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spin [16.1K]
3 years ago
12

Solve the equation 28 = 7 3x for x: a. 1 b. 3 c. 5 d. 7

Mathematics
1 answer:
yaroslaw [1]3 years ago
8 0
I think you meant 28=7+3x. Subtract 7 from both sides to get 21=3x, then divide by three to get D. 7

:)
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If a circle has a diameter of 16 feet, which expression gives its area square feet?
kramer

Answer:

C. 8² ·π

Step by Step Explanation:

A=πr²

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2 years ago
When a die is rolled 20 times, 4 came up 5 times.
GenaCL600 [577]
The answer would be 1/6 assuming a fair trial

5 0
3 years ago
Find the equation of the line with slope 3/7 and that passes through the point (14, 0). Write your answer in the form y = mx + b
Allushta [10]

Answer:

y = 3/7x - 6

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

Slope <em>m</em> = 3/7

Point (14, 0)

<u>Step 2: Find y-intercept </u><em><u>b</u></em>

  1. Substitute:                    0 = 3/7(14) + b
  2. Multiply:                        0 = 6 + b
  3. Isolate <em>b</em>:                       -6 = b
  4. Rewrite:                         b = -6

<u>Step 3: Write linear equation</u>

y = 3/7x - 6

7 0
2 years ago
Put your answer in standard notation to 4 decimal places.)
ArbitrLikvidat [17]
3.8275×10−1 :))) there ya go
8 0
2 years ago
Please help with numbers 1 and 2 !!!
lesantik [10]
Well, this is a stem and leaf problem. 

The numbers are 20, 28, 29, 29, 31, 32, 36, 41, and 42. 

In order to solve for the mean, we find the average and we add the numbers together and divide by 9(there are 9 numbers). 

The mean is 32.
The median is the middle number, or 31. 
7 0
2 years ago
Read 2 more answers
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