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defon
3 years ago
5

9 marbles your draw one what is the probability of drawing a red pen? You have 2 yellow 3 black and 4 reds

Mathematics
2 answers:
Pie3 years ago
7 0

Answer:

4 / 9

Step-by-step explanation:

There are 4 reds out of 9 so the probability would be 4 out of 9 or 4 / 9.

V125BC [204]3 years ago
6 0

Answer:

None

Step-by-step explanation:

Notice how it says red pens, not red marbles. There is no red pen

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What an expression that is equivalent to 7/8​
diamong [38]

Answer:

0.875 is the equivalent fraction

4 0
2 years ago
Adisa borrows $5,000 at 14% interest, compounded twice a year. How much does she owe at the end of 8 years?
N76 [4]

The borrower owes $14,760.82  at the end of 8 years

What is compounding interest?

Compounding interest means that earlier interest would earn more interest in the future alongside the loan principal.

Note that in this case the loan continues to accumulate interest because there no repayments, in other words, the loan balance after 8 years, which comprises of the principal and interest for 8 years can be computed using the future value formula of a single cash flow(the single cash flow is the principal) as shown thus:

FV=PV*(1+r/n)^(n*t)

FV=loan balance after 8 years=unknown

PV=loan amount=$5,000

r=annual interest=14%

n=number of times in a year that interest is compounded=2(twice a year)

t=loan period=8 years

FV=$5000*(1+14%/2)^(2*8)

FV=$5000*(1.07)^16

FV=$5000*2.95216374856541

FV=loan balance after 8 years=$14,760.82

Find out more about semiannual compounding on:brainly.com/question/7219541.

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4 0
2 years ago
If 2x⁴ + 2y⁴ + 2z⁴ = 144, what is the mean of x⁴, y⁴ and z⁴​
Margarita [4]

Answer: 24

Step-by-step explanation:

Given

2x^4+2y^4+2z^4=144

dividing whole equation by 2, we get

\Rightarrow x^4+y^4+z^4=72

Mean is given by the sum of the value of entities divided by the total no of entities

\Rightarrow \text{Mean}=\dfrac{x^4+y^4+z^4}{3}\\\\\Rightarrow \text{Mean}=\dfrac{72}{3}\\\\\Rightarrow \text{Mean}=24

5 0
3 years ago
Suppose a country's population in 1980 was 210 million. In 1990 it was 225 million.
polet [3.4K]
225/210=e^10k
1.0714285714285714285714285714286=e^10k
ln 1.0714285714285714285714285714286=ln e^10k=10k ln e=10k
k=0.00689928714869514514734197052474
P(2000)=210*e^0.00689928714869514514734197052474x20
P(2000)=241.07142 million

4 0
2 years ago
Read 2 more answers
Help math Help math Help math Help math
stepan [7]

Answer:

4 and - 4

Step-by-step explanation:

An absolute value makes any number its positive counterpart. The absolute value of 4 is 4 and the absolute value of - 4 is 4.

8 0
3 years ago
Read 2 more answers
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