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3 years ago

What is the solution to the equation 6x = 30? A. 5 B. 6 C. 29 D. 41

Mathematics

1 answer:

aksik [14]3 years ago

5 0

Answer:

A. 5

Step-by-step explanation:

What times 6 would make it 30.

You can do 30/6 to get your answer which would be 5

5=x

5*6=30

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4 years ago

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Sofia takes 10mg of a medicine whose concentration in blood decreases by a factor of one half every day. Let t be the number of

bazaltina [42]

Answer: Medication in Lexi's system on day t becomes,

$L=10.625(\frac{1}{2})^{t-4}$

Step-by-step explanation:

Since we have given that

Initial amount Sofia takes of a medicine = 10 mg

Concentration in blood decreases by a factor of one half every day.

So, it becomes,

$S=10(\frac{1}{2})^t\\\\here,\text{ t denotes number of days}$

According to question, four days later, it becomes,

$S=10(\frac{1}{2})^4\\\\S=\frac{10}{16}\\\\S=0.625\ mg$

We have given that Lexi takes 10 mg of the same medicine.

So, it becomes,

$10+0.625\\\\10.625\ mg$

Hence, Medication in Lexi's system on day t becomes,

$L=10.625(\frac{1}{2})^{t-4}$

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3 years ago

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Marsha Deposited $5,500 into a savings account 5 years ago. The simple interest rate is 2%. How much money did Marsha earn in in

Naily [24]

Answer: $550.00

Step-by-step explanation: Equation: I = Prt

<u>Calculation:</u>

First, converting R percent to r a decimal

r = R/100 = 2%/100 = 0.02 per year,

then, solving our equation

I = 5500 × 0.02 × 5 = 550

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The simple interest accumulated

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Hope this helped! ;)

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Aleksandr-060686 [28]

Here’s the answer…Hope this helps?

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3 years ago

Help please!! Step by step!!

UkoKoshka [18]

Answer:

P=0.833

Step-by-step explanation:

The die is six sided so (1,2,3,4,5,6)

Even numbers (2,4,6) P(even)=3/6

Less than 5 (1,2,3,4) P(<5)=4/6

A ∩ B= (2,4) P(A ∩ B)=2/6

The formula to calculate the “or” probability of two events A and B is this: P(even)+P(<5)-P(A ∩ B)

3/6+4/6-2/6=5/6

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3 years ago