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Strike441 [17]
2 years ago
11

tara bakes 225 cookies in 5 hours, and she uses 8 pounds of sugar. she divide 225 by 5 to grt a rate of 45. which of the followi

ng correspond to this rate
Mathematics
1 answer:
Sati [7]2 years ago
6 0

Options :

A cookies per pound

B. O pounds per hour

c. cookies per hour

D. hours per cookie

Answer: C.) Cookies per hour

Step-by-step explanation:

Given the following :

Number of cookies baked = 225 cookies

Total time taken = 5 hours

Amount of sugar used = 8 pounds

Tara divides 225 by 5; 225 / 5 = 45

Rate gives the amount or number of times something occurs within a given period, Hence

The rate obtained by Tara corresponds to the ratio of ; (Total cookies baked / total time taken) = (225 / 5), this translates to the amount or number of cookies baked within an hour.

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Se necesitan 4/7 de litro de pintura para pintar un metro cuadrado de pared, si queremos pintar 2/5 de metro cuadrado de pared,
Assoli18 [71]

Answer:

8/35 de litro

Step-by-step explanation:

De la pregunta, sabemos que se necesitan 4/7 de un litro para pintar un metro cuadrado de pared.

Ahora necesitamos saber la cantidad de pintura necesaria para pintar 2/5 de un metro cuadrado.

Digamos que la cantidad necesaria es x

Ahora hagamos una relación matemática;

4/7 pinturas 1 metro cuadrado

x pintará 2/5 metros

cuadrados por lo tanto, x * 1 = 4/7 * 2/5 = 8/35

6 0
2 years ago
Mrs. Nestler enjoys listening to classical music. She has the following audio CDs by her favorite composers in her collection: 4
ivolga24 [154]

Answer:

10.55% probability

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The order in which the CDs are chosen is not important. So we use the combinations formula to solve this question.

1 Bach CD, from a set of 4.

1 Beethoven CD, from a set of 6.

1 Brahms CD, from a set of 3.

1 Handel CD, from a set of 2.

So, D=144

4 CDs from a set of 4+6+3+2 = 15.

So, T= 1365

p= D/T= 144/1365 = 0.1055

10.55% probability that she will choose one by each composer

4 0
2 years ago
Sophie did an anyonymous survey and collected her friends' credit scores. the scores she found are listed in the table below. wh
MrRissso [65]

To find the mean of the data, you will combine all values together and then spread them all out evenly to create one value that represents the data.


In math this involves adding the data together and then dividing the sum by how many pieces of data there are.


682 + 601 + 744 + 674 + 701 + 790 + 676 + 638 + 773 = 6279


6279/9 = 697.66...


The rounded credit score is 698 (Choice A).

8 0
2 years ago
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The equation y=−0.0088x2+0.79x+15 models the speed x (in miles per hour) and average gas mileage y (in miles per gallon) for a v
Neko [114]

we are given

y=-0.0088x^2+0.79x+15

where

y is average gas mileage in miles per gallon

x is speed in miles per hour

we have to find average gas mileage at a speed of 60 miles per hour

so, we have

x=60mph

now, we can plug it and find y

y=-0.0088(60)^2+0.79(60)+15

we get

y=30.72

so,

the best approximate for the average gas mileage at a speed of 60 miles per hour is 30.7 mi/gal...........Answer

6 0
2 years ago
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The function y = (x + 4)4 is a transformation of the graph of the parent function y = x4. How is the zero of the parent function
Musya8 [376]
The answer is C but not sure about it please double check it


Thank you

I hope it’s help you
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2 years ago
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