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3 years ago

Plz help me and plz show work

Mathematics

2 answers:

s2008m [1.1K]3 years ago

6 0

Y=400x and the Y intercept would be 0

Lana71 [14]3 years ago

5 0

There is no y intercept since there are no points on y axis so?

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Choosing 8 marbles from a box of 40 marbles (20 purple, 12 red, and 8 green) one at a time with 18) replacement, keeping track o

elixir [45]

<h3>Answer: D) Not binomial: there are more than two outcomes for each trial. </h3>

Explanation:

Replacement is being done, so each trial is independent. However, the outcomes are values from this set {0,1,2,3,4,5,6,7,8} which represent the number of red marbles chosen. Since we do not have two outcomes, we do not have a binomial distribution. If instead you made the outcomes {red, not red}, then you would have two outcomes and it would be a binomial distribution.

8 0

3 years ago

Read 2 more answers

The coordinates of the vertices of △RST are R(−3,1), S(−1,4), and T(3,1) .

Ghella [55]

<span>△RST is a right triangle because RS¯¯ is perpendicular to RT¯¯ .</span>

3 0

3 years ago

Read 2 more answers

Describe at least two differences between constructing parallel lines and

Marrrta [24]

Parallel lines never intersect purpendicular lines intersect at a single point forming a 90 degree angle

6 0

2 years ago

Put y-x=-8 of a line into slope-intercept form, simplifying all fractions.

grigory [225]

Answer: $y= x-8$

Step-by-step explanation:

Slope intercept form has a general formula of $y=mx +b$
m represents the slope of the line
b represents the value of the lines y-intercept

the equation must be rearranged into the general formula by isolating for 'y'

$y-x=-8$

to remove the x from the left side of the equation the opposite operation must be done to both sides

$y-x+x=-8+x$

the negative and positive x cancel out on the left side, leaving us with the equation with y by itself
now you can rearrange to put the equation into $y=mx+b$

Final Answer: $y=x-8$

4 0

1 year ago

Lauren will make annual contributions in the amount of $4,770, on average, to a 401(k) over the next 34 years. Her employer will

fredd [130]

Answer:

$610,297.11

Step-by-step explanation:

The problem seems to make several assumptions:

contributions are made at the end of each year
contributions and employer matching funds are not taxed until retirement
the 15% tax rate applies to the account balance amount at retirement

Of these, the last is least likely to be true in the United States.

___

Based on the assumptions above, we compute the amount from the future value of the series of contributions, then subtract 15% from that result.

FV = P·((1 +r)^n -1)/r . . . . where P is the amount of each payment, r is the annual interest rate, n is the number of payments.

The amount deposited each year is ...

$4770 + 0.60·4770 = $7630

Then the future value after 34 deposits is ...

FV = 7630·(1.055^34 -1)/0.055 ≈ 717,996.60

When this amount is reduced by the assumed 15% tax rate, it becomes ...

$717,996.60 - 0.15·717,996.60 = $610,297.11

4 0

3 years ago