MATHEMATICS MIDDLE SCHOOL

Sam wrote this expression to describe the number of apples he gave away to his friends. 12 – a Which situation could be described by this expression? A. Sam does not know how many apples he has. He knows he gave away 12 apples. B. Sam knows he has 12 apples left. He does not know how many apples he gave away. C. Sam knows he has 12 apples left. He gave away half of his apples. D. Sam knows he had 12 apples to start. He does not know how many apples he gave away.

Answers

Answer 1
Answer: D. Sam knows he had 12 apples to start. He does not know how many apples he gave away.

Because he is subtracting (a) from 12. Meaning he is trying to figure out what (a) is. Hope this helps
Answer 2
Answer:

Final answer:

The expression 12 - a represents the number of apples Sam gave away to his friends. Option D best describes this situation.

Explanation:

The expression 12 - a represents the number of apples Sam gave away to his friends.

Option D, 'Sam knows he had 12 apples to start. He does not know how many apples he gave away,' best describes this situation. In this case, Sam started with 12 apples but does not know the exact number he gave away.

Learn more about Expressing unknown quantities here:

brainly.com/question/33452636

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1. vertical(because they are across from each other when lines cross and form an x)
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What is the simplest form of 27/42?    a.27/42  d.9/14   b.1 15/27  e.13/21   c.2/3

Answers

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Answers

Answer:

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Select all functions that have a y-intercept of (0,5).f(x)=7(b)^x-2
f(x)=-3(b)^x-5
f(x)=5(b)^x-1
f(x)=-5(b)^x+10
f(x)=2(b)^x+5

Answers

Answer:

f(x)=7(b)^(x)-2

f(x)=-5(b)^(x)+10

Step-by-step explanation:

we know that

The y-intercept is the value of y when the value of x is equal to zero

Verify each case

case 1) we have

f(x)=7(b)^(x)-2

so

For x=0

f(0)=7(b)^(0)-2

f(0)=7(1)-2=5

therefore

The function has a y-intercept of (0,5)

case 2) we have

f(x)=3(b)^(x)-5

so

For x=0

f(0)=3(b)^(0)-5

f(0)=3(1)-5=-2

therefore

The function does not have a y-intercept of (0,5)

case 3) we have

f(x)=5(b)^(x)-1

so

For x=0

f(0)=5(b)^(0)-1

f(0)=5(1)-1=4

therefore

The function does not have a y-intercept of (0,5)

case 4) we have

f(x)=-5(b)^(x)+10

so

For x=0

f(0)=-5(b)^(0)+10

f(0)=-5(1)+10=5

therefore

The function has a y-intercept of (0,5)

case 5) we have

f(x)=2(b)^(x)+5

so

For x=0

f(0)=2(b)^(0)+5

f(0)=2(1)+5=7

therefore

The function does not have a y-intercept of (0,5)

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