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deff fn [24]
4 years ago
8

} = " alt="7 +( { - 8} )^{2} = " align="absmiddle" class="latex-formula">
I need the awnser to that.​
Mathematics
2 answers:
tankabanditka [31]4 years ago
7 0

Answer:

71

Step-by-step explanation:

Yakvenalex [24]4 years ago
5 0

Answer:

71 yw

Step-by-step explanation:

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1) Find two real numbers whose sum is 30 and whose product is maximized.
sladkih [1.3K]

Answer:

1) Both 15.

2) 25 and -25.

Step-by-step explanation:

1) Let the 2 numbers be x and 30 - x.

The product  = x(30 - x)

f(x) = x(30 - x)

f(x) = 30x - x^2

Finding  the derivative:

f'(x) = 30 - 2x

Finding the maximum:

30 - 2x = 0

x = 15.

This gives a maximum f(x) because f"(x) = -2.

So the numbers are  15 and 30 - 15 = 15.

2).  If one number is x the other is y.

x - y = 50

y = x - 50

The product =

x(x - 50)

= x^2 - 50x

Finding the derivative:

2x - 50 = 0   for  a minimum value.

2x = 50

x = 25.

So the numbers are  25 and 25-50 = -25.

6 0
4 years ago
hurry ibwill give brainlest What does Newton's second law of motion state? Every action has an equal and opposite reaction O Abo
Mnenie [13.5K]

Answer:

yes

Step-by-step explanation:

8 0
2 years ago
Provide an appropriate response. A private opinion poll is conducted for a politician to determine what proportion of the popula
Aloiza [94]

Answer:

Step-by-step explanation:

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6 0
3 years ago
If an airplane descends 15 feet every 1.45 seconds, how far would the airplane travel in three and a half minutes? The equation
NemiM [27]

\qquad\qquad\huge\underline{{\sf Answer}}

Here we go ~

The air plane descends 15 feels every 1.45 seconds, so it's unit rate is :

\qquad \sf  \dashrightarrow \:  \dfrac{15}{1.45} \:  \:  ft / sec

Now we have to calculate the descent in 3.5 minutes ~

\qquad \sf  \dashrightarrow \:  \dfrac{15}{1.45} \:  \:   \times 3.5 \times 60

\qquad \sf  \dashrightarrow \: 2172.41 \:  \: ft

So, the airplane descends 2172.41 feels in three and a half minutes ~

5 0
2 years ago
Kelly paid $45.36 for a sweater that was on sale for 25% off the original price. She paid 8% sales tax on the sale price.
natima [27]

The sales tax is determined by computing a percent of the purchase price. To find the sales tax multiply the purchase price by the sales tax rate. Remember to convert the sales tax rate from a percent to a decimal number. Once the sales tax is calculated, it is added to the purchase price.

Step-by-step explanation: Sorry if this doesn't help....

4 0
3 years ago
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