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IgorC [24]
3 years ago
6

Chart and assignment above, any actual help is appreciated!! Eighth grade math :)

Mathematics
1 answer:
Minchanka [31]3 years ago
4 0
1. Car Mart sell 11 cars per day.
You can use the table by looking at day 2 and day 3. You can see underneath it, it shows how many cars is left after that particular day. So from day 2, you have 43 cars left and day 3, you got 32 cars left. From 43 car to 32 car is losing 11 car. So each day the Car Mart sell 11 car.

2. First we know that after 3 days, Winston have 32 cars left and after 5 day, it has 12 cars left.
Here’s the chart that I made for Winston:
Each day, Winston’s sell 10 cars. (Lose 10 cars per day)

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What is the decimal multiplier to decrease by 78%?
torisob [31]

Answer:

0.22

Step-by-step explanation:

Let assume the number to be reduced be 100

Reducing it by 78% will be:

100 - ( 78% of 100 )

100 - (78/100)×100

100 - 0.78 × 100

100 - 78 = 22

Since the answer is 22. Hence,

22/100 will be the multiplier

0.22 × 100 = 22

kaypeeoh72z and 11 more users found this

Step-by-step explanation:

3 0
2 years ago
A company sells widgets. The amount of profit , ymade by the company, is related to the selling price of each widget, x, by the
Bezzdna [24]

Answer:

$732

Step-by-step explanation:

Given

y \to profit

x \to widgets

y = -x^2 + 64x - 292

Required

The maximum profit

First, we calculate the maximum amount of widgets that can be sold using:

x = -\frac{b}{2a}

Where:

a = -1; b = 64; x = -292

So, we have:

x = -\frac{64}{2 * -1}

x = -\frac{64}{-2}

x = -(-32)

x = 32

The maximum profit is:

y = -x^2 + 64x - 292

y = -(32)^2 + 64 * 32 - 292

Using a calculator, we have:

y = 732

7 0
3 years ago
What is the area?<br><br> Write your answer as a fraction or as a whole or mixed number.
Luden [163]

Answer:

2.7

Step-by-step explanation:

1.8 x 1.5 = 2.7

5 0
3 years ago
What is the slope of the line that passes through the points (5,-5) and (5, - 7)?
anyanavicka [17]

Answer:

-2/0

Step-by-step explanation:

I am pretty sure this is called undefined.

8 0
3 years ago
Read 2 more answers
Y is directly related to x and y is 81 when x is 27 the constant of.variation is
s2008m [1.1K]

Answer:

k = 3

Step-by-step explanation:

Given that y and x are directly related then the equation relating them is

y = kx ←  k is the constant of variation

To find k use the condition y = 81 when x = 27

k = \frac{y}{x} = \frac{81}{27} = 3

8 0
3 years ago
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