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3 years ago

Estimate the product of 17 and 234 4,000 2,000 6,000 3,000

Mathematics

2 answers:

zubka84 [21]3 years ago

8 0

Answer:

I believe the answer is D?

Step-by-step explanation:

slega [8]3 years ago

8 0

4,000 4,000 4,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,0004,000

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Among all pairs of numbers whose difference is 20, find a pair whose product is as small as possible. what is the minimum produc

Elza [17]

Answer:

-100

-10, 10

Step-by-step explanation:

Let the smaller number be x.

Then the larger number is x + 20.

The product is x(x + 20).

Now you can write the function

y = x(x + 20)

y = x^2 + 20x

Take the first derivative of y with respect to x.

y' = 2x + 20

Set the first derivative equal to zero to find the x value for the minimum value of the function.

2x + 20 = 0

2x = -20

x = -10

The minimum value of the function occurs at x = -10. -10 is one of the two numbers.

y = x^2 + 20x

For x = -10,

y = (-10)^2 + 20(-10)

y = 100 - 200

y = -100

The minimum value of the product is -100.

x = -10

x + 20 = -10 + 20 = 10

The numbers are -10 and 10.

If you have not learned derivatives yet, then plot the function

y = x^2 + 20x

Now look at the graph and find the minimum y value and the x value at which it occurs.

The minimum y value is -100. That is the minimum product you are looking for.

The x value of the minimum function value is x = -10.

Then x + 20 = -10 + 20 = 10.

The numbers are -10 and 10.

4 0

3 years ago

Please help me with this math problem!! Will give brainliest!! :)

8090 [49]

Answer:

A. 17

B. 16

Step-by-step explanation:

F(5)

5 > 2 so you plug the 5 into 3x+2

F(-2)

-5 < -2 < 2 so you plug the -2 into (x-2)^2

7 0

1 year ago

Write an equation of the line that passes through the point (4, –5) with slope 2.

Jlenok [28]

Answer:

y + 5 = 2(x−4)

Step-by-step explanation:

slope = 2

y = mx + b

-5 = 2(4) + b

-5 = 8 + b

-8 -8

------------------

-13 = b

y = 2x - 13, in other words --> y + 5 = 2(x−4)

So, y + 5 = 2(x − 4) is the equation of the line that passes through (4, -5).

5 0

2 years ago

Read 2 more answers

Given f(x)=2x-10 determine the value if f(x)=8

koban [17]

Answer:

f(x)=2x-10 ______(given)

f(x)=8 _______(given)

Therefore, according to the above problem

2x-10=8

2x=10+8

2x=18

x=18/2

<h3><u>9</u> is the right answer.</h3>

6 0

2 years ago

Read 2 more answers

Round numerical answers to the nearest hundredth, if necessary.

MAXImum [283]

We are to find how long will it take to return to the ground?

Answer:

t = 0.48 sec

Step-by-step explanation:

We are given;

initial velocity; vi = 40 ft/s

hi = 70 ft

acceleration due to gravity; a = 32 ft/s²

Now, we are given that the rocket's height as a function of time is;

h = -12at² + vit + hi

At ground, h = 0

Plugging in the relevant values to obtain ;

0 = -12(32)t² + 40t + 70

-384t² + 40t + 70 = 0

The roots of the equation gives; t = 0.48 sec

6 0

3 years ago