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3 years ago

Please help me with this math problem

Mathematics

1 answer:

Alex_Xolod [135]3 years ago

5 0

Answer:

x-intercept(s):

(−8,0)

y-intercept(s):

(0,6)

Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=15%20%2B%205x%20%20%5C%5C%2014x%20-%206" id="TexFormula1" title="15 + 5x \\ 14x - 6" alt="15

olga_2 [115]

Reorder the terms:

6 + 14x = 15x

Solving

6 + 14x = 15x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-15x' to each side of the equation.

6 + 14x + -15x = 15x + -15x

Combine like terms: 14x + -15x = -1x

6 + -1x = 15x + -15x

Combine like terms: 15x + -15x = 0

6 + -1x = 0

Add '-6' to each side of the equation.

6 + -6 + -1x = 0 + -6

Combine like terms: 6 + -6 = 0

0 + -1x = 0 + -6

-1x = 0 + -6

Combine like terms: 0 + -6 = -6

-1x = -6

Divide each side by '-1'.

x = 6

Simplifying

x = 6

4 0

4 years ago

What would this question look like after we change the mixed number to improper & use KCF to rewrite the question?

iris [78.8K]

Answer:

The question $3\frac{1}{2}\div\frac{1}{3}$ after change the mixed number to improper & using KCF will become : $\mathbf{=\frac{7}{2}\times \frac{3}{1}}$

Option B is correct option.

Step-by-step explanation:

We need to change the mixed number to improper & use KCF to rewrite the question.

The expression is: $3\frac{1}{2}\div\frac{1}{3}$

First converting mixed fraction into improper fraction

Multiply whole number with the denominator i,e (3*2=6) now add the numerator i.e (6+1) = 7/2

Solving:

$3\frac{1}{2}\div\frac{1}{3}\\=\frac{7}{2}\div\frac{1}{3}$

Using KCF

KCF stands fro Keep it, Change it, Flip it.

It is used when division sign is converted to multiplication the term (1/3) is reversed to (3/1)

So, our expression will be

$=\frac{7}{2}\times \frac{3}{1}$

So, The question $3\frac{1}{2}\div\frac{1}{3}$ after change the mixed number to improper & using KCF will become : $\mathbf{=\frac{7}{2}\times \frac{3}{1}}$

Option B is correct option.

5 0

3 years ago

When finding the two numbers mentally, can you use the commutative property?

serious [3.7K]

You could but im not sure

3 0

4 years ago

Help please! There is an image attached below

ioda

Answer:

Step-by-step explanation:

The absolute value always returns a positive value, that is

| - a | = | a | = a, thus

| 3 $\frac{1}{2}$ | = 3 $\frac{1}{2}$ → C

4 0

3 years ago

Read 2 more answers

If x = -3 and y = 4 find the value of : x(3x + 4y)

Soloha48 [4]

Answer:

-21

Step-by-step explanation:

(−3)((3)(−3)+(4)(4))

=(−3)((3)(−3))+(−3)((4)(4))

=27−48

=−21

3 0

3 years ago