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katovenus [111]
3 years ago
6

Ill give brainlest if right

Mathematics
1 answer:
muminat3 years ago
5 0

Answer: The Car is moving at a Constant positive speed

Step-by-step explanation:

the car is going in a positive direction at a time in which doesn't change so it is at a constant speed

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In 2009 there were 104 operating nuclear plants
kykrilka [37]

7.99 x 10^11  /  104. 

The total amount of energy produced per plant in 2009 was about 7,682,692,307

or 7.68 x 10^9 kWh of electricity.

7 0
3 years ago
A factory manufactures chairs and tables, each requiring the use of three operations: cutting, assembly, and finishing. The firs
cluponka [151]

Answer:

z(max) = 650 $

x₁ = 10 units

x₂ = 15 units

Step-by-step explanation:

That is a linear programming problem, we will use a simplex method to solve it

Formulation:

Let´s call  x₁  number of chairs   and x₂ number of tables then :

Item              (in hours)     cutting       assembly      finishing        Profit ($)

Chairs (x₁)                              1                   2                     1                      20

Tables (x₂)                              2                   1                      1                      30

Availability                           40                 42                   25

Objective Function

z  =  20*x₁   +  30x₂   ( to maximize) subject to:

x₁  +  2x₂   ≤  40

2x₁  + x₂    ≤  42

x₁ + x₂     ≤    25

x₁  ,   x₂  >= 0

Using excel or any other software we find:

z(max) = 650

x₁ = 10

x₂ = 15

7 0
3 years ago
Find the slope of the line.<br> Help?
nirvana33 [79]

Answer:

-1/2x

Step-by-step explanation:

We know point (-10, 0) and point (0,-5)

So, the slope would be -5/10 or simplified at -1/2

y= -1/2x

5 0
3 years ago
Read 2 more answers
Find the percent of 30$ board game on sale for 20.10$
inessss [21]
Easy, use these two formulas, to find Markdown:

Markdown=Original-New
and
Markdown%=\frac{Markdown Amount}{Original Selling Price} *100

So, plug in what you know.

Markdown= $30-$20.10
M=$9.90

Now, Markdown%

Markdown%=\frac{9.90}{30} *100
M%=0.33*100
M%=33

Thus, there was a 33% markdown.
6 0
3 years ago
Roberta Arthur had the following reciepts for the week of April 12th: 50$ gift; 25$ rebate; April 13th, 2.45$ refund on aluminum
oksian1 [2.3K]

Answer:

$329.44

Step-by-step explanation:

 $50-25= 25

 25.00-2.45=22.55

 299.89+22.55=322.44

322.44+7.00= 329.44

I didnt see april 15 if its supposed to be added i there just add 299.89 to the total.

7 0
3 years ago
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