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larisa [96]
2 years ago
11

Can you help me with this problem I'm doing school virtually and I don't know what to do on this.

Mathematics
1 answer:
Lapatulllka [165]2 years ago
4 0

Answer:

d <u>></u> 9

Step-by-step explanation:

An easy way to do these questions is to treat the >/</<u>></u>/<u><</u> symbols as if they were an equals sign.

So for this question, pretend it is d+13=22 then take away 13 from both sides which will give you d=9, then after that you'll just switch the symbol back and write your answer as d <u>></u> 9.

Hope this helps :)

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A line contains the points (82, -96) and (87, -86)
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Step-by-step explanation:

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2 years ago
1 ball of wool is 125m, how many balls are there with 604m??
forsale [732]

Answer:

4.8 balls of wool

Step-by-step explanation:

604÷125=4.8

6 0
2 years ago
How much would you need to deposit in an account now in order to have $5000 in the account in 10 years? Assume the account earns
Blababa [14]

Answer:

$12500

Step-by-step explanation:

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6 0
3 years ago
A car rental agency has 150 cars. The owner finds that at a price of $48 per day, he can rent all the cars. For each $2 increase
hram777 [196]
Given that for each <span>$2 increase in price, the demand is less and 4 fewer cars are rented.

Let x be the number of $2 increases in price, then the revenue from renting cars is given by
(48 + 2x) \times (150 - 4x)=7,200+108x-8x^2.

Also, given that f</span><span>or each car that is rented, there are routine maintenance costs of $5 per day, then the total cost of renting cars is given by
5(150-4x)=750-20x

Profit is given by revenue - cost.
Thus, the profit from renting cars is given by
</span><span>(7,200+108x-8x^2)-(750-20x)=6,450+128x-8x^2

For maximum profit, the differentiation of the profit function equals zero.
i.e.
</span><span>\frac{d}{dx} (6,450+128x-8x^2)=0 \\  \\ 128-16x=0 \\  \\ x= \frac{128}{16} =8

The price of renting a car is given by 48 + 2x = 48 + 2(8) = 48 + 16 = 64.

Therefore, the </span><span>rental charge will maximize profit is $64.</span>
3 0
3 years ago
write the equation of the line, with the given properties, in slope-intercept form. slope = -5, through (-4,4)
Daniel [21]

Answer: y=-5x-16

Step-by-step explanation:

Since we are given the slope and the point, we can plug in the point to solve for y-intercept.

4=-5(-4)+b          [multiply]

4=20+b               [subtract both sides by 20]

b=-16

Now, we know the equation is y=-5x-16.

3 0
3 years ago
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