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2 years ago

11

Solve the equation 5n-3(4n+1)

1 answer:

malfutka [58]2 years ago

8 0

Answer: -7n +3

Step-by-step explanation:

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Given the Arithmetic sequence A1,A2,A3,A4 28, 33, 38, 43 What is the value of A11?

harkovskaia [24]

28,33,38,43

the common difference can be found by subtracting the first term from the second term.....33 - 28 = 5....so the common difference (d) = 5

an = a1 + (n - 1) * d
n = the term u want to find = 11
a1 = first term = 28
d = common difference = 5
now we sub
a11 = 28 + (11 - 1) * 5
a11 = 28 + 10 * 5
a11 = 28 + 50
a11 = 78

7 0

3 years ago

Read 2 more answers

Are any solutions possible for this problem..

dimulka [17.4K]

The equation: $-2(x+3)=-2x-6$ , is simplified with distribution of parentheses: $-2x-6=-2x-6$ .

Now add $2x$ to both sides and get: $-6=-6$ .

The numbers are equal therefore the solution to the equation $x$ can be any number $x\in\mathbb{R}$ .

8 0

4 years ago

A manufacturing plant earned $80 per man hour of labor when it opened. Each year, the plant earns an additional 5% per man hour.

Mekhanik [1.2K]

Answer:

The amount that plant earns per man hour after (t) years it open is $80 $(1.05)^{\textrm t}$ .

Step-by-step explanation:

Given as :

The earning of manufacturing plant when it opened = $ 80 per man hour

The rate of plant earning per man hour = 5 %

Let The earning of plant after t years = A( t )

So,

The earning of plant after t years = initial earning × $(1+ \dfrac{\textrm rate}{100})^{\textrm Time}$

Or, A(t) = $ 80 × $(1+ \dfrac{\textrm 5}{100})^{\textrm t}$

or, A(t) = $ 80 × $(1.05)^{\textrm t}$

Hence The amount that plant earns per man hour after (t) years it open is $80 $(1.05)^{\textrm t}$ . Answer

3 0

3 years ago

Read 2 more answers

Find the exterior angle of a regular decagon

mamaluj [8]

Answer:

Exterior Angle = 36 degrees

Step-by-step explanation:

<u><em>Each interior angle of a regular decagon measures 144 degrees.</em></u>

=> <u><em>We'll subtract 144 from 180 to get the measure of the exterior angle.</em></u>

=> Exterior Angle = 180-144

=> Exterior Angle = 36 degrees

6 0

4 years ago

Please help me do this

alekssr [168]

Answer:

0.39789 ft

Step-by-step explanation:

2πR = 2.5

R=2.5/2π

Hope this helps!

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6 0

3 years ago