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3 years ago

What is 15% added to $185.30

Mathematics

1 answer:

Ilia_Sergeevich [38]3 years ago

5 0

Answer:

$213.095

Step-by-step explanation:

15% of 185.30 = 185.30/100*15 = 27.795

So to find what is 15% added to 185.50, we use 185.30 + 27.795 = $213.095

Hope this help :3

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I need help with this math question

ICE Princess25 [194]

Answer:

B. 5

Step-by-step explanation:

Step 1: Rewrite the equation a bit

$\frac{7^\frac{3}{4}}{7^\frac{x}{8}}=\sqrt[8]{7}\\7^\frac{3}{4}^-^\frac{x}{8}=7^\frac{1}{8}$

Step 2: Place a logarithm base 7 on both sides

$7^\frac{3}{4}^-^\frac{x}{8}=7^\frac{1}{8}\\log_77^\frac{3}{4}^-^\frac{x}{8}=log_77^\frac{1}{8}\\(\frac{3}{4}-\frac{x}{8})log_77=\frac{1}{8}log_77\\(\frac{3}{4}-\frac{x}{8})1=\frac{1}{8}1\\\frac{3}{4}-\frac{x}{8}=\frac{1}{8}$

Step 3: Solve for x

$\frac{3}{4}-\frac{x}{8}=\frac{1}{8}\\\frac{6}{8}-\frac{x}{8}=\frac{1}{8}\\-\frac{x}{8}=-\frac{5}{8}\\\frac{x}{8}=\frac{5}{8}\\x=5$

Neat exponent question :)

7 0

2 years ago

How do I solve -5x+2y=6

Olegator [25]

Answer: x = (2 y)/5 - 6/5 , y = (5 x)/2 + 3

Solve for x:
2 y - 5 x = 6
Subtract 2 y from both sides:
-5 x = 6 - 2 y
Divide both sides by -5:
Answer: x = (2 y)/5 - 6/5
Solve for y:
2 y - 5 x = 6
Add 5 x to both sides:
2 y = 5 x + 6
Divide both sides by 2:
Answer: y = (5 x)/2 + 3

4 0

3 years ago

On Saturday morning, Owen earned $23. By the end of the afternoon he had earned a total of $58. Enter an equation, using x as yo

Yuki888 [10]

Answer:

$23+x=$58

$23+$35=$58

8 0

4 years ago

Please help me solve these, I tried solving them but I got confused with the signs,

AlekseyPX

Answer:

a) x= -5

b) x= 3

c) x= -5

3 0

3 years ago

Question 1

Flauer [41]

Answer:

<em>Correct choice: b. $1221.00</em>

Step-by-step explanation:

<u>Compound Interest</u>

It occurs when the interest is reinvested on each compounding period. When it happens interest in the next period is then earned on the principal sum plus previously accumulated interest.

The formula is:

$A=P\left(1+{\frac {r}{n}}\right)^{nt}$

Where:

A = final amount

P = initial principal balance

r = interest rate

n = number of times interest applied per time period

t = number of time periods elapsed

The initial deposit on a savings account is P = $1000. The account provides an annual rate of r = 4% = 0.04 compounded monthly. The value of n is 12 since there are 12 months in a year. The money is left in the account for t=5 years. Substituting the values:

$A=\$1000\left(1+{\frac {0.04}{12}}\right)^{12*5}$

$A=\$1000\left(1.00333}\right)^{60}$

A = $1221

Correct choice: b. $1221.00

5 0

3 years ago