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boyakko [2]
3 years ago
15

Please help fast! I'll mark brainliest rate 5 and thank if you get it right/answer FAST

Mathematics
1 answer:
romanna [79]3 years ago
7 0
Total cost is less than or equal to 100 sice cant spend more than have
cost<u><</u>100
cost=swim+earings
costearings=xearints imes 10.75
swim=60

60+10.75x<u><</u>100


B
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Read and answer the question shown below.
ArbitrLikvidat [17]
I would say the answer is A
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A nursery owner buys 7 panes of glass to fix some damage to her greenhouse. The 7 panes cost
Kobotan [32]

Answer:

Its 6.45

Step-by-step explanation:

we first need to know how much is one pane of glass so i divide

15.05÷ 7 and got $2.15

so each one pane of glass is $2.15

than i multiply 2.15 x 3 and got 6.45

So the cost is 6.45

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3 years ago
Officials project that between 201020102010 and 205020502050, the population of a certain city will drastically change. The mode
iragen [17]

Answer:

175 means the city's population is 175 thousands in 2010.

Step-by-step explanation:

The model below gives the projection of the city's population , P, in thousands, with respect to time, t, in years, where 2010 corresponds to t=0.

The given equation is

P=175+\dfrac{11}{2}t

We need to interpret 175 for the given model.

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P=175+\dfrac{11}{2}(0)

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6 0
3 years ago
Approximate 18 to the nearest tenth.
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Answer:

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4 0
4 years ago
Read 2 more answers
The robertsons put a rectangular pool with a stone walkway around it in their backyard. The total length of the pool and walkway
Valentin [98]

Answer:

115 square feet.

Step-by-step explanation:

Please consider the complete question.

The Robertsons put a rectangular pool with a stone walkway around it in their backyard. The total length of the pool and walkway is 3 times the total width. The walkway is 2 ft wide all around. Find the area of the pool when the total width is 9 ft.

Let w represent width of pool.

Since total length of the pool and walkway is 3 times the total width, so total length of pool and walkaway would be 3w.

Since walkway is 2 ft wide all around, so length and width of pool will be 4 feet less that is width would be w-4 and length would be 3w-4.

We know that area of rectangle is length times width, so we will get:

\text{Area of pool}=(3x-4)(x-4)

\text{Area of pool}=3w^2-12w-4w+16

\text{Area of pool}=3w^2-16w+16

To find the area of pool, when total width is 9 ft, we will substitute w=9 in our area equation as:

\text{Area of pool}=3(9)^2-16(9)+16

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\text{Area of pool}=243-144+16

\text{Area of pool}=115

Therefore, the area of pool would be 115 square feet.

7 0
3 years ago
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