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4 years ago

The expression 3×150 is equivalent to

Mathematics

1 answer:

damaskus [11]4 years ago

7 0

Answer:

450

Step-by-step explanation:

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The sum of seven and a number n<br>

Ivahew [28]

Answer:

7+n

Step-by-step explanation:

the sum is add so its

7+n

4 0

4 years ago

PLs help with these 2 problems

gavmur [86]

The expressions are simplified to 2x and $\frac{2}{(x+ 1)(x - 1)}$

<h3>How to simply the expressions</h3>

Given the expression;

$\frac{8x^2 - 4x}{4x - 2}$

Let's factorize the numerator;

$\frac{2x( 4x - 2)}{4x - 2}$

Factor the common terms, we have;

2. $\frac{1}{x-1} - \frac{2}{x} + \frac{1}{x + 1}$

Find the Lowest common multiple

$\frac{x(x+ 1) - 2 (x+ 1)(x - 1) + x(x-1)}{x(x-1)(x+ 1)}$

expand the brackets

$\frac{x^2 + x -2(x^2 -x + x -1) + x^2 -x}{x(x-1)(x+ 1)}$

$\frac{x^2+x - 2x^2 -2 + 2x + 2 + x^2 - x}{x(x+1) (x -1)}$

collect like terms

$\frac{2x}{x(x+ 1) (x-1)}$

Divide common terms

$\frac{2}{(x+ 1)(x - 1)}$

Thus, the expressions are simplified to 2x and $\frac{2}{(x+ 1)(x - 1)}$

Learn more about algebraic expressions here:

brainly.com/question/4344214

#SPJ1

7 0

2 years ago

In 1911, the first year of the Indianapolis 500 auto race, the winning car had an average speed of 109.416 feet per second. What

Elena-2011 [213]

Answer:

74.6018 Miles per hour

Step-by-step explanation:

Step 1: How many seconds are in an hour? There are 60 seconds in a minute and 60 minutes in an hour, so there are 60*60 = 3600 seconds in an hour.

Step 2: How many feet are in a mile? There are 5280 feet in a mile.

Step 3: To convert feet per second to miles per hour, first multiply by 3600, then divide by 5280. The fraction 3600/5280 reduces to 15/22.

To convert feet per second to miles per hour, multiply by 15/22.

So: 109.416 feet/second * (15/22) = 74.6018 miles/hour

6 0

4 years ago

Solve (x + 1 < 4) ∩ (x - 8 > -7).

Monica [59]

1 < x < 3 because

( x < 3 ) intersecting ( x > 1)

3 0

3 years ago

Read 2 more answers

A campus deli serves 300 customers over its busy lunch period from 11:30 a.m. to 1:30 p.m. A quick count of the number of custom

NeX [460]

Answer:

4 minutes

Step-by-step explanation:

There are two hours from 11:30 a.m. to 1:30 p.m

The hourly rate of service is:

$r=\frac{300}{2}=150\ customers/hour$

If the average number of customers in the system (n) is 10, the time that a customer spends in process is given by:

$t=\frac{n}{r} =\frac{10}{150}=0.06667\ hours$

Converting it to minutes:

$t= 0.066667\ hours*\frac{60\ minutes}{1\ hour}\\t=4\ minutes$

A customer spends, on average, 4 minutes in process.

7 0

4 years ago