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musickatia [10]
3 years ago
5

I need help with number 5 please

Mathematics
1 answer:
JulsSmile [24]3 years ago
5 0
C(t) = $2t + $8

This tells us that the basic cost of the pizza is $8, with no toppings, and that each topping costs an additional $2.

To graph this, plot a dot at (0,$8).  Now move y our pencil point 1 unit to the right and then 2 units up.  Plot a dot at this new location.  Now draw a straight line connection (0, $8) and this new location (which is   (1, $10)  ).

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Youre amazing!!! could you help me? 50 points!!! Write an expression that can be used to produce vector d from vector c, and exp
andrew-mc [135]

Answer:

Multiply vector c by the scalar -1/2.

Step-by-step explanation:

Look at vector c.

It has an x component of 4 and a y component of 4.

You can write vector c as a sum of its components using unit vectors in the x direction (i) and in the y direction (j).

c = 4i + 4j

Now look at vector d, and write it also as a sum of its x and y components.

d = -2i - 2j

Now ask yourself, what operation do I do to 4 to end up with -2?

One answer is to multiply 4 by -1/2.

d = (-1/2)c = (-1/2)(4i) + (-1/2)(4j) = -2i - 2j

That worked. By multiplying vector c by the scalar -1/2, you end up with vector d.

8 0
2 years ago
For cheerleading practice, Kiara must be able to lift her legs so that they are parallel to her outstrached arms. For each side
podryga [215]
If this is the dance position you are describing, then the arm and the leg of the dancer both make "right" angles (90º angles) to the floor.
5 0
3 years ago
Please help. It’s a picture
Korolek [52]
$260

I don’t know what model/formula you are supposed to be using.

But what I did first was calculated what 30% of 2700$ is.
2700 x .3 = 810

So it depreciates $810 per year.

$810 x. 3 years = 2430

2700 - 2430 = 260

In three years, the laptop will be worth $260
6 0
3 years ago
QUESTION 3 of 10: Stock returns vary from year to year. The more variance a stock displays the greater the potential risk. These
Dahasolnce [82]

Answer:

The variance of these investment returns is 74

Step-by-step explanation:

Given:

Series =  10, 30, 15, 5, 20

To Find:

variance of a series = ?

Solution:

The variance of the series = Var\left(X\right)=\sum _{i=1}^n\frac{\left(x_i-\bar{x}\right)^2}{n}

\bar{x} = \frac{10+30 +5+15 + 20}{5}

\bar{x} = \frac{80}{5}

\bar{x} =16

Now (x_i -\bar{x})^2 = (10 -16)^2 + (30 -16)^2 + (5 -16)^2 +(15 -16)^2 +(20 -16)^2

= (-6)^2 + (14)^2 + (-11)^2 + (-1)^2+ (-4)^2

= 36  + 196 +121 +  1+ 16

=  370

Now

Var\left(X\right)=\frac{370}{5} =  74

6 0
3 years ago
Read 2 more answers
PLEASE HELP GIVING POINTS
creativ13 [48]
The answer would be -13/3
5 0
2 years ago
Read 2 more answers
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