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Nitella [24]
2 years ago
8

Which is the graph of f(x) = 3x.

Mathematics
1 answer:
siniylev [52]2 years ago
5 0

Answer:

The answer is in the link

Step-by-step explanation:

I hope it helps

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Anton has 4 pennies, 1 dime, and 2 dollar bills. He buys a granola bar for $0.89. How much money does he have left?
const2013 [10]

Answer:

$1.25

Step-by-step explanation:

2 × $1 = $2

4 × 1 = 4

1 × 1 = 10

$2 + 4 + 10

$2.14

$2.14 - $0.89

$1.25

4 0
3 years ago
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Question is down below, best answer gets Brainliest! Good luck!
Westkost [7]

Answer:

976cm^2

Step-by-step explanation:

Surface area:

Ara of cross section x 2 = 1/2 x 2 x 14 x 24 = 14 x 24 = 336

Area of base = 14 x 10 = 140

area of slope x 2 = 25 x 10 x 2 = 500

Total surface area = 500+140+336 = 640 + 336 = 973cm^2

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3 years ago
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A biologist estimated that the current population of ladybugs in the region was 8.3 x 106. He predicts that a swarm of
stiks02 [169]

Answer:

iId

Step-by-step explanation:

6 0
3 years ago
Find three consecutive number whose sum is 438
Sveta_85 [38]

Answer:

145,146,147

Step-by-step explanation:

Let x be the first number

x+1 is the next number

x+1 +1 is the next number

The sum of these three number is

x + x+1 + (x+1+1) = 438

Combine like terms

3x +3 = 438

Subtract 3 from each side

3x+3-3 = 438-3

3x= 435

Divide by 3

3x/3=435/3

x = 145

x+1 =146

x+1+1 = 147

8 0
3 years ago
A firm produces a commodity and receives $100 for each unit sold. The cost of producing and selling x units is 20x 0.25x 2 dolla
vekshin1

Answer:

160 units and $6400

Step-by-step explanation:

We have that the cost per x unit is: 20 * x + 0.25 * x ^ 2

the price per unit is 100, therefore revenue for each unit would be 100 * x

However:

profit = revenue - cost

p (x) = 100 * x - 20 * x - 0.25 * x ^ 2

for the maximum value profit we must derive and equal 0:

p '(x) = 100 - 20 - 0.5 * x

0 = 80 - 0.5 * x

0.5 * x = 80

x = 80 / 0.5

x = 160

Therefore, the maximum profit occurs when there are 160 units, replacing we have:

p (x) = 100 * 160 - 20 * 160 - 0.25 * 160 ^ 2

p (x) = 6400

that is to say that the $ 6400 is the maximum profit.

4 0
3 years ago
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