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Ludmilka [50]
2 years ago
8

The price was

Mathematics
1 answer:
ryzh [129]2 years ago
8 0

Answer: $165

Step-by-step explanation: Divide the new price by 1, + the percent of increase. 198 / 1.20 = 165

<u><em>MARK AS BRAINLIEST PLEASE! ;D</em></u>

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find rodrigos percent increase or decrease in sales each week. week 1, is 17 wwek 2, is 25 week 3, is 18 and week 4, is 27. his
sveticcg [70]
<span>Answer: The multiplication factor of increase should be inverse of the multiplication factor of decrease.

    e.g. Say you have a number 100. You increase it by 25%. The multiplication factor is 5/4 i.e. when you multiply 100 by 5/4, you get 100*5/4 = 125. This is 25% more than 100. Now you want to decrease it by a certain % such that you get 100 back. Basically, 100*5/4 * x = 100 So x = 4/5 (inverse of 5/4) Hence, you decrease by 20% (the multiplication factor of 20% is 4/5) or Use this formula: cumulative % change = a + b + ab/100 You want the cumulative change to be 0. a + b + ab/100 = 0 If you know that you are increasing by 25% and want to find the % by which you should decrease to get the same number, 25 + b + 25b/100 = 0 5b/4 = -25 b = -20 So you need to decrease (hence you get the -ve sign) by 20%.</span>
3 0
3 years ago
PLZZ HELP ME WILL GIVE BRAINLIEST ( write in exponential form) 26*26^8
Lisa [10]

Answer:

26 * 26^8 = 26^9

Step-by-step explanation:

Here, we want to write 26 * 26^8 in exponential form.

26* 26^8 is same as 26^1 * 26^8

According to the first law of indices, we are going to add the powers together;

Thus, this gives ; 26^(1 + 8) = 26^9

5 0
3 years ago
Write TRUE if the underlined word in the statement is correct.If not , change the underlined word to make it correct.
kobusy [5.1K]

Change the underlined words if it is not correct and write true if it is correct.

<h3>Integers</h3>

<u>1.</u><u> </u><u>P</u><u>ositive</u> integers are not whole numbers.

Negative integers are not whole numbers.

2. All whole numbers are <u>integers</u>.

True

3. <u>Zero</u> is the smallest whole number.

True

4. Any whole number greater than <u>zero</u> is a positive integers.

True

5. Fractions and Decimals are not integer.

6. 1 is a counting number and a positive integers.

True

7. Rational number include all integers , fraction, or terminating decimals.

True

8. Any whole number that is <u>greater</u> than 0 is a negative integers.

  • Any whole number that is <u>less</u> than 0 is a negative integers.

Learn more about integers:

brainly.com/question/10853762

7 0
3 years ago
According to Greek mathematician Zeno, if each bounce of a ball is half the height of the bounce before it,the ball will never s
vovikov84 [41]
From the diagram associated with this question it can be seen that the first bounce was 1 units high, thus the second bounce is 1 / 2 = 0.5 units high and the third bounce is 0.5 / 2 = 0.25 = 1/4 units high.

Given that B represents the second bounce and C represents the first bounce, the <span>fractions in hundredths that should be written at points B is 0.50 while at point C is 0.25</span>
8 0
3 years ago
WILL MARK BRAINLIEST FEELING LAZY WORTH 15 POINTS
Zinaida [17]

The irrational numbers are: √8, √10 and √15

Step-by-step explanation:

A rational number is a number that can be written in the form p/q where p&q are integers and q≠0.

"All the numbers whose square root is not a whole number and has an infinite number of digits after decimal, are irrational numbers"

So in the given options

\sqrt{4} = 2

Which can be written in the required form so √4 is a rational number

\sqrt{8}=2.828427124746190097603.....

√8 has an infinite expansion hence it cannot be written in the p/q form, so it is an irrational number

\sqrt{10}=3.16227766016837933....

√10 has an infinite expansion hence it cannot be written in the p/q form, so it is an irrational number

\sqrt{15}=3.87298334620.....

√15 has an infinite expansion hence it cannot be written in the p/q form, so it is an irrational number

\sqrt{36} = 6

Which can be written in the required form so √36 is a rational number

Hence,

The irrational numbers are: √8, √10 and √15

Keywords: Rational numbers, Irrational numbers

Learn more about rational numbers at:

  • brainly.com/question/3375830
  • brainly.com/question/3398261

#LearnwithBrainly

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3 years ago
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