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Anna35 [415]
3 years ago
6

In timed typing test,Lara typed 63 words per minute.Estimate the number of words she should be able to type in a half hour.Show

your work.
Mathematics
2 answers:
RoseWind [281]3 years ago
6 0
63 times 30 because in one hour their is 69 minutes and half of 60 is 30
lutik1710 [3]3 years ago
3 0

Answer: 1980

Step-by-step explanation:

Multiply 63 by 30 because half an hour is 30 min.

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A roof rises 24 feet vertically and 14 feet horizontally. What is the slope of the​ roof?
mixas84 [53]

Answer:

1.714 feet

Step-by-step explanation:

slope is rise over run.

rise would be the vertical measurement and run would be the horizontal measurement.


24/14 = 12/7


12/7 = 1.714

4 0
2 years ago
A cookie factory uses 1/3 of a bag of flour in each batch of cookies. The factory used 2/3 of a bag of flour yesterday. How many
Mumz [18]

Answer:

They made 2 batches

Step-by-step explanation:

If the factory used ⅔, and 1 batch is ⅓, the factory made 1 batch for each 3rd they used. ⅔, 2 batches

7 0
3 years ago
A data set is made up of these values.
marissa [1.9K]
I think that the answe my be b
6 0
3 years ago
Read 2 more answers
Find the sum. <br> Homework: 9.4 arithmetic series
RUDIKE [14]

Answer:

Step-by-step explanation:

a1 = 3(1) - 7 = - 4

a2 = 3(2) - 7 = -1

d = a2 - a1

d = -1 - (-4)

d = -1 + 4

d = 3

a60 = 3(60) - 7

a60 = 180 - 7

a60 = 173

n = 60

Sum = (a1 + a60) * n / 2

Sum = (-4 + 173) * 60/2

Sum = (169)*30

Sum = 5070

==================

Just to check, we'll use the second summation formula

d = 3

n = 60

a1 = -4

Sum = (2*a1 + (n - 1)*d )*n / 2

Sum = (2*(-4) + (60 -1)*3)* 60/2

Sum = (-8 + 59*3) * 30

Sum = (177 - 8)*30

Sum = 169 * 30

Sum = 5070

Same answer.

5 0
3 years ago
A system of linear inequalities is shown below:
Yuki888 [10]
The 4th selection is appropriate:
  The first line is a dashed line which joins ordered pairs (-2, 1) and (3, 1). The second line is a dashed line and joins ordered pairs (-2, -2) and (3, 3). The portion common above the first line and above the second line is shaded

6 0
3 years ago
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