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zalisa [80]
3 years ago
12

10x+9=4x -9 solve please help

Mathematics
1 answer:
Neporo4naja [7]3 years ago
7 0

Answer:

x = -3

Step-by-step explanation:

To solve this, you need to isolate the variable x, this means only one side of the equation should have the variable x. To do this, you need to do the opposite operation from what's given (if it's addition, use subraction; if it's multiplication, use division; these work vise versa)

  • Subtract 9 from both sides of the equation. This gives you 10x = 4x - 18.
  • Subtract 4x from both sides of the equation. This gives you 6x = -18.
  • Divide both sides by 6. This gives you x = -3

The final answer is x = -3

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Given the parent graph
zzz [600]

Using translation concepts, it is found that the new function was reflected over the x-axis and vertically compressed by a factor of 3.

<h3>What is a translation?</h3>

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction in it's definition.

The functions are given as follows:

  • Parent: f(x) = 4^x.
  • Translated: f(x) = -\frac{1}{3} \times 4^x.

The translated function was multiplied by -1/3, hence it was reflected over the x-axis(multiplication by negative number) and vertically compressed by a factor of 3(fraction of 1/3).

More can be learned about translation concepts at brainly.com/question/4521517

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8 0
2 years ago
What is the angle of B. Round your answer to the nearest hundredth​
Mila [183]

Answer:

B = 53.13

Step-by-step explanation:

Since this is a right triangle, we can use the tan function

tan B = opposite side/ adjacent side

tan B = 4/3

Take the inverse tan of each side

tan ^-1 (tan B) = tan^-1 (4/3)

B = 53.13010235

To the nearest hundredth

B = 53.13

3 0
3 years ago
Find the percentage of decrease from 95 to 60
balu736 [363]
The answer is about 36.9%
I just guessed and checked. 95-60= 35
So .3685×95 is the closest to equaling 35
6 0
3 years ago
A humer four-door costs the dealer $57,915 the deaer has a 12.3% makeup
UNO [17]

Answer:

65038.55

Step-by-step explanation:

First, Let's turn 12.3% into a decimal which is 0.123

Then Multiply 57,915 by 0.123

57,915 × 0.123= 7123.545 Round; 7,123.55

Then Add  [Mark up = Add] 57,915 with 7,123.55

57,915 + 7,123.55= 65038.55

Hence, the Answer is 65038.55

4 0
2 years ago
(5x+2x^2-3)-(6+x^2-8x)
Nimfa-mama [501]

Answer:

13x + x^2 - 9

Step-by-step explanation:

You have to distribute then eliminate redundant parentheses then subtract the numbers then combine like terms then multiply by one then combine like terms and then the answer is 1  13x + x^2 - 9.

3 0
3 years ago
Read 2 more answers
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