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3 years ago

PLEASE HELP I ONLY HAVE 11 MINS LEFT!!!

Mathematics

1 answer:

gulaghasi [49]3 years ago

4 0

Answer:

3, 4, 5, 6

Step-by-step explanation:

2(.7) in not greater than 1.9

3(.7) is greater than 1.9, so everything above 3 is also

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kay Kay walks upstairs to make her legs stronger. Every day at work, she walks up 9 flights of stairs. If there are 13 steps in

Elis [28]

Answer:

585

Step-by-step explanation:

9 flights = 13 steps

9x13=117 (117 is steps per day)

5x117= 585

7 0

3 years ago

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What happens when you add and subtract like fractions

Cerrena [4.2K]

Answer:hey must have the same denominator (the bottom value). If the denominators are already the same then it is just a matter of either adding or subtracting the numerators (the top value). If the denominators are different then a common denominator needs to be found.

Step-by-step explanation:

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3 years ago

Can i have help please

IgorLugansk [536]

(y + 1)^3 would just be dividing the two

If you want it completely simplified, then it’s the following:

(y + 1)(y + 1)(y + 1)

= y^2 + y + y + 1 (y + 1)

= y^2 + 2y + 1 (y + 1)

= y^3 + y^2 + 2y^2 + 2y + y + 1

= y^3 + 3y^2 + 3y + 1

7 0

3 years ago

Find the slope of the line that goes through the given points (-2,5), (6,5)

kicyunya [14]

Answer:

Step-by-step explanation:

slope = y2 - y1 / x2 - x1

(-2,5) (6,5)

5-5/-2-6

0 / -8

slope is 0

4 0

3 years ago

Colin surveyed 12 teachers at school to determine how much each person budgets for lunch. He records his results in the table. W

zmey [24]

Answer:

As mean and median are equal, so the data will be in normal distribution in shape of a symmetrical "bell curve".

Step-by-step explanation:

The given data: 10 5 8 10 12 6 8 10 15 6 12 18

Mean is the simple average of all data. As, there are total 12 data, so the Mean will be: $\frac{10+5+8+10+12+6+8+10+15+6+12+18}{12}= \frac{120}{12}=10$

For finding the Median, first we need to rearrange the data according to the numerical order and then identify the middle value. So........

5 6 6 8 8 10 10 10 12 12 15 18

Here the middle values are 10 and 10. So, the median will be the average of those two middle values.

Thus, Median $=\frac{10+10}{2}=\frac{20}{2}=10$

We can see that, the relationship between the mean and the median is "they are equal". So, the data will be in normal distribution and the shape will be symmetrical "bell curve".

8 0

3 years ago

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