4 years ago

A cafe owner wants to know how many cold drinks she is likely to sell next week

1 answer:

3 0

she would first calculate how many drinks she sell the other weeks and know the rate at which each customer buy the drinks.

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A rectangular piece of cardboard that is 7 inches by 20 inches has squares of length x inches on a side cut from each corner.

adoni [48]

Answer:

The remaining area in the form of a polynomial function $A(x)= 140-4x^2$ where 0 < x < 3.

Step-by-step explanation:

Breadth of rectangular piece of cardboard = 7 inches

Length of rectangular piece of cardboard = 20 inches

Area of cardboard = $Length \times Breadth$

Area of cardboard = $20 \times 7$

Area of cardboard = $140 in^2$

Squares of length x inches on a side cut from each corner.

Length of square = x

Area of 1 square = $Side^2 = x^2$

Area of 4 squares = $4x^2$

Area of remaining portion $A(x)= 140-4x^2$

So, the remaining area in the form of a polynomial function $A(x)= 140-4x^2$ where 0 < x < 3.

4 0

3 years ago

A cave diver descends 110 feet in 10 minutes at a constant rate. Express the rate of the cave diver's change in position as a r

nasty-shy [4]

Answer:

-110/10 ft/min

Step-by-step explanation:

Since the position changes to negative, the rate is:

-110 ft / 10 min =
-110/10 ft/min =
-11 ft/min

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3 years ago

What is the value of t rounded to the nearest tenth 12.4 10.2 8.9 6.4

rusak2 [61]

Answer:

6.4

Step-by-step explanation:

Find measurement of leg using pythagorean theorem

b^2 = c^2- a^2

b^2= 13^2 - 4^2

b^2= 169-16

b^2= 153

b= 12.4

t+6= 12.4

subtract 6 from both sides

t= 6.4

8 0

4 years ago

Ann has 14 white socks. Bill has 6 white socks.how many more white socks does Ann have than Bill? Write or draw to show your wor

Bingel [31]

14-6=8. So Ann has 8 more white socks than Bill. Hope this helps.

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3 years ago

What type of function has exactly one output for each input? Balanced, even, one-to-one, onto

Mrac [35]

Answer:

A balanced function

8 0

4 years ago