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lyudmila [28]
3 years ago
15

4 more than a number is 12

Mathematics
2 answers:
lianna [129]3 years ago
8 0

Answer:

555

Step-by-step explanation:

ira [324]3 years ago
6 0

Answer:

4 + x = 12

x = 8

Step-by-step explanation:

4 more than a number is 12

  • I will represent the mystery number as "x"

4 + x = 12

x = 8

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90 I am guessing. if it's like a square or rectangle

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A month of the year is chosen at random. What is the probability that the month starts with the letter J or the letter M?
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5/12

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According to the National Postsecondary Student Aid Study conducted by the U.S. Department of Education in 2008, 62% of graduate
Romashka-Z-Leto [24]

Answer:

C. 30

Step-by-step explanation:

-It is a statistical rule of thumb  that the size of a sample must be n\geq 30.

-This size is deemed adequate for the Central Limit Theorem to hold.

-At this size or greater, the shape of the resultant distribution is normal.

#It should however be noted, that for a normal distribution the CLT holds even for smaller sample sizes.

5 0
3 years ago
Danielle plans to graph the linear equation 5x-2y=10 by plotting the x-intercept and y-intercept.
lesya692 [45]

x-intercept is (2,0)

y-intercept is (0,-5)

Step-by-step explanation:

Danielle plans to graph the linear equation 5x-2y=10 by plotting the x-intercept and y-intercept.

Finding x-intercept

X-intercept: Substitute 0 for y and then solve for x. Write your answer in the form (__, 0)

Putting y=0

5x-2y=10\\5x-2(0)=10\\5x=10\\x=10/5\\x=2

So, x-intercept is (2,0)

Finding y-intercept

Y-intercept: Substitute 0 for x and then solve for y. Write your answer in the form (0, __)

Putting x=0

5x-2y=10\\5(0)-2y=10\\-2y=10\\y=10/-2\\y=-5

So, y-intercept is (0,-5)

Keywords: Solving Equations

Learn more about solving equations at:

  • brainly.com/question/1563227
  • brainly.com/question/2403985
  • brainly.com/question/11229113

#learnwithBrainly

4 0
3 years ago
Juan wants to change the shape of his vegetable garden from a square to a rectangle, but keep the same area so he can grow the s
irina [24]

The value of x that makes sense in this context is; 32.

The dimensions of the new garden is; 64 by 16.

<h3>How to find the real dimensions of the rectangle?</h3>

The expression that represents the problem statement is;

x² = (2x)(x – 16)

Expanding the bracket gives us;

x² = 2x² – 32x

x² - 32x = 0

x(x - 32) = 0

Thus; x = 0 or x = 32

x can't be 0 and as such the value of x is 32.

Thus;

The length of the new garden is; l = 2x = 64.

The width of the new garden is; w = x - 16 = 32 - 16 = 16

The dimensions of the new garden are therefore; 64 by 16

Read more about Rectangle Dimensions at; brainly.com/question/17297081

#SPJ1

4 0
2 years ago
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