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3241004551 [841]
2 years ago
9

Use quadratic regression to find

Mathematics
1 answer:
MA_775_DIABLO [31]2 years ago
5 0

Answer: y = 1x^2 - 12x + 15

Step-by-step explanation:

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Keith has $500 in his savings account at the beginning of the summer. He
bixtya [17]

Answer:

12

weeks

Explanation:

If Keith starts with

$

500

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he can withdraw up to

$

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−

$

200

=

$

300

If he withdraws

$

25

week

the

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300

will last

XXX

$

300

$

25

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12

weeks

Step-by-step explanation:

I apologize if this isn't correct, I tried

7 0
3 years ago
Read 2 more answers
Four times a number, minus 9, is equal to three times the number, plus 6
marshall27 [118]
4 x p - 9 = 3 x p + 6  
Hope it helped 
7 0
3 years ago
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Find the difference quotient of the exponential function, f(x) = e^x
Orlov [11]

Answer:

Step-by-step explanation:

The difference quotient in general looks like

\frac{f(x+h)-f(x)}{h}   Sometimes the symbol "delta x"  \Delta x   is used instead of h.

For the exponential function, the difference quotient is

\frac{e^{x+h}-e^x}{h}

5 0
3 years ago
A farmer has a truckload of watermelons to take to market. At the beginning of the trip, the watermelons weigh 1000 kg. 99% of t
Mariulka [41]

Answer:

The weight of watermelon at the end of the trip is <u>500 kg.</u>

Step-by-step explanation:

Given:

The weight of watermelons is 1000kg.

At the beginning of the trip watermelon is 99% of the weight:

99% of 1000kg

\frac{99}{100}\times 1000

=0.99\times 1000

= 990 kg

Now, at the end of the trip it is 98% of weight. So, let x kg of water has been evaporated. So, remaining weight of the watermelon is 1000-x.

If x kg of water is removed, then the amount of water left is 990-x.

As per question, water now weighs 98% of the total weight. So,

98% of (1000-x) = 990-x

\frac{98}{100}\times (1000-x)=990-x

980-0.98x=990-x

-0.98x+x=990-980 (Bringing like terms on one side)

0.02x=10\\x=\frac{10}{0.02}=500\ kg

Therefore, the weight of watermelon at the end of the trip is given as:

Weight = 1000 - x = 1000 - 500 = 500 kg

Therefore, the watermelon weighs 500 kg at the end of trip.

7 0
3 years ago
Read 2 more answers
A video streaming company has two monthly plans to choose from: Plan A
bearhunter [10]

Answer:

<em>Plan A</em>

Step-by-step explanation:

Plan A -

$7 + 2.50(5)

$7 + $12.50

Plan A = $19.50

Plan B-

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Plan A is the cheapest, therefore it is the best plan.

Hope this helped! :)

6 0
3 years ago
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