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lana66690 [7]
3 years ago
9

What is the missing number?

Mathematics
1 answer:
andriy [413]3 years ago
6 0
As it appears to be the same thing on both sides so far wouldn't you think that it's 8?
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A fruit shop sells dried fruit by the pound. The cost for x pounds of raisins is represented by the equation y=3.5x, where y is
DanielleElmas [232]
Raisins has the lowest unit rate, which is 3.5x. Cranberries unit rate is 4.5 (18/4).

Please vote my answer brainliest. thanks!
5 0
3 years ago
A rectangle has a perimeter of 30 ft. Find a function that models its area A in terms of the length x of one of its sides. What
Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

Let the other side of the rectangle be y. The perimeter of the rectangle is expressed as P = 2(x+y)

Given P = 30ft, on substituting P = 30 into the expression;

30 = 2(x+y)

x+y = 15

y = 15-x

Also since the area of the rectangle is xy;

A = xy

Substitute y = 15-x into the area;

A = x(15-x)

A = 15x-x²

The function that models its area A in terms of the length x of one of its sides is A = 15x-x²

The side of length x yields the greatest area when dA/dx = 0

dA/dx = 15-2x

15-2x = 0

-2x = -15

x = -15/-2

x = 7.5 ft

Hence the side length, x that yields the greatest area is 7.5ft.

Since y = 15-x

y = 15-7.5

y = 7.5

Area of the rectangle = 7.5*7.5

Area of the rectangle = 56.25ft²

6 0
3 years ago
Lucy's family purchased one sweatshirt and 4 t-shirts for $110. Mark's family bought three sweat-shirts and 4 t-shirts for $200.
omeli [17]
T-shirt are 20 each and sweatshirt are 30
6 0
4 years ago
Determine the range of the graph above
kozerog [31]

Answer:

The range of the graph is:

-3 ≤ y ≤ 3

Hence, option (B) is correct.

Step-by-step explanation:

We know that the range of a function is the set of values of the dependent variable 'y' for which a function is defined.

From the given graph, it is clear that the graph goes down at y=-3 and then goes up to y=3  and then goes down again.

In fact, this indicates that the range of the graph lies between y=-3 to y=3

Therefore, the range of the graph is:

-3 ≤ y ≤ 3

Hence, option (B) is correct.

8 0
3 years ago
John jogged 4 1/2 miles. Susan jogged 1/4 of the miles that John jogged. How many miles did Susan jog?
Kobotan [32]

Answer:

Susan jogged 1 1/8 miles

Step-by-step explanation:

4 1/2= 18/4.   18/4 ÷ 1/4= 1.125= 1 1/8

6 0
3 years ago
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