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3 years ago

What is (2,3) (4,1) (6,2) and (3,5) reflected across the y-axis ?

1 answer:

3 0

What are the units they have to be reflected by? here’s a bit of help:

x= up and down units
y= left and right units

i forgot if you add or subtract, but hopefully someone smarter will (:

good luck!

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SOMEONE PLZ HELP ME ASAP

Marizza181 [45]

Answer:

XW = 4 units

Step-by-step explanation:

Given tanf° = $\frac{2}{1}$ , then

tanf° = $\frac{opposite}{adjacent}$ = $\frac{YW}{XW}$ = $\frac{8}{XW}$ = $\frac{2}{1}$ ( cross- multiply )

2XW = 8 ( divide both sides by 2 )

XW = 4

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3 years ago

How many cups is a gallon?

Masja [62]

16 i think is the amount of cups in a gallon :)

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3 years ago

Factoring 0=6X^2+x-7

trapecia [35]

The answer is X=-7 and X=6

5 0

3 years ago

Please help!!

meriva

Answer:

Step-by-step explanation:

lolol

4 0

2 years ago

Please could you explain this step by step I’m really stuck.

allochka39001 [22]

Answer:

x = -2.5
x = 2

Step-by-step explanation:

Hello!

We can remove the denominators by multiplying everything by it.

Solve:

$\frac{5}{x + 3} + \frac4{x + 2} = 2$
$5 + \frac{4(x + 3)}{x + 2} = 2(x + 3)$
$5 + \frac{4x + 12}{x + 2} = 2x + 6$
$5(x + 2) +4x + 12 = (2x + 6)(x + 2)$
$5x + 10 + 4x + 12 = 2x^2 + 6x + 4x + 12$
$9x + 22 = 2x^2 + 10x + 12$

Let's make one side equal to 0.

$0 = 2x^2 + x - 10$

Solve by factoring, and then the zero product property.

$0 = 2x^2 + x - 10\\$

Multiply 2 and -10. You get -20. Think of two number that multiply to -20, and add to 1. If we think about the standard form of a quadratic, $ax^2 + bx + c$ , think two numbers that equal "ac" and add up to "b".

$0 = 2x^2 - 4x + 5x - 10$
$0 = 2x(x - 2) + 5(x - 2)$
$0 = (2x + 5)(x - 2)$

Using the zero product property, set each factor to 0 and solve for x.

2x + 5 = 0
2x = -5
x = -5/2 = -2.5
x - 2 = 0
x = 2

The two answers are x = -2.5, and x = 2.

3 0

2 years ago

Read 2 more answers