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alexgriva [62]
3 years ago
12

There are 52 cards in a deck. There are 4 eights and 4 nines. What is the probability that if you cut the deck, you'll get an ei

ght or a nine?
Mathematics
1 answer:
Sever21 [200]3 years ago
7 0
There is a 3.25% chance the card will either be an 8 or a 9. Hope this helps. :)
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What is the equation of a line that is parallel to y=2/3x+4 and passes through the point (3,7)
jeka57 [31]

Answer:

y=2/3x+5

Step-by-step explanation:

Parallel lines share the same slope so we already know the slope: 2/3.

Now we need to find the y-intercept for the equation. To do that, replace 4 with b. We have y=2/3x+b.

To find out what b is, we need to plug in the x and y values we are given into the current equation. We get 7=2/3(3)+b.

7=2+b

5=b

Now we can put all the information we have together.

y=2/3x+5

8 0
3 years ago
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kotegsom [21]

Answer:

Step-by-step explanation:

whats the question?

7 0
3 years ago
Justin deposited $2,000 into an account 5 years ago. Simple interest was paid on the account. He has just withdrawn $2,876. What
sdas [7]

Answer: 8.76\%

Step-by-step explanation:

The formula to find the final amount after getting simple interest :

A=P(1+rt), where P is the principal amount , r is rate of interest ( in decimal )and t is time(years).

Given : Justin deposited $2,000 into an account 5 years ago.

i.e. P = $2,000 and  t= 5 years

He has just withdrawn $2,876.

i.e. we assume that A = $2876

Now, Put all the values in the formula , we get

(2876)=(2000)(1+r(5))\\\\\Rightarrow\ 1+5r=\dfrac{2876}{2000}\\\\\Rightarrow\ 1+5r=1.438\\\\\Righhtarrow\ 5r=0.438\\\\\Rightarrow\ r=\dfrac{0.438}{5}=0.0876

In percent, r=0.0876\times100=8.76\%

hence, He earned 8.76\% of interest on account.

6 0
3 years ago
Trigonometry problem help please and thank you find angle wxz photo of problem is attached ​
Ksenya-84 [330]

Answer:

wxz = 25°

Step-by-step explanation:

way = 90

zxy = 65

So wxz = 25

Hope it helps you

5 0
2 years ago
What is the length of a diagonal of a rectangle 9m long and 5m wide?
Zarrin [17]
Pythagorean Theorem: a^2 + b^2 = c^2

(5)^2 + (9)^2 = c^2
25 + 81 = c^2
106 = c^2
c = square root of 106

Length of a diagonal of a rectangle is square root of 106.
8 0
3 years ago
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