3 years ago

Which relationship is a function?

2 answers:

3 0

The first graph with the month in numbers because the X value which is the month never appears again while the other appears again or attached to-other y value

sladkih [1.3K]3 years ago

3 0

Answer:

the month-number one

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A certain drink is made by adding 4 parts water to 2.5 part drink mix. What percent of the mixture is water? Omit % sign in your

Maru [420]

The mixture contains 61.5% of water.

<u>Step-by-step explanation:</u>

Total parts = 4+ 2.5 = 6.5

Parts of water =4

parts of drink = 2.5

Percent of water in the mixture = 4 × 100/ 6.5

= 400/6.5

= 61.53%

It is rounded to the nearest tenth as 61.5%.

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3 years ago

What is 712 divided by 8

sergeinik [125]

712 divided by 8 is 89

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It cost Joseph $20.10 to send 134 text messages. How much does it cost to send one text message? Show your work.

Licemer1 [7]

$20.10/134
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3 years ago

Evaluate the expression. 2x – 19, when x = –11 3 –41 –3 41

kakasveta [241]

Substitute (-11) in for x. You will get 2(-11)-19. Then, use the order of operations to get -22-19=
-41.
Hope that helps!

3 0

3 years ago

The elevation E, in meters, above sea level at which the boiling point of a certain liquid is t degrees Celsius is given by the

Anna007 [38]

Answer:

$E(119.5)= 730m$

Step-by-step explanation:

Given

$E(t)= 1200(120-t)+520(120-t)^2$

Required

Determine E(119.5)

$E(t)= 1200(120-t)+520(120-t)^2$

Simply substitute 119.5 for t

$E(119.5)= 1200(120-119.5)+520(120-119.5)^2$

Evaluate the expressions in bracket

$E(119.5)= 1200(0.5)+520(0.5)^2$

Solve 0.5²

$E(119.5)= 1200 * 0.5+520*0.25$

$E(119.5)= 600+130$

$E(119.5)= 730$

Hence;

$E(119.5)= 730m$

5 0

3 years ago