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Vesnalui [34]
2 years ago
11

in a certain year the average e-mail user sent or received 148 e-mails each day. The number of e-mails received was 4 more than

twice the number sent. How many were sent and how many were received each day?
Mathematics
1 answer:
Lorico [155]2 years ago
8 0

Answer:

1136 received each day

Step-by-step explanation:

148(2)+4=   1136

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Please help with this math question
max2010maxim [7]
Mmmm Hope this help you

8 0
2 years ago
3. Consider the sequence,-8, -5, -2, 1, ...
Naddik [55]

Answer:

a) a_n=3\,n-11

b) a_{20}=49

c) term number 17 is the one that gives a value of 40

Step-by-step explanation:

a)

The sequence seems to be arithmetic, and with common difference d = 3.

Notice that when you add 3 units to the first term (-80, you get :

-8 + 3 = -5

and then -5 + 3 = -2 which is the third term.

Then, we can use the general form for the nth term of an arithmetic sequence to find its simplified form:

a_n=a_1+(n-1)\,d

That in our case would give:

a_n=-8+(n-1)\,(3)\\a_n=-8+3\,n-3\\a_n=3n-11

b)

Therefore, the term number 20 can be calculated from it:

a_{20}=3\,(20)-11=60-11=49

c) in order to find which term renders 20, we use the general form we found in step a):

a_n=3\,n-11\\40=3\,n-11\\40+11=3\,n\\51=3\,n\\n=\frac{51}{3} =17

so term number 17 is the one that renders a value of 40

5 0
3 years ago
Am i correct? What is the answer to the next one?
podryga [215]

Answer:

With base of 3: 3^{4}

With base of 9: 9^{2}

Step-by-step explanation:

Use 3 and 9 as the base of the power.

3^{4} =81\\9^{2} =81

8 0
3 years ago
Thomas wants to put a fence around a rectangular garden that is 12 feet long and 7 feet wide.
Goshia [24]

Answer:

84 feet

Step-by-step explanation:

 he will need 84 ft to cover the entire garden

6 0
3 years ago
Read 2 more answers
he actual weights of 10 sample “1 lb packages” of meat are found to be: sample 1 2 3 4 5 6 7 8 9 10 weight 1.01 1.03 0.98 0.99 1
Viefleur [7K]
To do this problem, add up all the numbers and divide by the amount of numbers:

1.01+1.03+.98+.99+1.01+1.02+.98+1.05+.97+.98
10.02

Now divide by 10 (the amount of samples)

10.02/10
1.002

The Mean of the Data Set is 1.002

Hope this helps!
8 0
3 years ago
Read 2 more answers
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