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Furkat [3]
3 years ago
10

Robert is replacing sod in two square-shaped areas of his backyard. One side of the first area is 7.5 feet. One side of the othe

r area is 5.7 feet. The sod costs y dollars per square foot. (Hint: Area of a square is l x w) Write an expression to show how much Robert will spend on sod.
Mathematics
2 answers:
Svetach [21]3 years ago
6 0
32.49y+56.25y

Take 5.7*5.7=32.49
Take 7.5*7.5=56.25
Those are the areas of each square shaped areas in Roberts backyard. Multiply each by then cost of y and then add both together...
iris [78.8K]3 years ago
3 0

Answer:

The expression becomes for the Robert will spend on sod.

x = 56.25 y + 32.49 y

Step-by-step explanation:

Let us assume that the  Robert will spend on sod = x

As given

Robert is replacing sod in two square-shaped areas of his backyard.

As given Formula in the question

Area of a square = L × B

Where l is the length and B is breadth .

(As in the case of the square all sides are equal.)

Thus

Area of a square = L × L

                            = L²

One side of the first area is 7.5 feet.

Area of square for first  = 7.5 × 7.5

                                       = 56.25 feet²

One side of the other area is 5.7 feet.

Area of square for other  = 5.7 × 5.7

                                          = 32.49 feet²

As given

The sod costs y dollars per square foot.

Thus the expression becomes

x = 56.25 y + 32.49 y


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Anon25 [30]

Answer:

Price of 1 adult ticket is <u>$10.8</u> and Price of 1 children ticket is <u>$5.4</u>.

Step-by-step explanation:

Given:

Number of adults = 2

Number of Children = 6

Total Amount of tickets sold = $54.

We need to find the price of one children's ticket and one adult ticket.

Solution:

Let the Cost of 1 adult ticket be 'x'.

Now Given:

Children tickets are on sale,half price of adult tickets.

Cost of 1 Children ticket = \frac{1}{2}x

Total Amount is equal to Number of adults multiplied by Cost of adult ticket plus Number of Children multiplied by Cost of Children ticket.

Framing in equation for we get;

2x+\frac{1}{2}x\times 6=54\\\\2x+3x=54\\\\5x=54\\\\x=\frac{54}{5} = \$10.8

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Cost of 1 children ticket = \frac{x}{2}=\frac{10.8}{2} = \$5.4

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7 0
3 years ago
An acute angle, θ, is in a right triangle such that sin of theta is equal to 3 over 8 period What is the value of cot θ?
Serggg [28]

We want to find the value of cot(θ) given that sin(θ) = 3/8 and θ is an angle in a right triangle, we will get:

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So we know that θ is an acute angle in a right triangle, and we get:

sin(θ) = 3/8

Remember that:

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Then we have:

opposite cathetus = 3

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Now we can solve this for the adjacent cathetus, so we get:

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And we know that:

cot(θ) = (adjacent cathetus)/(opposite cathetus)

Then we get:

cot(θ) = (√55)/3

If you want to learn more, you can read:

brainly.com/question/15345177

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Hey! Hope that I can help.

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