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sergij07 [2.7K]
3 years ago
15

Please help!!! which ones apply, there may be more than one answer~

Mathematics
1 answer:
dangina [55]3 years ago
6 0
B. and c. is the answer
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For 1983 through 1989, the per capita consumption of chicken in the u.S. Increased at a rate that was approximately linear. In 1
Volgvan

We have been given that in 1983, the per capita consumption was 39.7 pounds, and in 1989 it was 47 pounds.

Let us assume t=0 corresponds to year 1980.

Hence, we can express the given information as ordered pairs as (3,39.7) and (9,47).

We can to find a linear function passing through these points. Let us first find slope of the linear function:

m=\frac{y_{2}-y_{1} }{t_{2}-t_{1}} =\frac{47-39.7}{9-3} =\frac{7.3}{6} =\frac{73}{60}

We can write the required linear function as:

y-39.7=\frac{73}{60}(t-3)

Upon simplifying  this, we get:

y=\frac{73}{60}t+\frac{721}{20}

In order to find per capita consumption in 1995, we need to substitute t=15 in this function.

y=\frac{73}{60}(15)+\frac{721}{20}=54.3

Therefore, we would expect the per capita consumption of chicken in 1995 to be 54.3.

3 0
3 years ago
Hong reads 9 3/4 chapters in 3 3/8 hours. What is the unit rate in chapters per hour? Write your answer as a fraction or a mixed
Sav [38]

The unit rate is: 2\frac{8}{9} chapters per hour

Step-by-step explanation:

Given

chapters read = 9\frac{3}{4} = \frac{39}{4}

Time = 3\frac{3}{8} = \frac{27}{8}

Unit rate is calculated by dividing the total chapters by total time

So,

Unit\ rate = \frac{\frac{39}{4}}{\frac{27}{8}}\\= \frac{39}{4} * \frac{8}{27}\\= 13 * \frac{2}{9}\\=\frac{26}{9}\\=2\frac{8}{9}

Hence,

The unit rate is: 2\frac{8}{9} chapters per hour

Keywords: Unit rate, fractions

Learn more about fractions at:

  • brainly.com/question/5998244
  • brainly.com/question/5924921

#LearnwithBrainly

4 0
3 years ago
Lee and Dan have the same number of blocks Lee has 20 green blocks and 36 blue blocks Dan has 13 green blocks 23 blue blocks and
Charra [1.4K]

Answer:

20 red blocks

Step-by-step explanation:

Lee blocks--20 + 36= 56

Dan blocks 13 + 23 =36  

56 - 36=20

8 0
3 years ago
I need help on this ik ik im stupid
ziro4ka [17]

Answer:

uhh if I did the math right i think it was 300

8 0
2 years ago
Read 2 more answers
Combine like terms to create an equivalent expression.<br> 4(1.75y-3.5)+1.25y
a_sh-v [17]

Expand

7y - 14 + 1.25y

Collect like terms

(7y + 1.25y) - 14

Simplify

<u>8.25y - 14</u>

3 0
3 years ago
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