3 years ago

What are the values of a, b, and c in the quadratic equation 0 = 5x – 4x4 – 2?

Mathematics

1 answer:

Aleonysh [2.5K]3 years ago

6 0

Answer:3

Step-by-step explanation:

Hope it helps (｡・//ε//・｡)

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Which of the following is not a perfect square a:50 b:49 c:121 d:1

Lostsunrise [7]

50 is not a perfect square because it does not have a perfect square root where as 49 is 7, 121 is 11, and 1 is 1

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3 years ago

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Triangle A B C is shown. Angle B C A is a right angle. The length of hypotenuse B A is 9.8 inches, the length of C B is 6.3 inch

german

Answer:

$\angle B=\cos^{-1}\left(\dfrac{6.3}{9.8}\right)\\ \\\angle B=\sin^{-1}\left(\dfrac{7.5}{9.8}\right)$

Step-by-step explanation:

Consider right triangle ABC with right angle C.

In this triangle,

BA = 9.8 in
CB = 6.3 in
CA = 7.5 in

Write trigonometric functions:

$\cos \angle B=\dfrac{BC}{AB}=\dfrac{6.3}{9.8}\\ \\\sin \angle B=\dfrac{AC}{AB}=\dfrac{7.5}{9.8}$

Hence,

$\angle B=\cos^{-1}\left(\dfrac{6.3}{9.8}\right)\\ \\\angle B=\sin^{-1}\left(\dfrac{7.5}{9.8}\right)$

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3 years ago

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Mary is five times older than Julian. If the<br> sum of their ages is 42, how old is Mary?

Tanya [424]

Answer:

Step-by-step explanation:

M=5J

J=M/5

42=6J

42/6=7

Jullian is 7

7x5=35

Mary is 35

35+7=42

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if the sum of 4 and a number is divided by that number, the result is the quotient of the number and find all such numbers

forsale [732]

4+X/X=X
4+X=X*X
when the answer fits the equation, the answer is correct
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The systolic blood pressure (given in millimeters) of males has an approximately normal distribution with mean μ = 122 and stand

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Answer:

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Step-by-step explanation:

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