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Mathematics

1 answer:

Goshia [24]3 years ago

5 0

Answer:

Stephanie brought the 20 chocolate for $50

Step-by-step explanation:

If she have $60 and only have $10 left that would me that the chocolate are $50

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What number must be added to 15,-6,& 12 to have a mean of 5? EXPLAIN!!

FrozenT [24]

To get the mean, you add all of the numbers, and then divide the answer by the number of numbers.

15+(-6)= 9
9+12= 21
(21+x= q )⬅️ignore this for now, that's where the unknown number would have been

The mean = 5, and the number of numbers is 4, so basically, you find 5•4=20

So take the 21 from before, and if you add -1, you get 20!

So, x= ➖1⃣!!!!!!! (That's a -1)

4 0

4 years ago

Read 2 more answers

Graph the line with slope 3/2 and y-intercept 3.

Tcecarenko [31]

Answer:

The steepness of any incline can be measured as the ratio of the vertical change to the horizontal change. For example, a 5 % incline can be written as 5100 , which means that for every 100 feet forward, the height increases 5 feet.Figure 4.4.1 In mathematics incline of a line the slope and use the letter m to denote it. The vertical change is called the rise and the horizontal change is called the run.Slopem=vertical changehorizontal change=riserun(4.4.1)The rise and the run can be positive or negative. A positive rise corresponds to a vertical change up and a negative rise corresponds to a vertical change down. A positive run denotes a horizontal change to the right and a negative run corresponds to a horizontal change to the left. Given the graph, we can calculate the slope by determining the vertical and horizontal changes between any two points.Example 4.4.1 Figure 4.4.2 From the given points on the graph, count 3 units down and 4 units right.m=riserun=−3units4units=−34 the Answer is.m=−34 .

Step-by-step explanation: