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navik [9.2K]
2 years ago
6

Lucia earns $150 each week. She saves 12% of her earnings.

Mathematics
2 answers:
tatiyna2 years ago
5 0
$18 i think............
dybincka [34]2 years ago
4 0

Answer:

18 because

12% = money saved / total earned money * 100

Step-by-step explanation:

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14 bugs are crawling on the steps. Some of the bugs are black, and 4 are
docker41 [41]

Answer:

b  = 14-4

Step-by-step explanation:

Let the number of black bugs be b

Let the number of green bugs be g

If 14 bugs are crawling on the step, then;

b + g = 14 ....1

If there are 4 green bugs, then g = 4

Substitute g = 4 into the equation

b + g = 14

b + 4 = 14

b = 14 - 4

Hence the sentence that can be required to find the number of black bugs is b  = 14-4

8 0
3 years ago
Which of the following is a multiple of 8?<br> A: 22<br> B: 48<br> C: 18<br> D: 30
strojnjashka [21]
The correct answer is:
B: 48

Hope this helped!
3 0
2 years ago
An automobile firm wants to purchase either machine A or machine B. The intial cost of machines A and B are $40,000 and $50,000,
Fynjy0 [20]

Answer:

C. $118,000 and $110,000, respectively.

Step-by-step explanation:

Please consider the complete question.

An automobile firm wants to purchase either machine A or machine B. The intial cost of machines A and B are $40,000 and $50,000, respectively. The power consumption per year of machines A and B are 120 MWh and 100 MWh, respectively. The power cost is $40/MWh. The estimated operating and maintenance cost over 10 years is $30,000 for machine A and $20,000 for machine B.

First of all, we will find the amount spent on power consumption for 10 years by each machine as:

\text{Machine A}=10\cdot 120(\$40)\\\text{Machine A}=\$48,000

\text{Machine B}=10\cdot \$100(\$40)\\\text{Machine A}=\$40,000

Now, we will find overall cost of machines A and B by adding initial cost, power consumption for 10 years and maintenance cost as:

\text{Overall cost of machine A}=\$40,000+\$48,000+\$30,000

\text{Overall cost of machine A}=\$118,000

\text{Overall cost of machine B}=\$50,000+\$40,000+\$20,000

\text{Overall cost of machine B}=\$110,000

Therefore, the overall cost of machines A and B are $118,000 and $110,000, respectively and option C is the correct choice.

6 0
3 years ago
State the X- and Y- intercepts of each function. <br> 4x - 6y = 12
kupik [55]
X  is 3
y is 2
you have to replace x with a zero and divide 12 by it and then you do the same for y
5 0
3 years ago
Factor 2x^3 +x^2-15x-18
chubhunter [2.5K]

Factor the polynomial

(x-3)(2x+3)(x+2)

7 0
3 years ago
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