Let length=x, witdth=x-9
Perimeter=130
2 length+2 width=130
2x+2(x-9)=130
2x+2x-18=130
4x=130+18
4x=148
X=37 cm
Length=37cm; width=37-9=28cm
Hope this can help.
Answer:
I believe your answer is C 94.79
If this answer is wrong please let me know my apologies
Step-by-step explanation:
If my math is correct
44.50+44.50=89
89
Now, find the tax value by multiplying tax rate by the before tax price:
tax = 85 × 0.065
tax = 5.53 (tax value rounded to 2 decimals)
Add tax to the before tax price to get the final price:
The final price including tax = 85 + 5.53 = 90.53
90.53 plus the shipping 3.89=94.79
<u>ANSWER</u>
The common ratio is -3.
<u>EXPLANATION</u>
In general, the common ratio of a Geometric Sequence is given by:
We can find the common ratio using any two consecutive terms of the geometric sequence by dividing the subsequent term by the previous term.
The given sequence is -2,6,-18,54
Using the first two terms the common ratio is
We could also used the second and third terms to get
and so on and so forth.
Therefore the common ratio is -3.
Answer:
x=3 y=4
Step-by-step explanation:
x+y=7; x + 2y =11
step: solve x + y = 7 for x:
x + y+ -y =7 + -y (add -y to both sides)
x = -y + 7
step: substitute -y + 7 for x in x + 2y =11:
x + 2y = 11
-y + 7 + 2y = 11
y + 7 =11(simplify both sides of the equation)
y + 7 + -7 = 11 + -7 (add -7 to both sides)
y = 4
step: substitute 4 for y in x = -y + 7:
x = -y +7
x = -4 + 7
x = 3 (simplify both sides of the equation)
Answer: I think the answer is 22.5
Step-by-step explanation:
32 + 13 = 45
45/2 = 22.5
First you would add the two sums together then depending on how many you are adding ( like 2 because there are 2 numbers there) you would divide by that number.
