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Liono4ka [1.6K]
3 years ago
14

What is the separation method of blood?​

Mathematics
1 answer:
natita [175]3 years ago
7 0

Answer:

Blood separation is one of the crucial processes in a clinical lab and is usually conducted via a process called centrifugation.

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A restaurant sells tea for $1.50 plus $0.05 per refill a gas station store sells tea for $0.50 plus $0.50 per refill?
lutik1710 [3]

Answer:

Part a) y=0.05x+1.50

Part b) y=0.50x+0.50

Part c) The graph in the attached figure

Part d) see the explanation

Step-by-step explanation:

<u><em>The complete question is</em></u>

A restaurant sells tea for $1.50 plus $0.05 per refill. A gas station store sells tea for $0.50 plus $0.50 per refill.

Part a) Write a linear function for the price of tea at restaurant

Part b) Write a linear function for the price of tea at gas station store

Part c) Graph both equations

Part c) Compare the lines in terms of slope and y-intercept

Let

y -----> the price of tea in dollars

x -----> the number of refills

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope or unit rate of the linear equation

b is the y-intercept or initial value (value of y when the value o x is equal to zero)

Part a)

<u><em>At restaurant</em></u>

we have that

The slope or unit rate is equal to

m=\$0.05\ per\ refill

The initial value or y-intercept is equal to

b=\$1.50

substitute

y=0.05x+1.50

Part b)

<u><em>At gas station store</em></u>

we have that

The slope or unit rate is equal to

m=\$0.50\ per\ refill

The initial value or y-intercept is equal to

b=\$0.50

substitute

y=0.50x+0.50

Part c) Graph both equations

we know that

The easiest way to graph a line is with two points

Find the intercepts of the line

<u><em>At restaurant</em></u>

y=0.05x+1.50

The y-intercept is the point (0,1.50)

The x-intercept is the value of x when the value of y is equal to zero

For y=0

0=0.05x+1.50

x=-30

The x-intercept is the point (-30,0)

Plot the points and join to graph the line

see the attached figure

<u><em>At gas station store</em></u>

y=0.50x+0.50

The y-intercept is the point (0,0.50)

The x-intercept is the value of x when the value of y is equal to zero

For y=0

0=0.50x+0.50

x=-1

The x-intercept is the point (-1,0)

Plot the points and join to graph the line

see the attached figure

Part c) Compare the lines in terms of slope and y-intercept

The slope or unit rate at the restaurant is less than the slope at the gas station store

\$0.05\ per\ refill < \$0.50\ per\ refill

The initial value or y-intercept at the restaurant is greater than the initial value at the gas station store

\$1.50 > \$0.50

3 0
3 years ago
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