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3 years ago

Mrs Blackwell gives each of her students two pencils. How many pencils did she hand out

Mathematics

2 answers:

Scorpion4ik [409]3 years ago

8 0

Answer:

The answer is 2 times x.

Step-by-step explanation:

X is the number of students. If each of the student received 2 pencils then you multiply 2 by the number of students.

Vedmedyk [2.9K]3 years ago

3 0

Answer:

The answer is 2 times x.

Step-by-step explanation:

X represents the number of students. If each of her student received 2 pencils, you would multiply 2 by the number of students.

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Initial value problems dy/dx+2y=3. Y(0)=1

Pavel [41]

The initial value equation is $y = \frac 12(3 - e^{-2x})$

<h3>How to solve the initial value?</h3>

The equation is given as:

$\frac{dy}{dx} +2y = 3$

Where

Y(0) = 1

Subtract 2y from both sides in the equation

$\frac{dy}{dx} = -2y + 3$

Rewrite as:

$\frac{dy}{-2y + 3} = dx$

Integrate both sides of the equation

$-\frac 12\ln|-2y + 3| = x + C_o$

Multiply through by -2

$\ln|-2y + 3| = -2x + C_1$

Take the exponent of both sides

$-2y + 3 = Ce^{-2x$

Next, we solve for C under the initial condition Y(0) = 1.

This gives

$-2(1) + 3 = Ce^{-2 * 0$

Evaluate

-2 + 3 = C

Solve for C

C = 1

Substitute C = 1 in $-2y + 3 = Ce^{-2x$

$-2y + 3 = e^{-2x$

Next, we solve for y

$y = \frac 12(3 - e^{-2x})$

Hence, the initial value equation is $y = \frac 12(3 - e^{-2x})$

Read more about initial value at:

brainly.com/question/16945606

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1 year ago

Use the graph below to fill in the blank with the correct number: <br><br> f(0) =

3241004551 [841]

Answer:

The answer to your question is: 1

Step-by-step explanation:

f(0) = 1 , because when x = 1, y = 1

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Umnica [9.8K]

Answer:

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Step-by-step explanation:

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3 years ago

The school auditorium can hold at most 480 people. There were 185 advance tickets sold for the school play. Write and solve an i

attashe74 [19]

Answer:

p + 185 ≤ 480

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Step-by-step explanation:

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2 years ago