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3 years ago

What is the solution to 6x^2 + 2x + 4 = 0?

Mathematics

1 answer:

Angelina_Jolie [31]3 years ago

8 0

Step 1) Divide 6 and 4 (the last 2 numbers) and bring everything else down

6x^24x+2x+4

Step 2) Place in parentheses

(6x^24x)+(2x+4)

Step 3) Figure out what you can take out of each parentheses.

**In the first one, you can take out 6x because both numbers have x and 6 is the largest number 6 and 24 can go into.**

**In the second one, you can only take out 2 because 2 is the largest number that goes into 2 and 4.**

Step 4) You will know you did it correctly when the parentheses match up

6x(x+4) + 2(x+4) <<< this is how it should look

Answer: (6x+2)(x+4)

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Which of the following phrases can be written as the algebraic expression 76−(x+3) ?

lapo4ka [179]

The correct answer should be E, The sum of a number and three subtracted from seventy-six.

“A number” represented by x, is added to 3, and is therefore labeled a sum.
(x+3)
This sum is then subtracted from 76.
76-(x+3)

4 0

3 years ago

Write and solve a measure of each angle.

aliya0001 [1]

They both are acute angles

8 0

3 years ago

Find the solution of the system of equations. x-y=-3 -8x+y=45

mezya [45]

Answer:

x = 17, y = 28

Step-by-step explanation:

1. Isolate for x in "x - y = -3, -8":

x - y+y = -3, -8+y

x = -11 + y

2. Substitute "x = -11 + y" in for x in the second expression:

-11 + y + y = 45

3. Simplify:

-11 + 2y = 45

4. Isolate y:

-11+11 +2y = 45+11

2y = 56

$\frac{2y}{2} = \frac{56}{2}$

y = 28

5. Substitute the new y-value into the first equation:

x = -11 + 28

x = 17

hope this helps!

5 0

2 years ago

The first week of January there are 49 dogs and 28 cats in an animal shelter. Throughout the month the ratio of dogs to cats rem

Rudiy27

Answer:

Step-by-step explanation:

If the ratio of dogs to cats is 49:28, as an actual ratio (fraction), this is

$\frac{d}{c}:\frac{49}{28}$

We can reduce that to make the numbers smaller without changing the ratio. reducing gives us

$\frac{d}{c}:\frac{7}{4}$

We will use that ratio now to set up a proportion that involves a given number of cats and an unknown number of dogs. Keeping dogs on top and cats on bottom,

$\frac{d}{c}:\frac{7}{4}=\frac{x}{20}$

Cross multiply to get

4x = 140 so

x = 35

According to the ratio of dogs to cats, if there are 20 cats, there will be 35 dogs.

3 0

4 years ago

There are 52 weeks in one year. If cindy drew three pictures each week, for 2 years, how many pictures did cindy draw?

Andrews [41]

Answer:

104 pictures

Step-by-step explanation:

3 0

3 years ago