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Luden [163]
3 years ago
6

A number n plus 7 is less than or equal to 9

Mathematics
1 answer:
devlian [24]3 years ago
7 0
N ≤ 2, if n plus 7 is less than or equal to 9 (n+7 ≤ 9) then carry the 7 over to create n ≤ 9-7 giving the answer n ≤ 2 (n less than or equal to 2)
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A company has two large computers. The slower computer can send all the company's email in 60 minutes. The faster computer can c
Lelu [443]

Answer:

If both computers are working together, it will take 24 minutes to do the job

Step-by-step explanation:

It is given that,

There are two computers.The slower computer can send all the company's email in 60 minutes.

The faster computer can complete the same job in 40 minutes

<u>To find the LCM of 40 and 60</u>

LCM (40, 60) = 120

<u>To find efficiency of 2 computers</u>

Let x be the efficiency of faster computer and y be the efficiency of faster computer

x = 120/40 = 3

y = 120/60 = 2

then, x + y = 3 + 2 = 5

Therefore efficiency of both the computer work together = x + y =5

<u>To find the time taken to work both the computer together</u>

time = 120/5 = 24 minutes

4 0
3 years ago
What is the value of AB?
solniwko [45]

Answer:

I think its 31

Step-by-step explanation:

AC= 43 in the problem it says that point b is 12 stories above point C Which means that if you subtract 43-12 that may be the answer so AB= 31 but thats only my guess you could try the answer but I'm sorry if its wrong ;-;

6 0
4 years ago
Define key features ​
likoan [24]

Answer:

Wait no I apologize. This is the right one.

Key features include: intercepts; intervals where the function is increasing, decreasing, positive, or negative; relative maximums and minimums; symmetries; end behavior; and periodicity.

4 0
3 years ago
PLS HELP ME, I HAVE TEST TODAY
jek_recluse [69]

Answer:

1.8758

Step-by-step explanation:

0.328 + 0.072 + 0.1112 = 0.5112

2.387 - 0.5112 = 1.8758

#CarryOnLearning

hoped it helped and hope you pass that text!!..<3

5 0
3 years ago
A coin contains 9 99 grams of nickel and 1 6 1616 grams of copper, for a total weight of 2 5 2525 grams. What percentage of the
klasskru [66]

Weight of copper in coin, divided by total weight of coin..

Multiplied by hundred in the numerator..

5 0
4 years ago
Read 2 more answers
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