3 years ago

4) There are 14 pieces of candy in a bag. Four are broken. What is the probability of reaching into

Mathematics

1 answer:

erma4kov [3.2K]3 years ago

5 0

Answer:

I would say it's a 10:4 ratio.

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Nicole is studying for her upcoming college entrance exams. She has already completed 20 practice problems and plans on completi

Semenov [28]

Total number of problems Nicole will have completed: y
Number of nights she studies: x

She has already completed 20 practice problems:
When x=0, y=20

She plans on completing 6 more problems each night:
y=20+6x
y=6x+20

Please, see the attached graph.

Thanks.

4 0

3 years ago

PLS HELP MEE ASAP 1 MIN LEFT HELPP!!!!!!!!!

artcher [175]

Answer: BC = 5.83

Step-by-step explanation:

Luckily, the triangle is placed on the graph nicely so we can count the legs of the triangle:

AB = 5

AC = 3

BC = ?

To find BC, we can simply use the Pythagorean Theorem:

$a^{2}+b^{2}=c^{2}$

5^2 + 3^2 = c^2

25 + 9 = c^2

34 = c^2

Now square root to find c, or BC.

$\sqrt{34}=\sqrt{c^{2} }$

c = 5.83 (rounded by nearest hundredth)

4 0

3 years ago

Bethany has 3.10$ in nickels and dimes. She has a total of 44 coins . What is the value of the nickels Bethany has

vlada-n [284]

Represent the unknows with n and d.

Then n+d = 44 (# of coins)

and

$0.05n + $0.10d = $3.10 (value of coins)

Solving the first equation for n, we get n = 44-d. Subst. 44-d for n in the 2nd equation:

0.05(44-d) + 0.10d = 3.10
Then 2.20 - 0.05d + 0.10d = 3.10, or
2.20 + 0.05d = 3.10, or 0.05d = 0.90. Solving for d,
0.90
d = -------- = 18
0.05

There are 18 dimes and 44-18 nickels. How many nickels is that? ;)

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3 years ago

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Fill in the blanks a ---÷48=-1

agasfer [191]

Ans is -48.

Hope this will help u..