What is 8 2/7 - 7 1/3
Answers
58/7 - 22/3
20/21 Fraction form
20/21= 0.95 ( decimal )
I hope that's help and have a great night
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PLEASE HELP!!!if x varies directly with y, and x=9 when y =6, find x when y = 15 explain
Answers
Answer:
RCD = 35°
Step-by-step explanation:
Analyzing the figure you can observe the following: Both triangles have two equal sides (the CD line and the sides of 11), as well as an equal angle (that of 90°).
When this happens, two equal sides + 1 equal angle it means that the triangles are similar, that is, the measures of their angles are the same.
The angle PCD and RCD are opposite to sides that measure the same (11), so the angle RCD is equal to the angle PCD: 35°
Answer: 35° is the answer
G. x + y = 25
H. x^2 + y = 25
J. x^2 + y^2 = 5
K. x^2 + y^2 = 25
Answers
That distance is √(3² + 4²) = √(9 + 16) = √25 = 5 .
The equation of a circle centered at the origin is
x² + y² = (radius)²
So this circle is [ x² + y² = 25 ]
That's Choice-'K'.
Answers
The answer= -13
Answers
Final answer:
Emily's unit rate in miles per hour can be found by using the expression 9 ÷ (3/4) or 9 x (4/3). When calculated, we find that Emily is biking at a rate of 12 miles per hour.
Explanation:
To find Emily's unit rate in miles per hour, we need to divide the total miles she biked by the time it took her in hours. In Emily's case, she biked 9 miles in 3/4 hours. So the expression she can use to find her unit rate in miles per hour is 9 ÷ (3/4). Dividing 9 by 3/4 is the same as multiplying 9 by the reciprocal of 3/4, which is 4/3. So, the expression can also be written as 9 x (4/3). If we calculate that, we get 12. So, Emily biked at a rate of 12 miles per hour.
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Answer:
Hello there!
Divide 9 by 3 to get 3.
Then use that to multiply 3 by 4 to get 12.
Step-by-step explanation:
Answers
to do that, we do
the number in front of the x^2 is 1
then take 1/2 of the number in front of the x term and square it and that is the constant term
12/2=6 6^2=36
36=c
x^2+12x+36=0
(x+6)^2=0
x+6=0
x=-6
Final answer:
In the quadratic equation x² + 12x + c = 0, for the equation to have exactly one solution, the discriminant should be zero. Substituting the given values into the discriminant (b² - 4ac = 0) and solving for 'c', we find that when c = 36, the equation will have exactly one solution.
Explanation:
The equation x² + 12x + c = 0 is a quadratic equation, and usually a quadratic equation has two solutions. The formula for finding the solutions is given by -b ± √(b² - 4ac) / 2a. In this equation, 'a' is 1, and 'b' is 12.
For the equation to have exactly one solution, the term under the square root in the quadratic formula, called the discriminant (b² - 4ac), must be zero because the square root of zero is zero. This results in -b ± 0, effectively leading to a single solution.
So, in order to have only one solution: b² - 4ac = 0. Substituting the given values we get: (12)² - 4(1)c = 0 i.e., 144 - 4c = 0. Solving for c, we get c = 36. Therefore, for c = 36, the equation x² + 12x + c = 0 has exactly one solution.
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Answers
Answer:
For plato users is tan(-x)
Step-by-step explanation:
The previous answer is correct but you have to follow the formula they are giving you
So intead of -tan(x) you write tan(-x) just like in the formula