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3 years ago

Help needed and explained too!!

Mathematics

1 answer:

AleksandrR [38]3 years ago

5 0

Answer:

There are 1680 different ways four letters can be arranged.

Since you are using the permutation formula, plug in the values and solve.

P(n,r) = P(8,4)

= 8! / (8−4)!

= 1680

Spelling out LION is only one of the 1680 possible outcomes. Therefore the fraction 1/1680 would represent this probability.

P(LION) = 1/1680

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You are saving money to buy a used car. You deposit $2,500 in an account that earns interest compounded annually. The expression

seraphim [82]

Answer:

$r= [(\frac{A}{2500}) ^\frac{1}{2} -1]$

Step-by-step explanation:

Given data

Principal = $2500

time t= 2 years

Required

the rate r

Given the expression for the balance 2500(1+r)^2

Hence

$A= 2500(1+r)^2$

we can make r subject of formula

$r= [(\frac{A}{P}) ^\frac{1}{t} -1]$

$r= [(\frac{A}{2500}) ^\frac{1}{2} -1]$

Hence, for any value of A, we can find the rate using the expression above

6 0

3 years ago

Heeeeeeelpppppp!!! brainliesttttt

amid [387]

2 1/2 I think!

I hope I got it right!

6 0

3 years ago

Read 2 more answers

What is the equation?

Nana76 [90]

Answer:

y=-2+4

Step-by-step explanation:

we know the y intercept is four, so we can plug that into y=mx+b

so far we know y=mx+4

and the equation for finding slope is $\frac{y_{2} -y_{1} }{x_{2} -x_{1} }$

so let's find two points on the graph

let's make it easy on ourselves and use the points laid out for us

(0,4) and (2,0)

$\frac{0-4}{2-0}$

solving that would come out to be $\frac{-4}{2}$

simplified, that would be -2

now that we know the slope, we can put them into slope-intercept form

y=-2+4

8 0

3 years ago

What are 2 different ways to find the distribute property of 127and 32

Tom [10]

32 divided by 127 and the second one, i dont know

5 0

3 years ago

500 is 10 times larger than what please explain

Yuliya22 [10]

50 as 10 multiplied by 50 equals 500

8 0

3 years ago