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murzikaleks [220]

3 years ago

13

The sum of n A.M.'s between two numbers is 20. If the last mean is double of the first and one number is three times the other,

then find the number

1 answer:

tester [92]3 years ago

4 0

Answer:

120

Step-by-step explanation: because you add 20 twice and thts 40 and 40 times 3 is 120

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How to write the number 63 in four different ways

shtirl [24]

63/1
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7 0

3 years ago

What is the diameter, circumference, and area of a circle that has the radius of 7?

user100 [1]

Answer:

the diameter is: 14

the circumference is: C≈43.98

the area is: A≈153.94

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Evaluate: (8/27)^-2/3 <br><br> add: sqroot(27) + sqroot (75)

vredina [299]

The answer to the first question
is 2 1/4.
The answer to the second question is 8 sqroot 3. Hope I was able to help

3 0

3 years ago

Fill in the missing number to complete the factorization:

IrinaVladis [17]

The last terms must multiply to the last terms (confusing)

example

if ax^3+bx^2+c+d=(ex+f)(gx+h)(jx+k) then
d=fhk

so

70 is last term
we got 2 and 5
2*5*?=70
10*?=70
divide by 10
?=7

the missing number is 7

6 0

3 years ago

You were gonna skip this wernt you.<br> i guess you dont love me ;(

irina1246 [14]

Actually when i saw it i stopped

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4 0

2 years ago