I need help very fast please!

Mathematics

2 answers:

lyudmila [28]3 years ago

8 0

The secong one...........:)

cestrela7 [59]3 years ago

3 0

The second answer, hope this helps

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Which of the following sets of ordered pairs is not a function

aivan3 [116]

Answer:

((-1, 2), (1, 3), (1, 5), (-3, 4))

Step-by-step explanation:

For a set of ordered pairs to be considered a function, a domain value should have exactly just 1 range value.

If a domain value is having more than 1 range value assigned to it, it is not a function. In order words, an x variable value should have exactly just one y variable value assigned to it.

x variables are domain values while y variables are the range values.

In the ordered pairs, ((-1, 2), (1, 3), (1, 5), (-3, 4)), the two pairs, (1, 3), (1, 5), have the same x variable value with different y-variable values assigned to each. This renders the set of ordered pairs not to be a function. Domain value 1, is having different range value of 3 and 5.

6 0

3 years ago

Tangent wz and secant WV intersect at point W. Find the length of YV If necessary, round to the hundredths place.

Mila [183]

Answer:

Option B. $YV=5\ units$

Step-by-step explanation:

we know that

The <u>Intersecting Secant-Tangent Theorem,</u> states that If a tangent segment and a secant segment are drawn to a circle from an exterior point, then the square of the measure of the tangent segment is equal to the product of the measures of the secant segment and its external secant segment

In this problem

$WZ^{2}=WV*WY$