1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
erastovalidia [21]
3 years ago
12

2:3 14:21are these ratios equivalent

Mathematics
1 answer:
Crazy boy [7]3 years ago
7 0
Yes. They are equivalent
You might be interested in
in justin's school,0.825 of students participate in a sport. if there are one thousand students in justin's school, how many pat
goblinko [34]
175 because 1,000-825=175
7 0
3 years ago
Tom and his best friend are going to join a gym. Tom saw that Platinum gym has a sale with a one time fee of $90 and a monthly f
worty [1.4K]

Answer:

<u>Part 1:</u>

For Platinum Gym:

90 + 30x

For Super Fit Gym:

200 + 20x

<u>Part 2:</u>  $270

<u>Part 3:</u>  $320

<u>Part 4:</u>  11 months

<u>Part 5:</u>  See explanation below

Step-by-step explanation:

<u>Part 1:</u>

Let "x" be the number of months:

For Platinum Gym:

90 + 30x

For Super Fit Gym:

200 + 20x

<u>Part 2:</u>

We put x = 6 in platinum gym's equation and get our answer.

90 + 30x

90 + 30(6)

90 + 180

=$270

<u>Part 3:</u>

We put x = 6 into super fit's equation and get our answer.

200 + 20x

200 + 20(6)

200 + 120

=$320

<u>Part 4:</u>

To find the number of months for both gyms to cost same, we need to equate both equations and solve for x:

90 + 30x = 200 + 20x

10x = 110

x = 11

So 11 months

<u>Part 5:</u>

We know for 11 months, they will cost same. Let's check for 10 months and 12 months.

In 10 months:

Platinum = 90 + 30(10) = 390

Super Fit = 200 + 20(10) = 400

In 12 months:

Platinum = 90 + 30(12) = 450

Super Fit = 200 + 20(12) = 440

Thus, we can see that Platinum Gym is a better deal if you want to get membership for months less than 11 and Super Fit is a better deal if you want to get membership for months greater than 11.

4 0
3 years ago
A professor grades students on four tests, a term paper, and a final examination. Each test counts as 15% of the course grade. T
alina1380 [7]

Answer:

The Alans's average for the course is 84.5

Step-by-step explanation:

We are given

There are 4 tests, A Term paper and a Final examination.

Score = 92, 78, 82, 90.

Term paper score = 80

Final examination score = 86

Weighted mean = ∑ w.f/∑w

     also the sum of all the weights is 100% = 1

weighted mean = 15%*92 + 15%*78+15%*82+15%*90+20%*80+20%*86/1

                         = 51.3 + 33.2

                         =  84.5

Therefore the Alans's average for the course is 84.5

5 0
2 years ago
Please ANSWER 15 POINTS
lapo4ka [179]

The answer is A. Battery

8 0
3 years ago
How many times does 3 fit into 87?
Mars2501 [29]

Answer:

29 times

Step-by-step explanation:

We can find this answer by dividing 87 by 3

87/3 = 29

We can prove this by multiplying 29 times 3 which gives us 87

4 0
2 years ago
Read 2 more answers
Other questions:
  • What is the range of this data 3.3, 4.5, 6.7, 1.5, 11.6, 4.5, 11.7, 8.5, 3.2, 6.7,7.9
    9·1 answer
  • Starting from the same place, Karina walks due west and Lucas walks due east. On the number line, 0 represents their starting po
    12·1 answer
  • What’s the lcm of 24 &amp;8 ?
    7·1 answer
  • Help pls I'm really busy and if I get ur help you will make my whole day :(
    12·2 answers
  • It is given that y is inversely proportional to the square of x and that y=48 when x=<img src="https://tex.z-dn.net/?f=%5Cfrac%7
    7·1 answer
  • What is (-m)⁻³n if m = 2 and n = -24?
    5·1 answer
  • Solution to the linear inequality below <br> X-4y&lt;-12
    11·1 answer
  • (a)what is the domain of the function
    15·1 answer
  • Please help i need answer and explanation.
    11·1 answer
  • 13,22,31,...<br> Find the 31st term.<br> Find the 31st term.
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!