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3 years ago

True of false sun light hitting a car may cast a shadow

Mathematics

1 answer:

ryzh [129]3 years ago

6 0

Answer:

true

Step-by-step explanation:

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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

On a Map, 1 inch equals 48 miles. If the if the distance between two cities on a map is 2.5 inches how many miles apart are they

Elza [17]

1 inch = 48 miles. Therefore, 2.5 inches = 2.5X48= 120miles

4 0

3 years ago

Read 2 more answers

What value is equivalent to 3 × 10 − 2(12 − 3 × 3)? A) -24 B) 24 C) 252 D) 756

Scrat [10]

Answer:

B) 24

Step-by-step explanation:

3×10 - 2(12 - 9)
3 × 10 - 2× 3
30 - 6=24

8 0

3 years ago

4x - 5y = -28<br>-3x - 2y = 10

kozerog [31]

Answer:

y=-4/23

im not sure i didn't check (might be wrong)

Step-by-step explanation:

4x - 5y = -28

-3x - 2y = 10

then make x the same

12x-15y=-84

-12x-8y=80

then its left with

-23y=-4

y=-4/23

find x by entering y into -3x - 2y = 10 and solving

8 0

3 years ago

The point located at (3, -1) is reflected across the y-axis. what are it's new coordinates?

Whitepunk [10]

I believe the answer is (-3,-1)

3 0

3 years ago