2 years ago

HELPPPP PLASSSSSSSS

Mathematics

1 answer:

meriva2 years ago

7 0

Answer:

$0.30 per ounce for the small popcorn

Step-by-step explanation:

Divide 4.5 (price) by 15 (oz) to get the unit price.

Have a nice day!!!

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PLEASE SOMEONE DO THIS IM RUSHING SO BAD AND IM CRYING - GIVING BRAINLIEST!!!!!

LUCKY_DIMON [66]

Answer:

1.) $1.07

2.) $2.25

3.) $14.20

Step-by-step explanation:

1.) Toonie = 2 CAD

CAD = USD $1.57

$1.57 - $0.50 = $1.07 (USD)

2.) $2.75 - $5 = $2.25 (USD)

3.) $20 x 4 = 80

$80 - $65.80 = $14.20 (USD)

Hope this helped!

8 0

3 years ago

the area of a square whose sides have length x cm is increasing at the rate of 12cm²/s. how fast is the length of a side increas

katovenus [111]

Answer:

0.67 cm/s

Step-by-step explanation:

The area of a square is given by :

$A=x^2$ ....(1)

Where

x is the side of a square

$\dfrac{dA}{dt}=12\ cm^2/s$

Differentiating equation (1) wrt t.

$\dfrac{dA}{dt}=2x\times \dfrac{dx}{dt}$

When A = 81cm², the side of the square, x = 9 cm

Put all the values,

$12=2\times 9\times \dfrac{dx}{dt}\\\\\dfrac{dx}{dt}=\dfrac{2}{3}\\\\\dfrac{dx}{dt}=0.67\ cm/s$

So, the length of the side of a square is changing at the rate of 0.67 cm/s.

4 0

2 years ago

Explain how the number of pieces in a whole realates tonthe size of each piece

lilavasa [31]

Well each piece of the whole is what made the whole... so in that case each piece is little 1/4's of the whole....

6 0

3 years ago

The value of a professional basketball player's autograph rose 20% in the last year. It is now worth $252.00. What was it worth

kolbaska11 [484]

*REVERSE THE CHANGE QUESTION*

100% + 20% = 120% = $252

252 / 120 = $2.10 = 1%

100% = 2.1 x 100 = $210

8 0

3 years ago

Read 2 more answers

Tyrone bought 5 postcards at $0.55 each and a set of postcards for $1.20. Write an expression to find the total amount Tyrone sp

Anna007 [38]

$5*price\ of\ postacrd+5*setting\ of\\\\5 *0,55+5*1,20=2,75+6=8,75\$\\\\
Tyron\ spent\ 8,75\$\ on\ poscards.$

5 0

3 years ago