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3 years ago

Multiply 1 over 2 multiplied by negative 1 over 4 . Which of the following is correct?

2 answers:

8 0

The answer is A
Since anytime you multiply a negative by a positive the answer is going to be negative.
When multiplying fractions you multiply across so 1*1 = 1 and 2*4 = 8 so the answer is 1/8

PIT_PIT [208]3 years ago

4 0

Answer:

im pretty sure its A

Step-by-step explanation

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What does 1/5 + (-1/2) equal

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Answer: (:

Step-by-step explanation:

-0.3

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3 years ago

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Mr. Garcia is opening a restaurant. The fire code states that the restaurant can seat no more than 124 people at a time. If Mr.

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3 years ago

How many units that cost $4.25 each can you get out of $150

sveticcg [70]

150/4.25
=35.29
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4 years ago

The population of a certain species of insect is given by a differentiable function P, where P(t) is the number of insects in th

Step2247 [10]

Answer:

$\frac{dP}{dt} \ =\ \frac{1}{5}P$

Step-by-step explanation:

Given

Variation: Directly Proportional

Insects = 10 million when Rate = 2 million

i.e. $P = 10\ million$ when $\frac{dP}{dt} = 2\ million$

Required

Determine the differential equation for the scenario

The variation can be represented as:

$\frac{dP}{dt} \ \alpha\ P$

Which means that the rate at which the insects increase with time is directly proportional to the number of insects

Convert to equation

$\frac{dP}{dt} \ =\ k * P$

$\frac{dP}{dt} \ =\ kP$

Substitute values for $\frac{dP}{dt}$ and P

$2\ million = k * 10\ million$

Make k the subject

$k = \frac{2\ million}{10\ million}$

$k = \frac{2}{10}$

$k = \frac{1}{5}$

Substitute $\frac{1}{5}$ for k in $\frac{dP}{dt} \ =\ k * P$

$\frac{dP}{dt} \ =\ \frac{1}{5}* P$

$\frac{dP}{dt} \ =\ \frac{1}{5}P$

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3 years ago

32 + 64x - 40y (please factor it)

Lana71 [14]

The answer factored is
8(4+8x-5y)

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3 years ago