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sukhopar [10]
3 years ago
13

I have no idea how to work this one

Mathematics
1 answer:
kolbaska11 [484]3 years ago
4 0
I am pretty sure it's 4
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The diameter of a circle is 30 meters. Find the radius
kkurt [141]

Answer:

15

Step-by-step explanation:

2r=d

r= radius

d=diameter

diameter :30

2r=30

r=30÷2

= 15

5 0
3 years ago
Find the probability of drawing a king from a standard deck of cards and then drawing a queen after the first card is replaced i
olga nikolaevna [1]

Answer:

1/169

Step-by-step explanation:

In a standard deck of cards, there are 4 kings and 4 queens, and there is a total of 52 cards. Probability is defined by the formula the number of desirable outcomes over the total outcomes. In the first draw, we have 52 total outcomes and 4 desirable (the 4 kings) that equal the fraction 4 / 52 or 1/13. We can do the same to find the probability of picking a queen next with replacement. That would equal 1/13 as well. The two events are independent because you are drawing the cards with replacement. Using the probability of independent events, the product of the probabilities at each stage is the answer: 1/13 * 1/13 = 1/169

8 0
3 years ago
If you earn $3500 per month and you expect your earnings to increase by 2.3% per year, how much do you think you will be making
Y_Kistochka [10]
\bf \qquad \textit{Amount for Exponential Growth}\\\\
A=I(1 + r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
I=\textit{initial amount}\to &3500\\
r=rate\to 2.3\%\to \frac{2.3}{100}\to &0.023\\
t=\textit{elapsed time}\to &10\\
\end{cases}
\\\\\\
A=3500(1+0.023)^{10}
8 0
4 years ago
What is the perimeter of the given triangle?
vovikov84 [41]

Answer:

17.2 units

Step-by-step explanation:

You would use the Pythagorean Theorem to solve. The height (a) is 4 units. The base (b) is 6 units.

4^2 + 6^2 = sqrt(52)


This would mean that the hypotenuse is 7.211102550927979 units or 7.2 units (the square root of 4^2 + 6^2).


Now you would need to just add all three sides.
6 + 4 + 7.2 = 17.2 units


Hope that helps! Please mark me brainliest!

5 0
2 years ago
A dealership is having a sale in which customers pay 85% of the retail price for a new vehicle. Keith is buying a vehicle with a
bazaltina [42]
85% of 36000 is 30600
9% of 30600 is 2754
30600 - 2754 = 27846

I'm fairly sure that's right, but I wouldn't say no to a second opinion
4 0
3 years ago
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