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2 years ago

5) Explain the steps and show your work on how you would simplify the expression 8(1/4x-3)+5(2y+4)+10

Mathematics

2 answers:

Dima020 [189]2 years ago

7 0

1. Distribute the 8 and 5 to numbers in parentheses

2. Combine like terms

sergey [27]2 years ago

3 0

Answer:

10y ( x-12 / 4 ) +30

Step-by-step explanation:

If you click on the photo i explained it step by step

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write an exponential formula of the form f (t)= a×b^t to represent the following situation. assume t is in years. The beginning

nika2105 [10]

Answer:

$f(t)= 27000 * 0.965^t$

Step-by-step explanation:

Given

$a = 27000$ -- initial

$r = 3.5\%$

Required

The exponential equation

The exponential equation is

$y =ab^t$

Where

$b=1 -r$

We used minus, because the rate decreases..

So, we have:

$b=1 -3.5\%$

$b=1 -0.035$

$b=0.965$

So:

$y =ab^t$

$y = 27000 * 0.965^t$

Hence:

$f(t)= 27000 * 0.965^t$

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3 years ago

Last week a TV soap opera had 7500 viewers. This week it had 25 % fewer viewers. How many viewers did it have this week?

lidiya [134]

The TV soap opera had 5,625 viewers. :)

4 0

3 years ago

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Complete the ratio<br> 4 : 32 = 1 : ?

zavuch27 [327]

Answer:

1: 8

Step-by-step explanation:

4 : 32

Divide both the left and right side by 4

4/4 =1

32/4 = 8

4:32 becomes 1:8

6 0

3 years ago

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A computer system requires that passwords contain at least one digit. if eight characters are generated at random, and each is e

KIM [24]

Figure this out as though no digits are present. You can choose 8 of the 26 letters and that's it.
26^8 [you can allow repeating letters] = 2.088 * 10^11
The total number of ways that can be chosen with letters and digits intermixed = 36^8

The probability of getting no numbers is 26^8 / 36^8 or (26/36)^8 = 0.07402
So the probability that there were be at least one digit is
1 - 0.07402 = 0.92598

6 0

3 years ago

On Monday, Takira counted 75 splatters of bird droppings on her car. On Tuesday afternoon, she counted 21 more. What is the perc

Law Incorporation [45]

Answer:

28%

Step-by-step explanation:

percent change in the number of bird droppings = increase in splatters / splatters counted on Monday x 100

$\frac{21}{75}$ x 100 = 28%

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2 years ago

5) Explain the steps and show your work on how you would simplify the expression 8(1/4x-3)+5(2y+4)+10​

5) Explain the steps and show your work on how you would simplify the expression 8(1/4x-3)+5(2y+4)+10