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Katarina [22]
3 years ago
7

Find the three arithmetic means in this sequence 14 and 26

Mathematics
1 answer:
Sophie [7]3 years ago
7 0
We subtract them and divide by four to find the common difference d. The intermediate means implies that there are four increments, thus we shall have:
(26-14)=12
hence
12/4=3
thus
d=2 and the missing means are:
26, 23,20,17,14
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A train travels 220 miles in 4 hours. What is the train's speed in feet per minute?
Katena32 [7]
220 miles in 4 h = 55 mph multiply this by 5280 to get feet per hour then divide this by 60 to get ft/min


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8 x 10-11<br><br> I need help :(
mamaluj [8]

Answer:

8 x 10/11 equals 69. If you mean something else, let me know.

Step-by-step explanation:

If you need any help, ask Brainly. Have a nice day!

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(-3)(+4)=?<br> Can someone tell me the answer to this?
slava [35]

Answer:

-12, or 1 (see explanation)

Step-by-step explanation:

(-3)(+4)

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1

5 0
3 years ago
I need to know this answer
Free_Kalibri [48]

Answer:

r = 7

Step-by-step explanation:

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3 years ago
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Nancy found that x=1 is one solution to the quadratic equation (x 2)2=a. what is the value of a?
trasher [3.6K]

The value of the a in the quadratic equation is 4.

According to the statement

we have given that the x = 1 and the given equation is  (2x)^2=a

And we have to find the value of A here.

So, For this purpose, we know that the

A quadratic equation is an equation of the second degree, meaning it contains at least one term that is squared.

And the given quadratic equation is

(2x)^2 = a

we know that the x  = 1 and put the value of x in it then

(2(1))^2= a

(2)^2= a

a  = 4.

Now for rechecking of the value, put a = 4 in the given equation then

(2x)^2 = a

Put a  = 4

Then

(2x)^2 = 4

2x = 2

And the value of x become

x = 1.

Which equal to the given value of the x which is 1.

So, The value of the a in the quadratic equation is 4.

Learn more about Quadratic equation here

brainly.com/question/1214333

#SPJ4

7 0
2 years ago
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