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notka56 [123]
2 years ago
7

Help me please this is a test

Mathematics
2 answers:
BabaBlast [244]2 years ago
8 0

Answer:

d = 8

Step-by-step explanation:

guajiro [1.7K]2 years ago
6 0

Answer:

d = 8

Step-by-step explanation:

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Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. She randomly picks three coins. Each time she picks a coin, she
Mashutka [201]

Answer:

(1) .20 (2) .40 (3) .12 (4) Less than

Step-by-step explanation:

You have to look at the table.  There are 5 columns with 10 rows.  5x10=50

Then simply count the boxes that have the correct number of currency for instance, if they are asking for EXACTLY 1 dime then you rule out the ones that have 2 or 3 dimes and only the count the ones that have a single dime.   So you count PDN but you would not count PDD.  There are 20 boxes that have a single dime in them.  20 out of the 50 boxes. 20/50=.40 (answer 2)

The estimated probability that exactly two of the three coins Avery randomly picked are nickels is . 20

The estimated probability that exactly one of the three coins Avery randomly picked is a dime is . 40

The estimated probability that all three coins Avery randomly picked are pennies is . 12

The answer to #1 is .20 or 20% and the answer to #2 is .40 or 40%.  20% is less than 40% so...

The estimated probability that exactly two of the three coins Avery randomly picked are nickels is  LESS THAN the estimated probability that exactly one of the three coins Avery randomly picked is a dime.

4 0
3 years ago
Evaluate ƒ( x ) = x 2 + 1 for ƒ(10).
vlabodo [156]
F(x) = x^2 + 1  f(10)
f(10) = 10^2 + 1
f= 101
7 0
3 years ago
In a 30°-60°-90° triangle, what is the length of the longer leg when the length of the hypotenuse is 18 inches?
max2010maxim [7]

Answer:

9sqrt(3) in.

Step-by-step explanation:

The ratio of the lengths of the sides of a 30-60-90 triangle is:

short leg : long leg : hypotenuse

      1        :   sqrt(3)  :          2

If the short leg measures 1, then the hypotenuse measures 2.

The length of the hypotenuse is twice the length of the short leg.

The length of the long leg is sqrt(3) times the length of the short leg.

If the hypotenuse measures 18 in., then the short leg measures 9 in.

Then the long leg measures 9sqrt(3) in.

8 0
3 years ago
PLZ HELP ME WITH THIS
VARVARA [1.3K]

Answer:

-16s+40

Step-by-step explanation:

4 0
2 years ago
Rewrite the equation in Ax+By=c <br> y-4=5(x-6)
laila [671]
Y-4=5(x-6)
y-4=5x-30
5x-y=26
5x+(-1)y=26
4 0
3 years ago
Read 2 more answers
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