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AysviL [449]
3 years ago
6

Pieces of paper with each letter of the alphabet are placed into a jar. A student draws

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
3 0

Answer:

0.71 to 2 decimal places.

Step-by-step explanation:

The Probability that a letter A through G is drawn in 1 draw = 7/26.

The probability that a different draw other A-G is made = 1 - 7/26 = 19/26.

Probability ( No A-G drawn in 4 draws) = (19/26)^4 = 0.2852.

Therefore, the probability that A-G is drawn at least once = 1 - 0.2852.

= 0.71 to 2 decimal places.

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brine's kitchen has an area of 81 square feet. the kitchen is 9 times as many square feet as brine's pantry. if the pantry is 3
maks197457 [2]
So 81/9=9 so area of pantry is 9

3 times x=9
3x=9
divide both sides by 3
x=3

legnth/width=3
8 0
3 years ago
-3(5)^2-(-2)(-8) simplify
avanturin [10]

To do this, we're going to use the order of operations (PEMDAS):

P - Parentheses

E - Exponents

M - Multiplication

D - Division

A - Addition

S - Subtraction

First let's do parentheses, there isn't anythig in parentheses we need to simplify, so we can skip this step.

Next let's look for exponents. I see we have a 5^2 so let's replace that with 5^2=25:

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Now let's look for multiplcation. We know that things that are right next to eachother in parentheses represent multiplcation, so let's simply this more:

-3(25)=-75

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And now we're left with a simple problem we know how to solve.

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Hope this helps!

3 0
3 years ago
7.5% of the grade has green eyes if there are 120 students in the grade how many dont have green eyes​
GREYUIT [131]

Answer:

Step-by-step explanation:

If 7.5 % has green eyes, then 92.5% (the complement given by 100%-7.5%)  dont have green eyes. 92.5% of 120 is given by

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111 students in the grade dont have green eyes.  

8 0
3 years ago
Mahra saw an ad for three t-shirts for $33 and four t-shirts costing $42. Is the relationship of price and number of t-shirts a
slamgirl [31]

Answer

no  because as per the first ad the rate of a shirt is 11 dollars wherelse if u take second one its 2 dollars lesser

Step-by-step explanation:

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4 0
3 years ago
What is the constant of proportionality in this graph?
lana [24]

Answer:

one half or 1/2

Step-by-step explanation:

do your rise over your run on the graph.

7 0
3 years ago
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