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ale4655 [162]
3 years ago
10

Jill incorrectly subtracted the two mixed numbers to find how much more blue fabric than purple fabric she should buy. Her work

is shown below.
4 1 third - 3 2 third = 12 thirds - 9 thirds


Why is Jill's work incorrect?
Mathematics
1 answer:
Pavlova-9 [17]3 years ago
6 0
41-32=9
12-9=3

9 is not equal to 3
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b) In a exam, Biraj got 350 marks and failed by 20 marks lf the percentageof pass marks is 40%, what is the full marks​
gogolik [260]

Answer:

925 marks.

Step-by-step explanation:

AS Biraj had 20 less marks then the  40% pass mark must be 350+20 = 370.

370  is equivalent to 40%

So 100% = 100*370 / 40

= 925 marks.

6 0
3 years ago
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Simplify 6 to the negative 3rd power over 6 to the 5th. 68 6−2 1 over 6 to the 8th power 1 over 6 to the 2nd power
olchik [2.2K]

Answer:

\dfrac{1}{6^8}

Step-by-step explanation:

\dfrac{6^{-3}}{6^5}=\dfrac{1}{6^{5+3}}=\dfrac{1}{6^8}

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The applicable rules of exponents are ...

a^{-b}=\dfrac{1}{a^b}\\\\a^b\times a^c=a^{b+c}

4 0
3 years ago
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Mr. Grant spent $8.40 to place an ad in the newspaper. This price included a one-time fee of $6.00 plus $0.08 per word. Which me
kondaur [170]

Answer:

He used 30 words

Step-by-step explanation:

(8.40 - 6.00) divided by 0.08 = the number of words

7 0
3 years ago
Consider a $2 principal investment with a 10% annual simple interest rate. Enter the simple interest equation that represents th
PtichkaEL [24]

The simple interest equation that represent the situation is A = t/5

<h3>What is simple interest?</h3>

Simple Interest (S.I.) is the method of calculating the interest amount for a particular principal amount of money at some rate of interest. For example, when a person takes a loan of 500 dollars, at a rate of 10 per annum for two years, the person's interest for two years will be S.I. on the borrowed money.

Principal(P) borrowed =  $2

Rate(R) in percentage = 10

time in years = t

Simple interest(A) = P X R X t / 100

A = 2 X 10 X t/ 100

After reducing 20/100 to the lowest term

A = t/5

In conclusion the simple interest(A) = t/5

Learn more about simple interest: brainly.com/question/20690803

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5 0
1 year ago
If Justine earns £10920 in year, how much does she earn each month?
Sholpan [36]

Answer:

910.

Step-by-step explanation:

you take your year earning then divide it by twelve months to give you ur answers. 10920÷12=910

7 0
3 years ago
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