The sum of 5x and 2x is at least 14

Answers

Answer 1

Answer:

5x + 2x >= 14

hope it helps

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Please help thank you :)

Answers

Answer:

4.5

Step-by-step explanation:

because trust me.

A population of 500 beetles is expected to grow at a rate of 70% per week.Which number is the best prediction of the population after 15 weeks?
1380
2862
525,000
1,431,212

Answers

The number of beetles after 15 weeks = 1,431,212

Calculating total population

The total number of beetles = 500

The rate at which the beetle should grow = 70% per week

Therefore 70% of 500= 70/100 × 500

=35000/100

= 350 per week.

That is every week there would be additional 350 beetles

which is = 500 + 350 = 850 beetles

850/500 = 1.7 times what it was the beginning of the week

Therefore in 15 weeks = 500× 1.7^15

= 500 × 2862.4231

= 1,431,212

Learn more about population here:

brainly.com/question/25630111

Answer:1,431,212

Step-by-step explanation:

took the test

A total of 60 students in Brooke's school are taking a spanish class this year. This is 25% more than the number of students who take a spanish class last year. Is the answer 45 or 48? Why?

Answers

Number of students taking Spanish class this year in Brooke's school = 60
Percentage increase in the number of students
taking Spanish class from last year = 25%
Then
Number of students that are taking Spanish
class more than last year = 25/100 * 60
= 15
Then
The number of students that took Spanish class last year = 60 - 15
= 45 students
So the number of students that took Spanish class last year was 45. I hope the answer is clear to you and the procedure is also easy for you to understand.

Explain the steps you would take to write 36/10 as a decimal

Answers

When anything is divided by 10 we just move the decimal 1 place to the left So 36.0 once divided by 10 would become 3.6

To make a fraction into a decimal, divide the numerator by thedenominator.
36/10=3.6

I hope this helped you!!

PLEASE ANSWER! VERY IMPORTANT LAST IMPORTANT QUESTION! MUST BE CORRECT! POINTS GIVEN! Emma said that when you multiply three negative decimals the answer will be positive. Use these numbers to answer the questions: –2.5, –3.8, –2.7, –4.5, 1.4

Emma changed her statement to say that when you multiply two negative decimals and a positive decimal the answer will be positive. Is Emma’s new statement always true, sometimes true, or always false? Write two equations to support your answer.

Answers

Emma is always. When solving, you use the PEMDAS method going from left to right.

Your equation would be something like " -2 * -2 * 4"
Because you would start with (-2 * -2) = 4 and then move to 4 * 4 = 16

If your equation were something like " -2 * 3 * -2"
You would do -2 * 3 = -6 and then move to -6 * -2 = 12

Remember "Two negatives = a positive"

A road crew must repave a road that is 2/5 miles long. They can repave 1/30 miles each hour. How long will it take the crew to repave the road?

Answers

Answer with explanation:

Total length of road $=\frac{2 \text{miles}}{5}$

Amount Repaved per Hour

$=\frac{1 \frac{\text{miles}}{\text{hour}}}{30}$

Using Unitary method

$\Rightarrow 1 \text{hour}=\frac{1 \text{miles}}{30}\n\n\Rightarrow 30 \text{hour}=1 \text{miles}}\n\n\Rightarrow \frac{2\text{miles}}{5}=30 * (2)/(5) \text{hour}\n\n\Rightarrow \frac{2\text{miles}}{5}=12 \text{hour}$

Total time taken by crew to repave the road= 12 hour

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