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Maru [420]
3 years ago
5

The student council had a canned food drive. they collected a total of 63 cans on wednesday. this is 21% of the total. how many

canned goods were collected on thursday with 46% of the total
Mathematics
1 answer:
Mama L [17]3 years ago
4 0
The total is 300 cans. And 46percent of the total is 138. Therefore 138canned food was collected on Thursday.
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Use the distributive property to solve the equation 4x/5-x=x/10-9/2
Oksana_A [137]

Answer:

\Huge\boxed {x = 15}

Step-by-step explanation:

⟾Collect like terms

  • 8x - 10x = x - 45

⟾Move the variable to the left

  • - 2x = x - 45

⟾Collect like terms again

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⟾Divide both sides by -3

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⟾ x = 45 ÷ 3

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Hope it's helps you

4 0
3 years ago
What is the probability of flipping a coin 10 times and getting tails 7 times ? Round your answer to the nearest tenth of a perc
KatRina [158]

Answer:

Option C: 11.7%

Step-by-step explanation:

The number of elements in sample space when a coin is flipped 10 times will be:

n(S) = 2^{10} \\= 1024

Let A be the event that the tails appear 7 times:

Then,

C_{(n,k)}=\frac{n!}{(k!)(n-k)!} \\where\\n=population\\k=picks\\In our case, k =7\\and\\n=10\\C_{(10,7)}= \frac{10!}{(7!)(10-3)!}\\= 120\\So, \\P(A) = \frac{n(A)}{n(S)} \\P(A) = \frac{120}{1024} \\= 0.1171\\

Converting into percentage:

P(A) = 0.1171*100=11.7%

So, option C is correct ..

6 0
3 years ago
Which of the following functions represents an exponential decay with a 15% rate of change where A represents the initial value
melisa1 [442]

The function that represent this exponential decay is given as y = A(0.85)ˣ

<h3>What is an exponential function?</h3>

An exponential function is in the form:

y = abˣ

Where a is the initial value and b is the multiplication factor.

Given that A is the initial value, there is a decay of 15%, hence:

b = 100% - 15% = 0.85

The function that represent this exponential decay is given as y = A(0.85)ˣ

Find out more on exponential function at: brainly.com/question/12940982

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2 years ago
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Liono4ka [1.6K]
Should be chosen the bigger propability
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3 years ago
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evablogger [386]

Z = -2

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is your answer

7 0
3 years ago
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