MATHEMATICS HIGH SCHOOL

Бn - 7+ 4n = 23
Help me solve this problem

Answers

Answer 1
Answer: so you have to add 6n and 4n which equals to 10n
10n-7=23
add 7 to both sides
10n=30
divide both sides by 10
n= 3
Answer 2
Answer:

Answer:

3

To find:

n

Step-by-step explanation:

бn - 7+ 4n = 23

10n-7 = 23

10n = 23 + 7

10n = 30

n = 30/10

n = 3

hope it helps you!!

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Square root of 4+2 root 3

Answers

(a+b)^2=a^2+2ab+b^2\ \ \ (*)\n\n\n√(4+2\sqrt3)=√(3+2\sqrt3+1)=\sqrt{\underbrace{(\sqrt3)^2+2\cdot\sqrt3\cdot1+1^2}_((*))}\n\n=√((\sqrt3+1)^2)=|\sqrt3+1|=\sqrt3+1
(a+b)^2=a^2+2\cdot a\cdot b+b^2\n \n4+2 √(3)=1^2+2\cdot1\cdot √(3)+ √(3) ^2\ \ \ \Rightarrow\ \ \ a=1\ \ \ \wedge\ \ \ b= √(3) \n \n4+2 √(3) =(1+ √(3) )^2\n \n \sqrt{4+2 √(3)} = \sqrt{(1+ √(3) )^2} =|1+ √(3) |=1+ √(3)

Trying to find derivative of y = x^(lnx), show step-by-step solution

Answers

y=x^(ln(x))\n ln(y)=\ln{x^(ln(x))}\n ln(y)=ln(x)ln(x)\n (1)/(y) dy= ((1)/(x) ln(x)+ (1)/(x) ln(x))dx\n\n(1)/(y) y'= (2)/(x) ln(x)\n\ny'=y(2)/(x) ln(x)\n\ny'=x^(ln(x))(2)/(x) ln(x)\n\ny'= (x^(ln(x))2ln(x))/(x) \n\ny'=2x^(ln(x)-1)ln(x)

Can you please help my brother !!!!!!

Answers

Answer:

5/4 = 5/8 times 2

1

2

4

5

7

16/5 = 8 times 2/5

9 and 8 the last two

Step-by-step explanation:

The inequality −6(x − 3) > 42 is given.Part A: Solve the inequality and show every step of your work. (4 points)

Part B: Explain in words how to graph the solution to the inequality on a number line. (4 points)

Part C: Find two values that would make the inequality true. Explain how you know the values are solutions to the inequality. (4 points)

Answers

Answer: Sure, I can help you with that!

Part A: To solve the inequality −6(x − 3) > 42, we first need to distribute the -6 to the expression inside the parentheses:

-6(x - 3) > 42 -6x + 18 > 42

Next, we’ll subtract 18 from both sides:

-6x > 24

Finally, we’ll divide both sides by -6. Since we’re dividing by a negative number, we need to flip the inequality sign:

x < -4

Therefore, the solution to the inequality is x < -4.

Part B: To graph the solution to this inequality on a number line, we’ll start by drawing an open circle at -4 (since x is not equal to -4). Then, we’ll draw an arrow pointing to the left of -4 to indicate that all values less than -4 are solutions to the inequality.

Part C: To find two values that would make the inequality true, we can choose any two values less than -4 and substitute them into the original inequality. For example, if we choose x = -5, then:

-6(-5 - 3) > 42 -6(-8) > 42 48 > 42

Since 48 is greater than 42, this confirms that x = -5 is a solution to the inequality. Similarly, if we choose x = -10, then:

-6(-10 - 3) > 42 -6(-13) > 42 78 > 42

Since 78 is also greater than 42, this confirms that x = -10 is also a solution to the inequality.

I hope this helps!

Where is Bosnia located

Answers

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Simplify this expression: 19 – (–8) – (–14) = ?
A. –7
B. –3
C. 41
D. 25

Answers

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