FIND THE VALUE OF X PLEASE HELP PLEASE AND THANK U

Mathematics

1 answer:

Luba_88 [7]3 years ago

8 0

Answer:

105°

Step-by-step explanation:

From the picture, C is the center of the circle.

The chord that passes the center is called a diameter.

Angle x is a central angle which corresponds to the arc of it. So therefore the measure of the arc would be the same as the measure of that corresponding central angle and vice versa.

So if m arc BF = 105°, then x° = 105°

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Answer:

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Step-by-step explanation:

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2 years ago

Given f(x) = | – 5 – 4x| ,find the following:

jasenka [17]

Answer:

$f(10) = 35 \\ \\ f( - 11) = 39 \\ \\ f(12) = 53 \\ \\ f(2) = 13$

Step-by-step explanation:

$f(x) = | - 5 - 4x|$

To solve for the following substitute the value of x in the brackets into the above formula and solve for the value of x

NB:  Absolute value of a negative number is the same number but positive.

So we have

$f( - 10) = | - 5 - 4( - 10)| \\ = | - 5 + 40| = 35 \\ \\ f( - 11) = | - 5 - 4( - 11)| \\ = | - 5 + 44| = 39 \\ \\ f(12) = | - 5 - 4(12)| \\ = | - 5 - 48| \\ = | - 53| = 53 \\ \\ f(2) = | - 5 - 4(2)| \\ = | - 5 - 8| = | - 13| \\ = 13$