Answer:
Step-by-step explanation:
Given
Required
Write an expression for the selling price for b birdbaths
This selling price for 1 birdbath is calculated as:
Substitute 12 for Cost Price
Factorize:
Express percentage as decimal
For b birdbaths, the selling price is:
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Answer:
The brother sold 33 subscriptions
The sister sold 19 subscriptions
Step-by-step explanation:
Let's represent the number is subscription as:
For the brother = a
For the sister = b
a + b =52
The sister sold 5 fewer than twice the number of her brother sold .
a= 2b - 5
Hence, substitute 2b - 5 for a I. The above equation.
a + b =52
2b - 5 + b = 52
3b = 52 + 5
3b = 57
b = 57/3
b = 19
a + b = 52
a + 19 = 52
a = 52 - 19
a = 33
Therefore,
the brother sold 33 subscriptions
the sister sold 19 subscriptions
Hi there friend, I hope this helps explain a little better. Let me know if you have questions.
In our (positional) numerical system, the first digit form the right represents the units, and going leftwards, every digit is worth 10 times more than its previous one.
So, in your number, the 9 to the right means "9 units", because it's the rightmost digit.
On the other hand, the leftmost 9 is worth 9 millions, because you shift 6 positions from the right, and the digits are worth:
- 1st digit from the right: units
- 2nd digit from the right: tens
- 3rd digit from the right: hundreds
- 4th digit from the right: thousands
- 5th digit from the right: tens of thousands
- 6th digit from the right: hundreds of thousands
- 7th digit from the right: millions
Answer:
f (x)=11
Step-by-step explanation:
f (x)= x + 8
f (3)= (3 +8)
=f(x) =11
**replace the x with a variable which is 3
