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3 years ago

HELP ASAP PLZZ DUE TOMORROW AND EXPLAIN AND SHOW WORK (Sorry for captial letters lol)

Mathematics

1 answer:

Savatey [412]3 years ago

7 0

Answer: 1. You can use unit price to find how much one collar costs from each store to find which store is cheapest. 2. Just Dogs 3. 68 collars 4. 84 collars.

Step-by-step explanation:

Divide the number of dollars by the price to see what one collar costs from each store. Once you find out the cheapest collar and from which store that will be your answer for number 2. For number 3 multiple that price times 150. For the fourth question take 185 and divide it by the cheapest price collar to see how many you can get. If it turns out as a decimal anything behind the decimal point doesn't count. As you can't have 0.5 of a collar it's either 1 collar or no collar.

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The length of a rectangle is six times it’s width. If the area of the rectangle is 150ft^2, find its perimeter.

sineoko [7]

Answer:

Perimeter = 70ft

Step-by-step explanation:

Area of a rectangle is:

area = (length * width)

150 = a * b

a = 6b

a = length

b = width

then:

150 = 6b*b

150 = 6b²

b² = 150/6

b² = 25

√b² = √25

b = 5ft

a = 6b

a = 6*5

a = 30ft

then:

perimeter of a rectangle is:

p = 2(a+b)

p = 2(30 + 5)

p = 2*35

p = 70ft

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3 years ago

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Verdich [7]

Answer:

a+b=b+a

Step-by-step explanation:

so 7+4=12 and 4+7=12 so addition is commutative

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3 years ago

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What is the degree of f?

Arlecino [84]

The degree is 4, because it has 4 zeros.

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3 years ago

A regression equation that predicts the price of homes in thousands of dollars is t = 24.6 + 0.055x1 - 3.6x2, where x2 is a dumm

AveGali [126]

Answer:

a) On average, homes that are on busy streets are worth $3600 less than homes that are not on busy streets.

Step-by-step explanation:

For the same home (x1 is the same), x2 = 1 if it is on a busy street and x2 = 0 if it is not on a busy street. If x2 = 1, the value of 't' decreases by 3.6 when compared to the value of 't' for x2=0. Since 't' is given in thousands of dollars, when a home is on a busy street, its value decreases by 3.6 thousand dollars.

$t(x1, 0)= 24.6 + 0.055x1\\t(x1, 1) = 24.6 + 0.055x1 - 3.6\\t(x1, 1) = t(x1, 0) - 3.6$

Therefore, the answer is a) On average, homes that are on busy streets are worth $3600 less than homes that are not on busy streets.

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Eddi Din [679]

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