, and 16 percent are purple. how many green jelly b

Reil [10]

100% = 50
1% = 50/100 = 0.5

52% = 0.5 x 52 = 26

There are 26 green jelly beans in the jar:)

8 0

3 years ago

Please help me find the length

Svetlanka [38]

Answer:

Step-by-step explanation:

i did the math

7 0

3 years ago

On Thursday, a local hamburger shop sold a combined total of 234 hamburgers and cheeseburgers. The number of cheeseburgers sold

Ratling [72]

Hey there! I'm happy to help!

Let's call the hamburgers h and the cheeseburgers c.

h+c=234

c=2h

Let's plug this value of c into the first equation to solve for h.

h+2h=234

3h=234

Divide both sides by 3.

h=78

Therefore, 78 hamburgers were sold on Thursday.

Have a wonderful day! :D

4 0

4 years ago

Hello :) <br> Please help me solve this <br><br> Explain answer

Marina CMI [18]

Okay I will help u solve this in comments cya

7 0

3 years ago

Read 2 more answers