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
Georgia [21]
3 years ago
10

Help me with this please.. but when you do please explain what proportional relationships please!

Mathematics
1 answer:
Elina [12.6K]3 years ago
4 0

Answer:

x column- 1.25, 7.5, 45.

y column- 5, 30, 180.

Step-by-step explanation:

Okay, to start off, we need to find how 1.25 got to 5. If we divide it, we get 4. So we go to 7.5 and multiply it by 4, since that seems to be the relationship between x and y. 7.5x4=30, which is an answer. So the second spot in the y column is where 30 goes. Now we figure out the relationship between the two numbers in the x column so we can figure out the missing one. When you divide 7.5 by 1.25, you get 6. So, if 1.25x6 makes the next number in the x column, 7.5x6 should make the missing number. 7.5x6 is 45, so the missing number in the x column is 45. Now we go back and multiply 45 by 4, which gets us 180.

You might be interested in
(Someone Help Me Please)
ololo11 [35]

Answer:

1

Step-by-step explanation:

hope this helps you out

6 0
3 years ago
What is the area of the isosceles triangle shown?
ra1l [238]

Answer:

672 meters squared

Step-by-step explanation:

Area of Triangle: b*h*1/2

The isosceles triangle's height, splits the base in half.

4 0
3 years ago
Read 2 more answers
Need help ASAP) math pls
sashaice [31]

Answer:

11 panels is 13,750

Step-by-step explanation:

3,750- 2,500= 1,250

1,250 x 11 = $13,750

4 0
3 years ago
Use substitution to solve the<br> following system of equations.<br> 2x + 4y = 12 AND x=y - 3
Kamila [148]

Answer:

The solution is (0, 3)

Step-by-step explanation:

First, reduce 2x + 4y = 12 to x + 2y = 6, for easier calculations.

Next, substitute y - 3 for x in the other equation:

y - 3 + 2y = 6, or

3y = 9

Then y = 3.  Since x = y - 3 in general, x = 3 - 3 = 0 when y = 3.

The solution is (0, 3)

8 0
3 years ago
A company is interested in estimating the mean number of days of sick leave taken by its employees. The firm's statistician rand
gtnhenbr [62]

Answer:

E) 166

Step-by-step explanation:

Standard deviation is 10

Margin error for the problem is 2

Probability 99%, that means thet the siginficance level α is 1 – p

α = 1 – 0.99 = 0.01

margin of error (ME) can be defined as follows

ME = Z(α/2) * standard deviation/ √n

Where n is the sample size

Z(0.01/2) = Z(0.005)

Using a z table Z = 2.576

Now, replacing in the equation and find n

2 = 2.576 * 10/ √n

2 = 25.76 /√n

√n = 25.76 /2

√n = 12.88

n = 12.88^2

n = 165.89 ≈166

7 0
3 years ago
Other questions:
  • This is a simplifying question.Y+Y+Y+Y
    9·2 answers
  • Point M and N are midpoints of AB and DA respectively.
    5·1 answer
  • Find two numbers whose difference is 13 and whose squares when added is 449.
    15·1 answer
  • Solve the equation x^2-4x-12=0 two ways. By factoring and by Quadratic formula
    11·1 answer
  • A study was conducted on students from a particular high school over the last 8 years. The following information was found regar
    8·1 answer
  • 1/4 inch cubes were used to fill a prism. The dimensions of the prism are 1.5 inches x 1 inch x 3.75 inches. How many 1/4 inch c
    12·1 answer
  • Ray’s weight increased by 11% in the last two years. If he gained 16.5 pounds, what was his weight two years ago?
    11·1 answer
  • Find x and y so the quadrilateral is a parallelogram.
    7·1 answer
  • In a recent study of a random sample of 113 people, 92 reported dreaming in color. In the 1940’s, the proportion of people who r
    7·1 answer
  • 21. Deonte had $20 in his checking account. He withdrew $14 to pay for his
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!