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Otrada [13]
3 years ago
15

How many solutions does the equation −5a + 5a + 9 = 8 have?

Mathematics
2 answers:
lord [1]3 years ago
5 0
Hello,

Answer A: None
0a+9=8
==>9=8 equation impossible 0 solution

wariber [46]3 years ago
5 0

Answer:

Option A is correct

None

Step-by-step explanation:

Like terms are those terms which have same variable to the same power.

Given the equation:

-5a+5a+9=8

Combine Like terms;

0+9 = 8

⇒9 = 8      False.

This statement is false for any values of x

therefore, the given equation does not have any solution.

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3 years ago
Word Problems : Subtract 18 rupees 9 paise from 75 rupees 80 paise<br><br>Write In Step by Step ​
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Subtract the following:

A) 18 rupees 9 paise from 75 rupees 80 paise.

B) 49 rupees 79 paise from 123 rupees 68 paise.

Answer

VerifiedVerified

139.5k+ views

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Hint: Use decimal concept.

We know that, 1 rupee = 100 paise. We can reframe these questions as follows:

18 rupees 9 paise from 75 rupees 80 paise

18 rupees 9 paise can be represented as 18.09 rupees and 75 rupees 80 paise can be represented as 75.80 rupees. Now, on subtracting we’ll get,

75.80−18.09−−−−−− 57.71

Which means 57 rupees 71 paise

49 rupees 79 paise from 123 rupees 68 paise

49 rupees 79 paise can be represented as 49.79 rupees and 123 rupees 68 paise can be represented as 123.68 rupees. Now, on subtracting we’ll get,

123.68 −49.79−−−−−− 73.89

Which means 73 rupees 89 paise.

Note: We can also perform the subtraction by making all units the same that are paise and then subtract.

5 0
3 years ago
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Doug dives from a platform that is 7.5 meters above water. His dive takes him 2.1 meters below the surface of the water. How far
kow [346]
Not so sure.. but I got 9.6 meters below water level.
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3 years ago
16. The price of an item will increase by RM4 every month. If the current price
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Help!! Question on probability. Wi give brainliest!!
Aleks [24]

Answer:

P = \frac{5}{282} = 0.0177

Step-by-step explanation:

First we need to find the total amount of apples in the crate:

Total = 10 + 14 + 4 + 18 = 46 apples

The probability of the first apple being a golden delicious apple is the number of those apples over the total number of apples:

P(golden) =   \frac{N(golden)}{N(total)}

P(golden) = \frac{4}{48} = \frac{1}{12}

Then, the probability of the second apple being a granny Smith apple is the number of those apples over the total number of apples, but now the total number of apples is one less, because one apple was removed from the crate:

P(granny) = \frac{N(granny)}{N(total)-1}

P(granny) = \frac{10}{47}

The final probability we want is the product of those two probabilities:

P = P(golden) * P(granny) = \frac{1}{12} \frac{10}{47} = \frac{10}{564} = \frac{5}{282}= 0.0177

7 0
3 years ago
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