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2 years ago

A student received a coupon for 17% off the total purchase price at a clothing store. Let c be the

1 answer:

7 0

C - 0.17c = 0.83c
When you write “c” at the start, or x or whatever, it has an understood (invisible) number 1. So you’re subtracting the decimal on the next variable from 1.

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Simplify the following expression 6a^4c+8ac^2-4a^4c-15-10ac^2

aleksandr82 [10.1K]

Answer:

2a^4c-2ac^2-15

Step-by-step explanation:

Sorry, I not sure if this is right or not cause I don't know if the exponent for -4a^4c is that or -4a^4c-15, but I'm just going to go with -4a^4c. However aside from that you just combine like terms.

7 0

2 years ago

Read 2 more answers

Emily and her children went into a grocery store and she bought $20.80 worth of bananas and peaches. Each banana costs $0.80 and

MakcuM [25]

Answer:

The number of bananas that Emily bought was 6 and the number of peaches that Emily bought was 8

Step-by-step explanation:

The complete question is

Emily and her children went into a grocery store and she bought $20.80 worth of bananas and peaches. Each banana costs $0.80 and each peach costs $2. She bought a total of 14 peaches and bananas altogether. Determine the number of peaches and the number of bananas that Emily bought

Let

x ----> the number of bananas that Emily bought

y ----> the number of peaches that Emily bought

we know that

She bought a total of 14 bananas and peaches altogether

$x+y=14$ -----> equation A

She bought $20.80 worth of bananas and peaches

$0.80x+2y=20.80$ -----> equation B

Solve the system by graphing

Remember that the solution is the intersection point both graphs

using a graphing tool

The solution is the point (6,8)

see the attached figure

therefore

The number of bananas that Emily bought was 6 and the number of peaches that Emily bought was 8

3 0

2 years ago

What is the domain of the function below?

Romashka [77]

The domain would be (4, infinity) so most likely your answer would be D.

6 0

2 years ago

Read 2 more answers

is there a proportional relationship between the area of an enlarged rectangle and the area of the original rectangle

Maru [420]

I don’t think so because I haven’t done this sorry

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2 years ago

Suppose the linear regression line y = 3.27x + 1.52 predicts the weight of a large dog, in pounds, x weeks after it is born. Abo

andreyandreev [35.5K]

Answer:

y=21.14

Step-by-step explanation:

x=6 because after 6 weeks

y= 3.27(6)+ 1.52

y=19.62 + 1.52

y=21.14

4 0

3 years ago