Answer: $49.75
Step-by-step explanation:
$53.50 is with the added 7%.
we want to find what the price is without the 7%
take that $53.50 is 100%
1% - 53.50/100 = 0.535
7% - 0.535 x 7 = 3.745
$53.50 - 3.75 = $49.75
Answer:
70 degrees
Step-by-step explanation:
The sum of the degrees of angels in a triangle is always 180degrees. So now you know F = 20degrees and D is a right angel meaning it is 90 degrees, all you have to do is use 180 - 20 - 90 = 70degrees
Answer:
C. 12
Step-by-step explanation:
We know you have the number 18 and the fraction 2/3. The problem is we want to find out what 2/3 of 18 is. Well, if 18 divided by the denominator of that fraction (3) is 6 than we just add 6 because the question is asking for 2/3 NOT 1/3.
Answer:
The simplified system is the arbitrary solution of the original system of equations.
Y=9
X=6
Step-by-step explanation:
I have used an online Math Algebra problem solver to guide me to my answer and this is 100% sure the correct answer.
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Given:
arithmetic progression
a₁ = 3
a₂ = x
a₃ = y
a₄ = 18
Solution:
The arithmetic progression has general formula to determine nth term
a₁ + d(n - 1) = an
a₁ represents first term, d represents difference, n represents number of terms, an represents nth term
First we should find out the value of d, by submitting a₄ to the formula
a₁ + d(n - 1) = an
a₁ + d(4 - 1) = a₄
3 + d(3) = 18
3 + 3d = 18
3d = 15
d = 5
The difference of the sequence is 5
Second, determine x and y
x = a₂
x = a₁ + d(2 - 1)
x = 3 + 5(1)
x = 8
y = a₃
y = a₁ + d(3 - 1)
y = 3 + 5(2)
y = 13
The value of x is 8, the value of y is 13
