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3 years ago

What is 3x+10 it’s for khan academy

Mathematics

2 answers:

marishachu [46]3 years ago

8 0

Answer:

There are no like terms.

Step-by-step explanation:

Let's simplify step-by-step.

3x+10

There are no like terms.

Answer:

=3x+10

<h2>Ps: Mathpapa Is A Great Algebra Calculator</h2>

Vanyuwa [196]3 years ago

4 0

Answer: Can't be simplified any further

Step-by-step explanation: You might think that 3x + 10 simplifies to 13x but that's not the case. 3x + 10 can actually not be simplified.

In order for you to be able to add two terms together, you need to have variables that are the same and these are called like terms.

Like terms need to be exactly like except for the coefficients which are the numbers that appear right in front of the variables.

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Four times the reciprocal of a number equal 2 times the reciprocal of 8

garik1379 [7]

Answer:

Step-by-step explanation:

Let the number be y & reciprocal simply means inverse of the number

4×1/y=2×1/8 solving for y

4/y=2/8; y = 16

5 0

3 years ago

<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20%2B9x%2B20%3D0" id="TexFormula1" title="x^{2} +9x+20=0" alt="x^{2} +9x+20=0" ali

Hoochie [10]

Answer:

We have been given an equation $x^2+9x+20=0$

We will factorize it by middle term splitting.

Step 1: $x^2+5x+4x+20=0$

Taking common factors out by clubing first two terms ad last two terms

Step 2: $x(x+5)+4(x+5)=0$

Step 3: $(x+4)(x+5)=0$

Equating both above factors to zero as:

Step 4: $(x+4)=0\Rightarrow x=-4$

And $(x+5)=0\Rightarrow x=-5$ .

3 0

4 years ago

Read 2 more answers

There are four identical quadrants which is 15in.

babunello [35]

I think the answer is 225

4 0

3 years ago

A box of cookies cost $2 before tax. Find the after-tax cost if the sales tax was 8.5%.

adell [148]

Answer:

$2.17 total

Step-by-step explanation:

2 (0.85) = v2.17

7 0

3 years ago

In the diagram, mZXYZ = 115° and mZWXY = 45°.

Allushta [10]

Step-by-step explanation:

mXYZ+mXYW=180°(being straight angle)

mXYW =180-115

mXYW=65

now,

mXWY+mWXY+mXYW=180°(sum of angle of triangle)

mXWY=180-110

mXWY=70°

hope it helps.

4 0

3 years ago