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3 years ago

What is the domain and range of the set? {(2,2.3),(5,2.3), (7,15)}

Mathematics

1 answer:

aleksandrvk [35]3 years ago

3 0

Answer:

DOMAIN: 2, 5, 7

RANGE: 2.3, 2.3, 15

Step-by-step explanation:

Domain is always the first value of the set, and range is always the second value of the set. Hope it makes sense, and that it helped.

Have a good day! goodluck.

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Which of the following choices is the x intercept of the equation 2y-x=-6

Rashid [163]

Answer:

$x = 6$

Step-by-step explanation:

Given

$2y-x=-6$

Required

Determine the x intercept

To get the value of x intercept; we simply substitute 0 for y;

i.e. y = 0

$2y-x=-6$ becomes

$2(0)-x=-6$

$0-x=-6$

$-x=-6$

Multiply both sides by -1

$-1 * -x=-6 * -1$

$x=-6 * -1$

$x = 6$

<em>Hence, the x intercept is 6</em>

6 0

3 years ago

How do you solve -6(a+8)

algol [13]

Use the distributive property.

This states that: a(b+c)= ab+ac

So,

-6*a= -6a and -6*8= -48

-6a+-48

This is the most you can simplify this problem.

I hope this helps!
~kaikers

4 0

4 years ago

Read 2 more answers

What is $36 plus $36

gogolik [260]

Answer: The answer is 72

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Use the quadratic formula to solve 2x^2=5x+6. Leave your answer in radical form. Show all of your work!

Westkost [7]

Answer:

In radical from 169/50 , 177/200

Step-by-step explanation:

Given:

$2x^2=5x+6\\\\2x^2-5x-6=0\\\\Where, a=2 , b=-5 , c=-6$

Find:

Value of $x$

Computation:

Using quadratic formula:

$\frac{-b\±\sqrt{b^2-4ac} }{2a}\\\\By\ putting\ all\ value\\\\ \frac{-(-5)\±\sqrt{(-5)^2-4(2)(-6)} }{2(2)}\\\\ \frac{5\±\sqrt{25+48} }{4}\\\\ \frac{5\±8.54 }{4}\\\\\frac{5+8.54 }{4},\frac{5-8.54 }{4} \\\\3.38 , 0.885$