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aleksklad [387]
2 years ago
11

3 time the sum of a number and 5 ​

Mathematics
2 answers:
ira [324]2 years ago
4 0
The equation would be 3(x + 5)
lawyer [7]2 years ago
3 0

Answer:

3(x+5) is the answer.

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Write the algebraic expression that is represented by the model
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3x+2y=5

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Find the missing length indicated <br> A) 25<br> B) 5<br> C) 8<br> D) 3
Nonamiya [84]

Given:

The figure of a triangle.

To find:

The missing length.

Solution:

Let x be the missing length.

Basic proportionality theorem(BPT): According to this theorem, if a line is parallel to the one side of a triangle then that the line intersects the other two sides of the triangle in the same ratio.

Using Basic proportionality theorem, we get

\dfrac{6}{8-6}=\dfrac{12-x}{x}

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x=\dfrac{12}{4}

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The missing length is 3 Therefore, the correct option is D.

3 0
2 years ago
John had 2/3 of his homework complete, Sarah had 5/10, Alex 7/8, and Michelle 1/2. Who competed the most of the homework assignm
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Sophia has an ear infection. The doctor prescribes a course of antibiotics. Sophia is told to take 500 mg doses of the antibioti
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Answer:

see below

Step-by-step explanation:

Dosage= 500 mg

Frequency= twice a day (every 12 hours)

Duration= 10 days

Number of dosage= 10*2= 20

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d= 500*(4.5/100)*t= 22.5t, where d- is residual drug, t is number of dosage

After first dose residual drug amount is:

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After second dose:

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As per the equation, the higher the t, the greater the residual drug amount in the body.

Maximum residual drug will be in the body:

  • d= 20*22.5= 450 mg at the end of 10 days

Maximum drug will be in the body right after the last dose, when the amount will be:

  • 500+19*22.5= 927.5 mg
5 0
3 years ago
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