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3 years ago

What is the coefficient of the variable in the expression 6-4x-8x+2

Mathematics

1 answer:

Daniel [21]3 years ago

6 0

I think the trick is to add the two middle terms together. (And the 2 end terms).

8 - 12x

The variable is x. The coefficient is - 12.

8 is a constant.

The coefficient always goes with a variable.

3x^2 + 2x + 5

Nothing can be combined. The leading coefficient is 3 (which goes with the greatest power of the variable x^2 in this case) and the other coefficient is 2. 5 is a constant.

You might be interested in

I am having trouble with number 2. Please show how the answer was gotten.

Andrews [41]

We know how we got 90, since a right angle is 90 degrees,

180 degrees are in a triangle.

180-90=90

Find the pair that equals 90 so you get 180 degrees!

If you have more questions don’t have hesitation to ask!

Or add all number to get 180 degrees!

4 0

3 years ago

Students who attend Washington Middle School are either in seventh or eighth grade. At the end of the first semester 25% of the

Irina18 [472]

Answer:

There are 1240 students who attended Washington Middle School.

Step-by-step explanation:

Given:

Students who attend Washington Middle School are either in seventh or eighth grade.

At the end of the first semester 25% of the students at Washington Middle School were on the honor roll.

Seventh graders represented 60% of the students on the honor roll.

If 124 students on the honor roll were in eighth grade.

Now, to find the students attend Washington Middle School.

Let the total number of students be $x.$

So, the students at Washington Middle School were on the honor roll:

25% of $x$

$=\frac{25}{100} \times x$

$=\frac{25x}{100}$

$=\frac{x}{4}$

As, given seventh graders represented 60% of the students.

So, the students on the honor roll represented as seventh graders:

$60\%\ of\ \frac{x}{4}$

$=\frac{60}{100} \times \frac{x}{4}$

$=0.6\times \frac{x}{4}$

$=\frac{0.6x}{4}$

As, 124 students on the honor roll were in eighth graders.

Thus,

According to question:

$\frac{x}{4} -\frac{0.6x}{4} =124$

$\frac{x-0.6x}{4} =124$

$\frac{0.4x}{4} =124$

Multiplying both sides by 4 we get:

$0.4x=496$

Dividing both sides by 0.4 we get:

$x=1240.$

Therefore, there are 1240 students who attended Washington Middle School.

6 0

4 years ago

If sin–¹x +sin–¹y+sin–¹z=π/2, prove that x²+y²+z²+2xyz=1

Slav-nsk [51]

Answer:

Step-by-step explanation:

Points

4 0

3 years ago

A street sign is 9 feet 9 inches tall. How tall is it in inches?

sveta [45]

Answer: Hello, There! your Answer is Below.

117 Inches

Step-by-step explanation:

An inch is a unit of length equal to exactly 2.54 centimeters. There are 12 inches in a foot, and 36 inches in a yard

A foot is a unit of length equal to exactly 12 inches or 0.3048 meters.

Hope this helps you!!!

Have a great day!!!

3 0

3 years ago

Read 2 more answers

7/11 x 7/15 x 3 multiply and write your answer as a fraction in the simplest form.

Zepler [3.9K]

Answer: 49/55

7/11 x 7/15 x 3

49/165 * 3

147/165

49/55

3 0

3 years ago

Read 2 more answers