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3 years ago

What is the answer answer and plz give me step by step explaining

Mathematics

1 answer:

Tamiku [17]3 years ago

3 0

Answer:

x = 5

Step-by-step explanation:

6 + 8(x - 1) = 2(3x + 4)

We evaluate the numbers in the brackets first.

(8 × x = 8x, 8 × 1 = 8, 2 × 3x = 6x, 2 × 4 = 8)

6 + 8x - 8 = 6x + 8

The left hand side of the equation is not exactly simplified, so we will evaluate it further first.

(6 - 8 = -2)

8x - 2 = 6x + 8

Now we can start shifting the x and the numbers separately.

Note that when pushing 6x from the right side to the left side, it needs to change to a negative 6x and vice versa for -2 turning into +2.

8x - 6x = 8 + 2

Further evaluation

2x = 10

Now we can simply find x.

Note that for this, ×2 becomes ÷2 when it shifts from the left side to the right side of the equation.

x = 10 ÷ 2

Evaluate.

x = 5

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Does anyone know this ?

ipn [44]

Answer:

the answer is 196

Step-by-step explanation:

4x+4=60

4x+4-4=60-4

4x=56

56/4=14

14×14=196

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3 years ago

What percent is $4.50 of $6.00?

arsen [322]

Whenever you see the phrase "what percent" in a question, immediately write down x/100. In this instance, you are going to have two fractions, x/100 = $4.50/ $6.00.

Next you cross multiply. $6x = $4.50 x 100
This simplifies down to 6x =450. Divide both sides by 6 and you get 75. This means 4.5 is 75% of 6.

I hope this helps! Good Luck!

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3 years ago

Read 2 more answers

Solve: 3x - 2x + 4 = 5x - 4x - 8 A)3 B)6 C)-3 D)no solution

tensa zangetsu [6.8K]

3x - 2x + 4 = 5x - 4x - 8

First, let's focus on the left side of the problem (3x - 2x + 4). Let's subtract 3x - 2x which will get us 1, and since a variable by itself is considered 1, we can just put the variable.
$1 + 4 = 5x - 4x - 8$

Second, now let's focus on the right side of the problem (5x - 4x - 8). Subtract 5x - 4x to once again get 1. Replace it with the variable and leave the rest.
$x = 4 = x - 8$

Third, we can now cancel out x on each side. This will leave us with 4 = -8, which is false, meaning that there is no solution to this problem.

$\fbox {D) No Solution}$

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3 years ago

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4. On the day Alex was born, his father invested $5000 in an account with a 1.2% annual growth rate.

mihalych1998 [28]

Answer and Step-by-step explanation:

A) A(t) = 5000(1 + 0.012)t

B) A(t) = 106260

A) 5000 is the initial amount, 1 + 0.012 is the interest rate, and t represents the years.

B) When we plug 21 into the equation, we get 106260.

I hope this helps!

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3 years ago

Csc x - sin x = cot x • cos x

bearhunter [10]

1) expand csc and cotx identity

(1/sinx)-sinx = (cosx/sinx)*(cosx)

2) get common denominator on the left side

(1-sin^2x)/(sinx)= (cos^2x)/sinx

3) using cos^2x+sin^2x=1 you finished
cos^2(x)/sinx= cos^2(x)/sinx

hope that helps

3 0

3 years ago