Elise built a rectangular vegetable garden that is 9 feet long and has an area of 72 square feet. What is the perimeter of Elise’s vegetable garden?

Answers

Answer 1

Answer: Well if you know how long it is, you would divide 72 by 9 giving you 8. So the perimeter wold be calculated by 9+9+8+8=34 feet

Answer 2

Answer: Perimeter of a rectangle=2(long)+2(width)

1)we calculate the width.
area=long x width

data:
area =72 ft².
long=9 ft

72 ft²=9 ft * width
width=72 ft²/9 ft=8 ft.

2) we calculate the perimeter.
perimeter=2(9 ft)+2(8 ft)=18 ft + 16 ft=34 ft.

Answer: the perimeter of Elise`s vegetable garden is 34 ft.

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Melissa bought a cake that cost $75. The sales-tax rate is 10 percent. What is the total amount she paid for the cake?
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Larrt wants to buy some carpeting for his living room. The length of the room is 2 times the width and the total area of the room is 18 square meters. What is the length of the living room?

Answers

So, the width would be 3, and if you multiply that by 2 you get 6. Which the formula for Area is length x width. So the answer for the question is 6.

A bakery's production is modeled by function f(x), where f(x) is the number of donuts made in a day and x is the number of bags of flour needed. Choose the ordered pair that represents a possible domain and range of the function.(−1, 15)
(5, 92.75)
(10, 100)
(−5, 110.5)

Answers

it can't be A or D because they have negatives. you can't have negative donuts. you can't have 92.75 donuts therefore it's C

Final answer:

The domain and range of the function represent the possible inputs and outputs. The given ordered pairs are analyzed to determine the possible domain and range.

Explanation:

The domain and range of a function represent the possible inputs and outputs of that function. In this case, the function represents the number of donuts made in a day based on the number of bags of flour needed. The domain of the function would be the possible values for x, which is the number of bags of flour. The range of the function would be the possible values for f(x), which is the number of donuts made.

Looking at the given ordered pairs:

(-1, 15): The number of bags of flour cannot be negative, so this is not a possible domain. The range value of 15 is possible for the number of donuts made.
(5, 92.75): This is a possible ordered pair for the domain and range. The number of bags of flour is 5, and the number of donuts made is 92.75.
(10, 100): This is a possible ordered pair for the domain and range. The number of bags of flour is 10, and the number of donuts made is 100.
(-5, 110.5): The number of bags of flour cannot be negative, so this is not a possible domain. The range value of 110.5 is possible for the number of donuts made.

Based on the given options, the ordered pairs (5, 92.75) and (10, 100) represent possible domains and ranges for the function.

Learn more about Domain and Range here:

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Claire and her partner, Grace, are throwing for the javelin event as a team. Claire threw the javelin 42 ft. and Grace threw it 39 ft. How far did the team throw the javelin?

Answers

Answer:

42+39 or 81 feet

Step-by-step explanation:

add them up and you get 81 feet.

Hope this helps plz hit the crown :D

What is the solution of the system of equations?
y = –2x + 8
y = x – 4

Answers

y = –2x + 8
y = x – 4

Set them to equal to each other to solve for x.

x - 4 = -2x + 8

3x = 12

x = 4

Plug 4 for x in either equation.

y = x – 4

y = 4 - 4

y = 0

So (4, 0)

you could treat it as a matrix and solve it that way
graph and find intersection
etc.

Correct answers only please!What is the check digit (d) for the UPC bar code shown below?

A. 2

B. 4

C. 6

D. 8

Answers

Answer:

D. 8

Step-by-step explanation:

No formula is given, so we use an on-line calculator for the job. The check digit is 8.

If x + 3 is a multiple of 3, which of thefollowing is not a multiple of 3?
(A) x
(B) x + 6
(C) 6x + 18
(D) 2x + 6
(E) 3x + 5

Answers

The answer is E because if x+3=0 then x=-1 which is the multiple of 3x-1
1)x
we have x so its -3
2)x+6
-3+6=3 its a multiple of 3 (3x1)
3)6x+18
6(-3)+18
0 is a multiple of 3 (3x0)
4)2x+6
2(-3)+6
0 is a multiple of 3
5)3x+5
3(-3)+5
-1 is not a multiple of 3

Answer:

If integer m is not a multiple of 3, which of the following must be true? ... of 2 let m=3K+2, (m+1)(m-1) = (3K+3)X(3K+1) is a not a multiple of 2

Step-by-step explanation:

m=4 or 5 satisfies the equation (m+1)(m-1) is a multiple of 3. Hence true.

m=4, (m+1)(m-1) = (4+1)(4-1)=15, not multiple of 2.

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Thank you if you choose to help

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