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Katen [24]
2 years ago
14

Which ratio best defines experimental probability?

Mathematics
2 answers:
Lostsunrise [7]2 years ago
8 0
B. Total number of times the activity is performed: Number of times an event occurs
FrozenT [24]2 years ago
7 0
B what the other person said
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As part of his retirement strategy, John plans to invest $210,000 in two different funds. He projects that the moderately high r
Maslowich

Answer:

Therefore he invested $60,000 at 9% per year and $(210,000-60,000)=$150,000 at 4% per year.

Step-by-step explanation:

Given John plans to invest $210,000 in two different funds. He projects that the moderately high risk investments should return, overtime 9% per year,while low risk investments should return about 4% per year.

He wants a supplemental income of$11,400 a year.

Let , he invested $x at 9% per year and $(210,000-x) at 4% per year.

interest=\frac{prt}{100}   p = principle , r = rate of interest and t = time

The interest earns at 9% per year= \frac{x\times 9\times 1}{100}

The interest earns at 4% per year=\frac{(210,00-x)\times 4 \times 1}{100}

According to the problem,

\frac{x\times 9\times 1}{100}+\frac{(210,00-x)\times 4 \times 1}{100}= 11400

\Leftrightarrow 9x+840000-4x=11400 \times 100

\Leftrightarrow 5x=1140000-840000

\Leftrightarrow x=\frac{300000}{5}

\Leftrightarrow x=60,000

Therefore he invested $60,000 at 9% per year and $(210,000-60,000)=$150,000 at 4% per year.

7 0
3 years ago
Lynn has grades of 93, 75, and 86 on three math tests. What grade must she make on the next test to have an average of exactly 8
deff fn [24]
(93+75+86+x)/4=81
93+75+86+x=324
The sum of the scores is 324. Now solve for x:
254+x=324
x=70

The answer is 70
5 0
3 years ago
Your friend, Isabel, has a credit card with an APR of 19.9%! How many dollars would she pay as a finance charge for just 1 month
Mazyrski [523]

Answer:

$16.583

Step-by-step explanation:

Given :Your friend, Isabel, has a credit card with an APR of 19.9%!

To Find : How many dollars would she pay as a finance charge for just 1 month on a $1000 charge?

Solution:

We are given that finance charge for just 1 month on a $1000 charge.

So, Finance charge = \frac{19.9\% \times 1000}{12}

Finance charge = \frac{\frac{199}{1000}\times 1000}{12}

Finance charge = \frac{199\times 1000}{12}

Finance charge = 16.583

Hence she pay $16.583 as a finance charge for just 1 month on a $1000 charge.

6 0
3 years ago
What is the solution of -8 / 2 y - 8 equals 5 / y + 4 - 7 y + 8 / Y 2 - 16​
AysviL [449]

Answer:

The value of y is 6.

Step-by-step explanation:

The given equation is

\dfrac{-8}{2y-8}=\dfrac{5}{y+4}-\dfrac{7y+8}{y^2-16}

It can be rewritten as

\dfrac{-8}{2(y-4)}=\dfrac{5}{y+4}+\dfrac{7y+8}{y^2-4^2}

\dfrac{-4}{(y-4)}=\dfrac{5}{y+4}+\dfrac{7y+8}{(y+4)(y-4)}

Multiply both sides by (y+4)(y-4).

(y+4)(y-4)(\dfrac{-4}{(y-4)})=(y+4)(y-4)(\dfrac{5}{y+4})+(y+4)(y-4)(\dfrac{7y+8}{(y+4)(y-4)})

(y+4)(-4)=(y-4)(5)+7y+8

-4y-16=5y-20-(7y+8)

-4y-16=5y-20-7y-8

-4y-16=-2y-28

-4y+2y=-28+16

-2y=-12

Divide both sides by -2.

y=6

Therefore, the value of y is 6.

5 0
3 years ago
PLEASE HELP WILL MARK BRAINLIEST
quester [9]
lyme answer is yes no yes no
7 0
3 years ago
Read 2 more answers
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