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Phoenix [80]
3 years ago
9

The equation c = 2000 + 3r represents the cost in dollars (C) of producing remote

Mathematics
1 answer:
ladessa [460]3 years ago
8 0

Answer:

The cost of producing 1000 remote controls is $5000.

Step-by-step explanation:

You have to substitute r = 1000 into the expressions :

c = 2000 + 3r

let \: r = 1000

c = 2000 + 3(1000)

c = 2000 + 3000

c = 5000

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B is the midpoint of AC. What is the length of AB? AB is 9x+7 and BC is -3x+20
ahrayia [7]
<h3>Answer:</h3>

AB = \frac{67}{4}\\

<h3>Step-by-step explanation:</h3>

If B is the midpoint of \overline{AC} then AB is just half of AC and also, BC is just half of AC. This means that AB must be equal to BC. Essentially, 9x +7 = -3x +20 and we can solve for the of x from that equation.

9x +7 = -3x +20 \\ 9x +7 +3x = -3x +20 +3x \\ 12x +7 = 20 \\ 12x +7 -7 = 20 -7 \\ 12x = 13 \\ \frac{12x}{12} = \frac{13}{12} \\ x = \frac{13}{12}

Now we can solve for AB

AB = 9(\frac{13}{12}) +7 \\ AB = 3(\frac{13}{4}) +7 \\ AB = \frac{39}{4} +7 \\ AB = \frac{39}{4} +\frac{28}{4} \\ AB = \frac{67}{4}

8 0
3 years ago
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Answer:

Step-by-step explanation:

Part time workers  daily rate = x.

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4 0
3 years ago
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Brrunno [24]

Answer:

45mm^{2}

Step-by-step explanation:

3cm x 1.5cm

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3 x 1.5 = 4.5

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Hope this helps!

4 0
3 years ago
Which number line represents the solution to -3x ≤ 6?
ivolga24 [154]

Answer:

Given inequality:

-3x\leq6

To represent the given inequality in number line.

We will solve the inequality to represent it in the number line.

-3x\leq6

Dividing both sides by -3

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x\geq -2

So, the solution in the number line will show all values up to infinity to the right of -2 including -2

7 0
4 years ago
What is the solution of this equation?<br> -7 + 1/3b = -6
jek_recluse [69]

Answer:

b=3

Step-by-step explanation:

-7+1/3b=-6

+7         +7

1/3b=1

*3    *3

b=3

7 0
3 years ago
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