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frez [133]
2 years ago
7

Mark can type 20 words per minute. Carol can type 22 words per minute. Mark starts typing at 1:00 pm and Carol starts typing 6 m

inutes later. At 1:15 pm, both Mark and Carol stop typing. Together, how many words did Mark and Carol type between 1:00 and 1:15 pm?
Mathematics
1 answer:
Anna11 [10]2 years ago
8 0

Answer:

C. 498

Step-by-step explanation:

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How do I prove this?
Vadim26 [7]
Incorrect info please upload a correct photo of the problem
6 0
2 years ago
Using the bar graph, approximately what percent of the total population shown in the table is Cherokee?
seropon [69]

Answer:

about 35%

Step-by-step explanation

added together they = about 890,000. cherokee = about 310,000. 310,000 divided by 890,000 is 0.348.... 890,000 times 35% is like 310,something.

5 0
3 years ago
Mark gathered data about the number of pink and red flowers that bloomed on several of his flowering shrubs. The scatter plot sh
fgiga [73]

The scatter plot showing data gathered and line of best fit is attached below :

Answer:

69

Step-by-step explanation:

Given the regression model :

y = 1.73x + 0.0924

Where,

y = number of pink flowers

x = Red flowers

Slope = 1.73

Intercept = 0.0924

The number of pink flower that are predicted to bloom on a shrub of 40 red flowers :

Put x = 40 and calculate the value of y

y = 1.73(40) + 0.0924

y = 69.2 + 0.0924

y = 69.2924

Number of pink flowers = 69

8 0
3 years ago
Jacob Is Twice as old as Sue. The sum of their ages is 69 years. How old is Jacob?
NemiM [27]
x-Sue\\2x-Jacob\\\\x+2x=69\\\\3x=69\ \ /:3\\\\x=69:3\\\\x=23-Sue\\\\2x=2\cdot23=46-Jacob\\\\Answer:Jacob\ is\ 46.
7 0
3 years ago
Suppose the sum of two integers is negative. Must both integers be negative? Explain.
mash [69]

Answer:

Not necessarily. There are many ways to write a basic equation with a negative answer. For example, -3-4 = -7. Here 4 is a positive number but because you subtract 4 to 3 or take away 4 from 3 being a negative number and so you get a negative answer. Another example is 6+(-9). There are a couple of ways you can resolve this. My method is to subtract 9 from 6 which gives you 3 and simply add a negative sign.

Let me know if you'd  like more examples. Hope this helps!! Sorry if it is confusing I can explain you in a more simpler way if you'd like.

Step-by-step explanation:

8 0
2 years ago
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