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andriy [413]
3 years ago
12

Jordan and Sharla are saving money to go on a study abroad trip. They must provide a down payment of $650 to sign up for the tri

p, and they can pay the remaining balance later. Jordan raises money by mowing lawns in his neighborhood and charges $25 per lawn. Sharla raises money by selling handmade necklaces for $15 each. Sharla raises less money than Jordan does because Sharla 3. only has enough materials to make 40 necklaces. (A) write two constraints to model the problem. Let x represent the number of lawns Jordan mows and y represent the number of necklaces Sharla sells. (B) can Sharla afford the down payment with the money she earns selling her necklaces? Explain your answer
Mathematics
2 answers:
Nikitich [7]3 years ago
8 0

A) 25x+15y=650

25x+15(40)=650

Or it could be 25x=650 and 15y=650

B) No because she makes $15 for every necklace which she only has 40 necklaces 15x40=600

RSB [31]3 years ago
6 0

Jordan and Sharla are saving money to go on a study abroad trip. They must provide a down payment of $650 to sign up for the trip, and they can pay the remaining balance later. Jordan raises money by mowing lawns in his neighborhood and charges $25 per lawn. Sharla raises money by selling handmade necklaces for $15 each. Sharla raises less money than Jordan does because Sharla 3. only has enough materials to make 40 necklaces. (A) write two constraints to model the problem. Let x represent the number of lawns Jordan mows and y represent the number of necklaces Sharla sells. (B) can Sharla afford the down payment with the money she earns selling her necklaces? Explain your answer    

this is the wrong subject

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James wants to build a wooden barrel to hold rain water to use for irrigation. He wants the height of the barrel in feet to be 4
lina2011 [118]

Answer:

Step-by-step explanation:

To create a system of inequalities, write an inequality to model each condition that must be satisfied in the given situation.

It is given that x represents the area of the base of the barrel in square feet and y represents the volume of the pump in cubic feet.

Write an inequality to represent the amount of water that the barrel needs to hold after the pump is inserted. To find the volume of the barrel, multiply the area of the base by the height of the barrel. Then subtract the volume that will be taken up by the pump from that amount.

x(x-4) - y ≤ 90

To find the cost of the supplies for the barrel, find the surface area by multiplying the perimeter of the base by the height of the barrel and then adding the area of the base. Since there is no top, the area of the base only needs to be added once. Then, multiply the cost per square foot by the surface area.

To find the cost of the pump, multiply the cost per square foot of the pump by its volume.

Write an inequality representing the total cost. The cost must be less than or equal to $1,100.

8(x(x-4)+x) + 50y ≤ 1,100

Combining both of the inequalities gives the following system of inequalities.

x(x-4) - y ≤ 90

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5 0
3 years ago
You have 2 different savings accounts. For Account​ A, the simple interest earned after 21 months is ​$6.30. For Account​ B, the
katovenus [111]

Answer:

You invested $13,000 in two accounts... You invested $13,000 in two accounts paying 5% and 7% annual interest, respectively. If the total interest earned for the year was $850, how much was invested at each rate?

3 0
3 years ago
Given the function f(x) =
jenyasd209 [6]

Answer:

The value of f(1) is smaller than the value of f(3)

Step-by-step explanation:

<u><em>The correct question is</em></u>

Given the function f(x) = 2x^2 + 3x + 10, find f(1) and f(3). Choose the statement that is true concerning these two values.

The value of f(1) is the same as the value of f(3).

The value of f(1) cannot be compared to the value of f(3).

The value of f(1) is larger than the value of f(3).

The value of f(1) is smaller than the value of f(3)

we have

f(x)=2x^{2}+3x+10

step 1

Find out the value of f(1)

substitute the value of x=1 in the function f(x)

so

For x=1

f(1)=2(1)^{2}+3(1)+10

f(1)=15

step 2

Find out the value of f(3)

substitute the value of x=3 in the function f(x)

so

For x=3

f(3)=2(3)^{2}+3(3)+10

f(3)=37

step 3

Compare the values

37> 15

so

f(3) > f(1)

or

f(1) < f(3)

therefore

The value of f(1) is smaller than the value of f(3)

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4vir4ik [10]

Answer:

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zubka84 [21]

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