MATHEMATICS HIGH SCHOOL

suppose that when the price is $10, a deli is willing to sell 200 sandwiches. if the price falls to $8, how many sandwiches would the deli be willing to sell

Answers

Answer 1
Answer:

Answer:

Step-by-step explanation:

we'll cross-multiply

(200)(8) = 100x

1600/10 = x

160 = x

He will want to sell 160 sandwiches for $8

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Y = –5x + 30x = 10
What is the solution to the system of equations?

(–20, 10)
(10, –20)
(10, 4)
(4, 10

Answers

Answer:

The correct option is 2.

Step-by-step explanation:

The given system of equations is

y=-5x+30                   .... (1)

x=10                           ..... (2)

Substitute the value of x from equation (2), in equation (1).

y=-5(10)+30

On simplification, we get

y=-50+30

y=-20

The value of xis 10 and the value of y is -20. So, the solution of the given system of equation is (10,-20).

Therefore the correct option is 2.
The second statement is correct.

Is the line liner?
someone help i need this to pass

Answers

Answer:

yes

Step-by-step explanation:

A jar contains 3 red marbles,7 blue, and 2 green.You take one marble without replacing it, and then another.What is the probability that you draw a green and a blue?

Answers

Answer:9/12

Step-by-step explanation:
Like the other person said, it would be 9/12 because there are 12 total marbles (3 red, 7 blue, 2 green) and the blue marble amount plus the green marble amount would be 9, so it would be a 9/12 chance!

Which equation describes a line perpendicular to y=8x-9 that passes through the point (9,-9)?f. y=8x-81
G.y=-1/8x-63/8
h.8x-9
J.y=1/8X+585/8

Answers

The answer is G. Perpendicular lines have opposite reciprocal slopes

What's the equation of a line that passes through (-4,-7) and (4,-1)

Answers

Answer:

y= 3/4x-4

Step-by-step explanation:

y=mx+b to find the equation

If you are paid $23.25 per hour, what is your annual salary? (Assume you work 40 hours each week of the year.)

Answers

$23.25 per hour
work 40 hours per week
Find your annual Salary
In a month, there are approximately 4 or 5 weeks  (only refer to regular working days)
Let’s only use 4.
=> 40 x 4
=>160 hours in 1 month
In a years there are 12months
=> 12 x 4
=> 48 weeks in a years (only for regular working days) or let’s round it to 50 weeks per year
Now, let’s multiply 48 weeks by 40 hours and 50 by 40 hours
=> 48 x 40
=> 1920 hours in a year
=> 50 x 40
=> 2000 hours
Now, let’s  find how much is your annual salary
=> 1920 x 23.25 = $44 640
=> 2000 x 23.25 =$46500
=>approximate  or around





Answer:GET YALL POINTS

Step-by-step explanation:
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