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Gemiola [76]
3 years ago
15

What are the solutions of the quadratic equation 49x^2 = 9? TIMED!!!!!!!!

Mathematics
1 answer:
Stells [14]3 years ago
6 0
(7x + 3)(7x - 3)
7x + 3 = 0
7x = -3
x = -3/7


7x - 3 = 0
7x = 3
x = 3/7

x = 3/7 and x = -3/7
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expeople1 [14]
I’m not sure that question.... sorry
5 0
3 years ago
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Tom spent 153 minutes completing a race. He walked 63 minutes and jogged the rest. What is the ratio of time he jogged to time h
ra1l [238]
Subtract 153-63=90 and I am pretty sure that's what you have to do
5 0
3 years ago
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One serving of muffins takes 2/3 cup of muffin mix. how many cups of muffin mix would it take to make 12 servings of muffins
Leno4ka [110]

1 serving = 2/3 cup

12 serving = 2/3 x 12 = 8 cups

Answer: 12 servings of muffin would need <u>8 cups</u> of the muffin mix.

8 0
3 years ago
A candle is in the shape of a square pyramid. Its height is 5 cm and its slant height is 8 cm.
raketka [301]

Answer:

it is 5.9 A

Step-by-step explanation:

7 0
3 years ago
Which statement best describes how to determine whether f(x) = 9 – 4x2 is an odd function?
Elza [17]

For this case we have the following definitions:


A function is even if, for each x in the domain of f, f (- x) = f (x). The even functions have reflective symmetry through the y-axis.


A function is odd if, for each x in the domain of f, f (- x) = - f (x). The odd functions have rotational symmetry of 180º with respect to the origin.


We then have the following function:

f (x) = 9 - 4x ^ 2


Applying the definitions we have:

f (-x) = 9 - 4 (-x) ^ 2\\f (-x) = 9 - 4 (x) ^ 2\\f (-x) = f (x)


Answer:

The function is not odd because it is fulfilled:

f (-x) = f (x)

Therefore, the function is even.

5 0
3 years ago
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