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4 years ago

9

you are baking cookies for your class. there are 23 students in your class and you have already baked 12 cookies. Write and solv

e an equation to find the additional number x cookies you need to bake in order to have 2 cookies for each student

1 answer:

8090 [49]4 years ago

4 0

12 + 2x=23 is my guess

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Farmer bob's square plot ofland is slowly eroding away. Worried about the future of his farm. Farmer Bob measures the rate of er

kow [346]

Answer:

Option A.

Step-by-step explanation:

Area of a square is

$A=x^2$ .... (1)

where, x is side length.

The length of each side of his square plot is decreasing at the constant rate of 2 feet/year.

$\dfrac{dx}{dt}=2$

It is given that bob currently owns 250,000 square feet of land.

Fist find the length of each side.

$A=250000$

$x^2=250000$

Taking square root on both sides.

$x=500$

Differentiate with respect to t.

$\dfrac{dA}{dt}=2x\dfrac{dx}{dt}$

Substitute x=500 and $\frac{dx}{dt}=2$ in the above equation.

$\dfrac{dA}{dt}=2(500)(2)$

$\dfrac{dA}{dt}=2000$

Farmer bob is losing 2,000 square feet of land per year.

Therefore, the correct option is A.

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3 years ago

9. Leonard made a deposit of $4,500 into a

taurus [48]

Answer:

id say a

Step-by-step explanation:

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3 years ago

What is 12/24 - 10/23

Elodia [21]

The LCD of 24 and 23 is 552, so 276/552 - 240/552 = 36. After simplifying 36/552, you get 3/46 and that is your answer.

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3 years ago

Which is the graph of the system of inequalities

Leni [432]

Answer:

A

Step-by-step explanation:

Try testing each graph by picking a point on the shaded region or none shaded region.

-1/5 and 6= y-intercept

4/5 and 2= slope

You may notice that it is in y-intercept form. So to find where the shaded region goes, test a coordinate and apply it to the equation, if the answer is false, than half of the line is not where the shaded region goes.

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3 years ago

There is a 10% chance of rain tomorrow. A spinner with 10 sections is spun to simulate the probability of rain. If the results a

musickatia [10]

Answer:

On the simulation prediction you got a 10% chance

While in the experimental one the average is 42%

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3 years ago