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tensa zangetsu [6.8K]
3 years ago
6

The product of 5 and a number is at least 20.

Mathematics
1 answer:
svp [43]3 years ago
8 0

Answer:

Step-by-step explanation:

the answer is 5x\geq 20

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Out of 600 seniors at a local high school, 60% went on the senior trip. At the hotel, one room was reserved for every 4 students
butalik [34]

Given:

Total number of senior students = 600

60% went on the senior trip.

One room was reserved for every 4 students.

To find:

The total number of reserved rooms.

Solution:

60% went on the senior trip from total 600 students. So, number of students who went on tripe is

600\times \dfrac{60}{100}=360

Now, one room was reserved for every 4 students. So,

\text{Required number of rooms}=\dfrac{\text{Number of students who went on tripe}}{\text{Number of students in room}}

\text{Required number of rooms}=\dfrac{360}{4}

\text{Required number of rooms}=90

Therefore, the required number of reserved rooms were 90.

4 0
3 years ago
2r^2+3s^3-r^2+4t^2-r^2 if r=-2, s=-3, and t=5
dimulka [17.4K]
2(-2)^2+3(-3)^3-(-2)^2+4(5)^2-(-2)^2 = 19

19 is the answer.
3 0
3 years ago
Francis is playing an online game. He has 25 points and earns 5 points for each puzzle he solves correctly. He will advance to t
Maksim231197 [3]

Answer:

B. 5x + 25 > 75

Step-by-step explanation:

Points available = 25

Additional points earned per puzzle =5

He will advance to the next round if his score is over 75 points.

This means, he will move unto the next stage of his points exceeds 75 or greater than 75

The inequality is:

25 + 5x > 75

It can also be written as

5x + 25 > 75

The correct answer is B. 5x + 25 > 75

5x + 25 > 75

5x > 75 - 25

5x > 50

x > 50 / 5

x > 10

A. 5x + 25 < 75

B. 5x + 25 > 75

C. 25x + 5 > 75

D. 5x + 75 < 25

8 0
3 years ago
Help me w/ this okay :D
Svetlanka [38]

Answer:

1.5 i think is how long.

Step-by-step explanation:

ok so 5+3 is 8

so 8 divided in to 12

and u get 1.5

8 0
3 years ago
At is the slope of the line passing through the points (−3, 4) and (4, −1)?
aivan3 [116]

Answer:

4/3

Step-by-step explanation:

with slope remember rise over run, the vertical difference is 4 and the horizontal difference is 3. The line slopes down to the left so it is positive.

4 0
2 years ago
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