Jabari has read 59.09 percent of the chapters.
What is a percent?
A percentage is a figure or ratios that is stated as a portion of 100 in arithmetic. Although the abbreviations "pct.", "pct.", and frequently "pc" are also employed the percent symbol is most frequently used to indicate it. A percentage is a number without dimensions. It lacks a measuring system. The Latin phrase per centum, which states "hundred" or "by the hundred," is where the word "percent" originates. The Italian phrase percento, which means "for a hundred," gradually sqeezed to become the symbol for "percent." Per became frequently shortened to "p" and finally vanished completely. Two circles and a horizontal line made up the "cento," which is where the present "%" sign is from.
Jabari read 13 chapters out of 22
In percents = 13/22 x 100 percent
= 59.09 percent
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Answer:
if you wash 13 cars, you will earn 13*10= 130 $
your friend will also learn 130 $ but he only need to wash 130/13= 10 cars
SO the number of the car you have to wash is 13 cars
Step-by-step explanation:
Answer: 163/27
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
3x + -1/9 = 18
Step 2: Add 1/9 to both sides.
3x + -1/9 + 1/9 + = 18 + 1/9
3x = 163/9
Step 3: Divide both sides by 3.
3x/3 = 163/9 over 3
x = 163/27
If you know that -2 is a zero of f(x) = x^3 + 7x^2 + 4x - 12, explain how to solve the equation.
First you have to figure out what could make f(x) = 0 to get rid of the cube. I'm going to test the array of data, x = -2, x = -3, and x = -4 because this type of equation probably has more negative values given that if you plug in some values the cubed-values and squared-values will surpass the "-12". Plug this into a calculator.
x^3 + 7x^2 + 4x - 12
f(-2) = -8 + 28 - 8 - 12 = 0
So you know that when x = -2, f(x) = 0. Divide "(x + 2)" from the equation and you will get... x^2 + 5x - 6. Now this is a simple polynomial one that you can figure to be (x + 6) (x - 1) just by looking at it because -6 multiplied by 1 is negative 6 and you see 5 and know that 6 - 1 = 5.
The solution is (x + 6) (x - 1) (x + 2) meaning that when x = -6, 1, or -2, f(x) is 0.
Answer:
11
Step-by-step explanation:
4d=44
4d/4=44/4
d=11
the cost is 11$ per dress
