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bagirrra123 [75]
3 years ago
13

PLEASE HELP 50 POINTS I WILL GIVE BRAINLIEST

Mathematics
1 answer:
Bingel [31]3 years ago
6 0

Answer:

See image

Step-by-step explanation:

In both of these the words "more than" mean adding and not the symbol >

difference means subtracting

See image

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Rita owed her brother $15. After her birthday, she was able to pay him back and still have $45. How much money did Rita receive
kipiarov [429]

I’m stuck in the same one!!

Step-by-step explanation:

6 0
3 years ago
An activity has an optimistic time estimate of 25 days, a most likely estimate of 29 days, and a pessimistic estimate of 34 days
Margaret [11]

The expected duration of the activity is 29 days and 4 hours.

Step-by-step explanation:

Step 1:

The optimistic time, t_{o} = 25 days,

The most likely estimate, t_{m} = 29 days.

The pessimistic time, t_{p} = 34 days.

According to PERT, the expected duration of the activity, t_{e} = \frac{t_{0}+4t_{m} +t_{p}  }{6}.

Step 2:

By substituting the given values, we gett_{e} = \frac{t_{0}+4t_{m} +t_{p}  }{6} = t_{e} = \frac{25+4(29) +34  }{6} = \frac{175}{6} = 29.1666.

0.1666 days = 0.1666 (24) = 3.9999 hours.

29.1666 days approximately equal 29 days and 4 hours.

8 0
3 years ago
A wildlife reserve had 8 elephant calves born during the summer and now has 31 total elephants. How many elephants were in the r
Elza [17]
Because you now have 31 you - 8 from 31
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6 0
3 years ago
89.87 is 215% of what number
andre [41]
<span>215% of 89.87=193.2205</span>
4 0
3 years ago
A data set contains an independent and a dependent variable. Which must be true of the data set if a linear function can be used
ycow [4]

The set must have a constant additive rate of change.

Answer: Option A.

<u>Explanation:</u>

A function has an additive rate of change if there is a consistent distinction between any two successive information and yield esteems. From the primary table we can watch a consistent distinction of - 6 among the y-values and a steady contrast of 2 among the x-values.

A linear function has a consistent additive rate of change, while a nonlinear capacity doesn't. For a table of qualities to be direct, the needy variable must have a steady pace of progress as the autonomous variable increments by 1.

8 0
3 years ago
Read 2 more answers
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