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3 years ago

Solve for p if 2|p| = 4

Mathematics

1 answer:

Rina8888 [55]3 years ago

3 0

P is equal to plus or minus 2 because it'll both be equal to 4

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Sheila only has $10 to spend on muffins. If muffins are $1.50 each, how many muffins can she

KIM [24]

Answer:

Step-by-step explanation:

10 divided by 1.50 equals 6

5 0

3 years ago

921 divided by 2 what’d the remainder

s2008m [1.1K]

921÷ 2 = 460.5
which means the remainder is 1
So; the answer is 1

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3 years ago

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Which equation is this model?

Elan Coil [88]

Im not sure but I think could be

3x=0

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3 years ago

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A street light is mounted at the top of a 15-ft-tall pole. A man 6 ft tall walks away from the pole with a speed of 4 ft/s along

mina [271]

Answer:

The tip of the man shadow moves at the rate of $\frac{20}{3} ft.sec$

Step-by-step explanation:

Let's draw a figure that describes the given situation.

Let "x" be the distance between the man and the pole and "y" be distance between the pole and man's shadows tip point.

Here it forms two similar triangles.

Let's find the distance "y" using proportion.

From the figure, we can form a proportion.

$\frac{y - x}{y} = \frac{6}{15}$

Cross multiplying, we get

15(y -x) = 6y

15y - 15x = 6y

15y - 6y = 15x

9y = 15x

y = $\frac{15x}{9\\} y = \frac{5x}{3}$

We need to find rate of change of the shadow. So we need to differentiate y with respect to the time (t).

$\frac{dy}{t} = \frac{5}{3} \frac{dx}{dt}$ ----(1)

We are given $\frac{dx}{dt} = 4 ft/sec$ . Plug in the equation (1), we get

$\frac{dy}{dt} = \frac{5}{3} *4 ft/sect\\= \frac{20}{3} ft/sec$

Here the distance between the man and the pole 45 ft does not need because we asked to find the how fast the shadow of the man moves.

7 0

3 years ago

10c - cd + d^3 (if c = -6 and d= 2)

mash [69]

The required simplified solution of the given expression is -40.

Given that,
To determine the simplified solution of the given expression 10c - cd + d³ at c = -6 and d = 2.

<h3>What is simplification?</h3>

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
= 10c - cd + d³

Substitute the values,
= -60 + 12 + 8
= -40

Thus, the required simplified solution of the given expression is -40.

Learn more about simplification here:

brainly.com/question/12501526

#SPJ1

6 0

1 year ago