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4 years ago

Simplify the expression: -3(x+6)

Mathematics

2 answers:

KATRIN_1 [288]4 years ago

8 0

Answer:

-3x-18

Step-by-step explanation:

The expression -3(x+6) means that -3 is multiplied with x and 6 in the brackets so the answer would be

$-3x-18$

BartSMP [9]4 years ago

6 0

Answer:

<h2><em>simplification</em></h2><h2><em>simplification-3(X+6)</em></h2><h2><em>simplification-3(X+6)= -3x- 18</em></h2>

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If f(x) = 1/6 x-8, then f^-1(x)=

bezimeni [28]

Answer:

f^-1(x) is 6x + 48

f(x) = 1/6x - 8

To find f^-1(x) equate f(x) to y

That's

f(x) = y

y = 1/6x - 8

Next interchange the terms

We have

x = 1/6y - 8

Make y the subject

Multiply through by 6

We have

6x = y - 48

y = 6x + 48

Therefore f^-1(x) is 6x + 48

Hope this helps you

5 0

3 years ago

Write an equation in slope-intercept form of the line that passes through the given point and is parallel to the graph of the gi

sasho [114]

Equation of a line passing through point (x1, y1) with slope m is given by y - y1 = m(x - x1)
For parallel lines, the slope of the required line is equal to the slope of the given line.
x = -3 is a vertical line, therefore, the required line will also be a vertical line since they are parallel.
Since the required line passes through point (4, 2), the equation of the required line is x = 4.

7 0

3 years ago

Mr.Johnson imported some cartons of noodles.There were 28 packages of in each carton.he then sold 10 of noodles for $5 if he rec

iragen [17]

Answer:

The total number of cartons did he sale is 20 .

Step-by-step explanation:

Given as :

The total number package in each carton = 28

The total amount received after sale = $ 280

The cost of 10 noodles = $ 5

Let the total number of cartoon sale = x

According to question

∵ The number of noodles costing $5 is 10

so,The number of noodles costing $1 is $\frac{10}{5}$ = 2

∴ The number of noodles costing $280 = 2 × 280 = 560

Now, since there are 28 packages in 1 carton

So . the number of carton did he sale = $\dfrac{\textrm total number of noodles}{\textrm total package in each cartoon}$

Or, The number of carton did he sale = $\frac{560}{28}$ = 20

Hence The total number of cartons did he sale is 20 . Answer

6 0

3 years ago

Which linear inequality is represented by the graph?

vodka [1.7K]

The correct answer is B. I figured this out by testing out coordinates into each equation. I am only going to show my work for equation B though... if you want to see the rest of my work, message me.

(0,0) ⇒ this point is within the shaded part of the graph

0 ≤ 1/2(0) + 3
0 ≤ 0 + 3
0 ≤ 3
True

(1,4) ⇒ this point is within the unshaded region

4 ≤ 1/2(1) + 3
4 ≤ 1/2 + 3
4 ≤ 3.5
False

This proves that equation B matches the graph shown.

8 0

3 years ago

Fill in the blanks W Two numbers that when multiplied together gives 6 and when added together gives -7 are: and

Sophie [7]

Answer:

-1 and -6.

Step-by-step explanation:

-1 and -6

-1*-6 = 6

-1 + (-6) = -1-6= -7.

8 0

3 years ago