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2 years ago

F + 0.3 < 1.7 I need help with this question its tricky

Mathematics

1 answer:

Ainat [17]2 years ago

6 0

F + 0.3 < 1.7

Subtract 0.3 on both sides

F < 1.4

Your final answer is F < 1.4

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Simplify 7.5/4 - 4.9+2.1/25

andriy [413]

Answer:

-2.941

Step-by-step explanation:

7.5/4=1.875

2.1/25=0.084

1.875-4.9+0.084

-3.025+0.084

-2.941

6 0

3 years ago

Answer for 5(-x +2) + 3x +5 = 11

crimeas [40]

Answer:

x = 2

Step-by-step explanation:

This is what I got based on my answers.

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3 years ago

What if both Sammy and Tanya each drove the same number of miles for another 14 days? How many miles would they have driven ALL

Gennadij [26K]

Answer:

Take whatever amount of miles Sammy and Tanya drive and add them

Step-by-step explanation:

I don't have many numbers to work with so my equations are:

14 x (1 day of driving miles amount) = a

A x 2 = your answer

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3 years ago

How to solve this?<br>\int \frac { 4 - 3 x ^ { 2 } } { ( 3 x ^ { 2 } + 4 ) ^ { 2 } } d x

ivanzaharov [21]

$\Large \mathbb{SOLUTION:}$

$\begin{array}{l} \displaystyle \int \dfrac{4 - 3x^2}{(3x^2 + 4)^2} dx \\ \\ = \displaystyle \int \dfrac{4 - 3x^2}{x^2\left(3x + \dfrac{4}{x}\right)^2} dx \\ \\ = \displaystyle \int \dfrac{\dfrac{4}{x^2} - 3}{\left(3x + \dfrac{4}{x}\right)^2} dx \\ \\ \text{Let }u = 3x + \dfrac{4}{x} \implies du = \left(3 - \dfrac{4}{x^2}\right)\ dx \\ \\ \text{So the integral becomes} \\ \\ = \displaystyle -\int \dfrac{du}{u^2} \\ \\ = -\dfrac{u^{-2 + 1}}{-2 + 1} + C \\ \\ = \dfrac{1}{u} + C \\ \\ = \dfrac{1}{3x + \dfrac{4}{x}} + C \\ \\ = \boxed{\dfrac{x}{3x^2 + 4} + C}\end{array}$

5 0

3 years ago

You earn $7.50 per hour at a fast food restaurant. You earned $123.75 last week. How many hours did you work last week?

ladessa [460]

I believe you would need to divide 123.75 by 7.50.

The equation would look something like this:
7.50x=123.75
Where x = # of hours worked
123.75 / 7.50 = 16.5
so x = 16.5
You worked for 16.5 hours

3 0

3 years ago