1 : 1.71 : 2.43
Step-by-step explanation:
What divided by 7= 1?
7/7 = 1
So use that answer for the other two dolls.
12/7 = 1.71
17/7 = 2.43
1 : 1.71 : 2.43
Have the same ratio as
7 : 12 : 17
Part a
For horizontal 8*50% = 4 and for vertical 12*75%= 9.
So these values are less than the originals so the new frame is a reduction.
Part b
For horizontal 8*125% = 8*1.25 = 10 and for vertical 12*140% = 12*1.4 =16.8
So these values are greater than the originals sothe new frame is a enlargement.
Answer:
The number of flower pots that were sold is 50
Step-by-step explanation:
Let x represent the number of flower pots that the store owner bought and sold.
A store owner bought some flower pots for $1,200. Therefore, the cost price for each flower pot would be
1200/x
The flower pots were sold for $2,700, with a profit of $30 per pot. The means that the selling price of each flower pot would be
2700/x
Profit = selling price - cost price
Therefore
2700/x - 1200/x = 30
Multiplying both sides of the equation by x, it becomes
2700 - 1200 = 30x
30x = 1500
x = 1500/30 = 50
2x+8+6=22
2x+14-14=22-14
2x = 8
2x/2 = 8/2
x = 4
Check your work
2(4+4)+6=22
2(8)+6=22
16+6=22
22=22
Answer
b) A(10) = 15 + 9(-2)
<u>Explanation</u>
15, 13, 11, 9, ... This is an arithmetic sequence.
The common difference = 13 - 15 = -2
or = 9 - 11 = -2
The first term of the sequence = 15.
The nth term of an arithmetic sequence is given by:
Tn = a + (n - 1)d
∴ T₁₀ = 15 + (10 - 1)(-2)
= 15 + (9 × -2) ⇒ This is the expression you need.
= 15 + -18
= -3
