3 years ago

Find the third number if their average is 6 and two of them are 6 and 7

Mathematics

2 answers:

lorasvet [3.4K]3 years ago

8 0

Answer:

Step-by-step explanation:

If their average is 6 and there are three numbers in total, the total sum of the three numbers would be:

6×3 = 18

You know that two of them is 6 and 7, so you can find the last number easily.

18-6-7 = 5

8_murik_8 [283]3 years ago

4 0

Answer:

Step-by-step explanation:

6 +7+5 = 18 and 18/3 = 6

You might be interested in

What is b in 5b+4=24?

Fittoniya [83]

Answer:

b = 4

Step-by-step explanation:

5b + 4 = 24

5b = 20

b = 4

7 0

3 years ago

Read 2 more answers

Express cos^2 x in terms of cos2x. Hence, express f(x) = 6cos^2 x - 4sin 2x in the form R cos (2x + Y degrees) + p where R, y an

Lady bird [3.3K]

2cos^2 x = 1 + cos 2x
cos^2 x = 1/2(1 + cos 2x)
f(x) = 6cos^2 x - 4 sin 2x = 6(1/2(1 + cos 2x) - 4 sin 2x = 3 + 3cos 2x - 4sin 2x

8 0

3 years ago

Y= -8x + 10/9 what is the y intercept

4vir4ik [10]

Answer:

10/9

Step-by-step explanation:

This equation is in slope-intercept form, this is referring to the y-intercept. Slope-intercept is y=mx+b, where m is the slope and b is the y-intercept. Therefore, 10/9 is the intercept while -8 is the slope.

4 0

3 years ago

HURRY QUICK!! Apply the distributive property to create an equivalent expression. 1/2 ( 6e - 3f - 3/4 )

tensa zangetsu [6.8K]

Answer:

1 2/6 3 3/4

Step-by-step explanation:

7 0

3 years ago

Evaluate

Annette [7]

Answer:

=0.000342

Standard form is 3.4237×10 ${}^{-4}$

Step-by-step explanation:

------------------

8 0

2 years ago

Find the third number if their average is 6 and two of them are 6 and 7​

Find the third number if their average is 6 and two of them are 6 and 7