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Nikitich [7]
4 years ago
9

A-(b+c)for a=2 b=-5 c=8

Mathematics
1 answer:
Ksivusya [100]4 years ago
6 0

Answer:

-1

Step-by-step explanation:

A-(b+c)

Let a=2 b=-5 c=8

2 - (-5+8)

2 - (3)

2-3

-1

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Elena-2011 [213]
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4 0
3 years ago
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The cost to manufacture a product is proportional to the quantity produced, with a cost of $35000 dollars per day when 700 items
ollegr [7]

Solution :

$T_1$ = k.n (cost proportional to quantity)

35000 = k . 700

k = $\frac{35000}{700}$

  = 50

So $T_1$ = 50 n

Now $T_2=Pn^2$     (cost proportional to square of n)

$3430= P(700)^2$

3430 = 490000 P

$P = \frac{3430}{490000}$

$P = \frac{7}{1000}$

$T_2=\frac{7}{1000}n^2$

Now, $T_3= 7000$   (fixed)

Therefore,

Total, $T=T_1+T_2+T_3$

$T=50n+\frac{7}{1000}n^2+7000$

$T=0.007n^2+50n+7000$

7 0
3 years ago
Simplify the expression. If not possible, write simplified.
umka2103 [35]

Answer:

-56c+ 30

Step-by-step explanation:

4c + 10(3 – 6c)

Rearrange terms

4c + 10(3 – 6c)

4c+10(-6c+3)

Distribute

4c+10(-6c+3)

4c-60c+30

Combine like terms

4c-60c+30

-56c+30

Common factor

-2(28c-15)

Distribute

-2(28c-15)

-56c+30

Solution:

-56c+30

8 0
2 years ago
3. A city planner is measuring the distance of one city block. Which unit of measure should she use: 1 mile, 1 meter, 1/2 inch?
yawa3891 [41]
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4 0
3 years ago
1. Evaluate x + 6 when x=7<br> Thank you!
ahrayia [7]
X=7

So...

7+6=13

Hope this helps!
4 0
3 years ago
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