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2 years ago

13

Maryanne is making roast chicken for dinner. It takes 2 1/2 hours to cook. She plans to eat dinner at 6:00pm. At what time shoul

d she put the chicken in the oven?

1 answer:

satela [25.4K]2 years ago

4 0

Answer:

3:30

Step-by-step explanation:

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What Is the Answer To number 1 ?

DochEvi [55]

Answer: 4 apples for $3.64

Step-by-step explanation:

The best buy is going to be the one that costs the least. To figure this out, you divide the number of apples by the price. (do not round)

4/3.64=1.09

9/8.01=1.23

14/12.43=1.12

24/21.12=1.13

As you can see, the 4 apples for $3.64 is the better choice since the number is the least.

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3 years ago

If the graph is reflected across the y-axis, what will be the equation of the new graph?

Bumek [7]

Answer:

$\displaystyle b)y = { 3}^{ - x} + 1$

Step-by-step explanation:

we are given a exponential function

$\displaystyle y = {3}^{x} + 1$

we want to figure out the equation of the new graph reflected across the y-axis

remember that,

$\rm\displaystyle (x,y) \xrightarrow{ \text{ reflection over y - axis}}( - x,y)$

let y be $3^x+1$ so,

$\rm\displaystyle (x,y) \xrightarrow{ \text{ reflection over y - axis}}( - x, {3}^{ - x} + 1 )$

hence,

the equation of the new graph

$\displaystyle y = { 3}^{ - x} + 1$

5 0

2 years ago

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I need help ASAP!!!Please explain the answer

Stells [14]

Answer:

The formula for area is length times width.

it's 8m long, and 6m wide. When we multiply it, we get 48m that is for one side of the cube, so we count how many sides there is. There's 6, so we multiply 6 times 48 and the complete surface area for the whole cube is 288m

4 0

2 years ago

The width of a rectangle is increasing at a rate of 2 cm/sec, while the length increases at 3 cm/sec. At what rate is the area i

lorasvet [3.4K]

Answer:

The area of the rectangle is increasing at a rate of $22\ cm^2/s$ .

Step-by-step explanation:

Given : The width of a rectangle is increasing at a rate of 2 cm/ sec. While the length increases at 3 cm/sec.

To find : At what rate is the area increasing when w = 4 cm and I = 5 cm?

Solution :

The area of the rectangle with length 'l' and width 'w' is given by $A=l w$

Derivative w.r.t 't',

$\frac{dA}{dt}=w\frac{dl}{dt}+l\frac{dw}{dt}$

Now, we have given

$\frac{dl}{dt}=3\ cm/s$

$l=5\ cm$

$\frac{dw}{dt}=2\ cm/s$

$w=4\ cm$

Substitute all the values,

$\frac{dA}{dt}=(4)(3)+(5)(2)$

$\frac{dA}{dt}=12+10$

$\frac{dA}{dt}=22\ cm^2/s$

Therefore, the area of the rectangle is increasing at a rate of $22\ cm^2/s$ .

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2 years ago

a concert has 6 selections. there are 515 seats in each selection. about how many seats are in the concerts hall

Serjik [45]

Answer:

3090

Step-by-step explanation:

6 x 515

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2 years ago

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