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3 years ago

11

Really stuck on this question, could someone lend me a hand?

1 answer:

VMariaS [17]3 years ago

3 0

We have the conditions
<span>The doctor cannot perform more than seven follow-ups per day.
</span>y ≤ 7

<span>The hospital has eight hours available for appointments.
</span>x + 0.5 y ≤ 8

And the hospital earns a total amount of z
120x + 70x = z

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A stack of 5 books welghs 9.5 pounds. If each book weighs the same amount, how much does each book weigh?

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3 years ago

Figure out the question

valentina_108 [34]

Answer part A:

-6°F

Answer part B:

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2 years ago

a roller skating rink offers a special rate for birthday parties. On the samr day, a party for 10 skaters cost $107 and a party

olga nikolaevna [1]

Answer:

$119

Step-by-step explanation:

Let

x -----> the number of skaters

y -----> the cost for birthday parties

we have the points

(10,107) and (15,137)

step 1

Find the slope of the linear equation

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the values

$m=\frac{137-107}{15-10}$

$m=\frac{30}{5}=6\ \frac{\$}{skater}$

step 2

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=6\\point\ (10,107)$

substitute

$y-107=6(x-10)$

step 3

Convert to slope intercept form

$y-107=6x-60$

$y=6x-60+107$

$y=6x+47$

step 4

How much would a party for 12 skaters cost?

For x=12 skaters

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3 years ago

Evaluate 2z + xy when x = 4, y =6, and z =3 A.24 B.144 C.30 D.76

musickatia [10]

Answer:

C

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2z + xy

Put z as 3, x as 4, and y as 6.

2(3) + (4)(6)

Multiply the terms.

6 + 24

Add both terms.

= 30

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3 years ago

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