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3 years ago

Write an expression that is equivalent to 3 (2x + 6y)

Mathematics

2 answers:

irina1246 [14]3 years ago

5 0

Answer:

6x + 18y or 6 (x + 3y)

Step-by-step explanation:

Distribute the 3 or divide the parentheses by 2

pentagon [3]3 years ago

3 0

Answer:

6x+18y

Step-by-step explanation:

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What is the median of this set of data? 1, 2, 5, 6,9

Aleksandr-060686 [28]

Answer:

Step-by-step explanation:

median = (n+1)/2 th item

n = 5

median = 3rd item = 5

3 0

3 years ago

The sum of two numbers is 65 one is 4 times as large as the others.what are the numbers?

bixtya [17]

let the numbers be n and m

n+m=65

n=4m

So when we put our work in:

4m+m=65

5m=65

m=13

n=52

So therefore your two numbers are 52 and 13!

Hope this helped! °ω°

6 0

3 years ago

1+1 Need help to hard

Basile [38]

I believe the correct answer is 2.

5 0

3 years ago

Read 2 more answers

If $1000 is invested at 8% interest, compounded annually, then after n years the investment is worthan = 1000(1.08)ndollars.(a)

Luba_88 [7]

Answer:

Diverge

Step-by-step explanation:

(a)

1st year: $1000 * 1.08^1 = \$1080$

2nd year: $1000 * 1.08^2 = \$1166.4$

3rd year: $1000 * 1.08^3 = \$1259.71$

4th year: $1000 * 1.08^4 = \$1360.49$

5th year: $1000 * 1.08^5 = \$1469.33$

(b) The sequence is divergent, because if we take the derivative of the function with respect to n year:

$(1000*1.08^n)^{'} = 1000ln(n)*1.08^n$

This is a positive, meaning the slope of the function is positive. If we take the second derivative using product rule

$(1000ln(n)*1.08^n)^{'} = 1000\frac{ln(n)}{n}1.08^n$

This is also positive when n > 0. Therefore, the slope is positive and increasing. This means the sequence diverges.

5 0

3 years ago

Are these triangles similar? (worth 25 points)

zloy xaker [14]

Find angleK:

Angle k = 180-45-85 = 50

Both triangles have an angle equal to 85 and 45, which makes the 3rd angle in both triangles equal to 50

Because all three angles are the same the triangles are similar.

5 0

3 years ago