3 years ago

Does the mapping diagram represent a function? Why or why not? х y -6 10 2

Mathematics

1 answer:

uranmaximum [27]3 years ago

7 0

Answer:

use mathwy

Step-by-step explanation:

its better for a. expansion

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Leona [35]

Answer:

1/4

Step-by-step explanation:

There are four probabilities and the probability of her having 1 of the 4 probabilities is 1/4

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Alex

The only integer is 5

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The perimeter of the triangle shown is 30 inches. What is the length of the longest side of the triangle

Simora [160]

Answer:

The length of the longest side of the triangle is 13 inches

Step-by-step explanation:

step 1

Find the value of x

we know that

The perimeter of triangle is equal to the sum of its three length sides

$P=x+(2x+3)+(4x-8)$

$P=(7x-5) \ in$

we have

$P=30\ in$

substitute

$30=(7x-5)$

solve for x

$7x=30+5\\7x=35\\x=5$

step 2

Find the length of the longest side of the triangle

Remember that in a right triangle, the longest side is the hypotenuse

(2x+3) is the longest side

substitute the value of x

$2(5)+3=13\ in$

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3 years ago

If f(x)= 20-3x, then find a if f(a)= -11.

Basile [38]

Answer:

Step-by-step explanation:

if f(a)= -11 the the equation is: 20-3(-11)

First, multiply -3 and -11:

20-3×(-11)

20+33

Now, add:

20+33= <u>53</u>

<u></u>

Hope this helps!! <3

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3 years ago