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GenaCL600 [577]
4 years ago
8

100 POINTS QUESTION ON ATTACHMENT

Mathematics
2 answers:
Nadya [2.5K]4 years ago
7 0

Answer:

D

Step-by-step explanation:

Vlada [557]4 years ago
3 0

Answer:

the answer is d because you have to follow the order of operations.

Step-by-step explanation:

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The graph below shows the water level of a tank that is emptying over time.
Allisa [31]
From inspecting the graph, you can identify the y-intercept and the slope of the line shown.

The y-intercept is 200 gallons.
The slope is 

             75-200
    m = ------------- = -12.5 gallons/minute
               10 -  0

Thus, y = 200 gallons - [12.5 gallons/minute ]t

To answer the 2nd question, let t = 12 minutes and calculate y(12).

To determine how long it wld take to empty the tank, set the above formula equal to zero and solve the resulting equation for t.
3 0
4 years ago
A certain company's main source of income is selling socks. The company's annual profit (in millions of dollars) as a function o
ivann1987 [24]
A quadratic function models the profit of the company and the maximum/minimum value of the quadratic function occurs on its vertex. 

The given function is:

P(x)=-3(x-5)^{2}+12

The equation is already in standard form, the vertex of the parabola as seen from the equation is (5,12)

This mean if the company sets the price of socks to $5 they will earn a maximum profit which is $ 12 million
3 0
3 years ago
Read 2 more answers
Use the number line to show and explain why 4/10 ÷ 2 and 4/10 × 1/2 both equal 2/10
Vesna [10]

Step-by-step explanation:

When you divide by a number, you basically are multiplying by the reciprocal

The reciprocal of 2 is 1/2

4/10 ÷ 2 = 4/10 × 1/2 = 2/10

4/10 × 1/2 = 2/10

Using a number line,

Start at 4/10 and move down by 2 until you reach 0

Start at 4/10 and move up by 1/2 from 0 until you reach 4/10

(Count the number of humps)

Both will be the same

4 0
3 years ago
A washer and dryer cost $869 combined. The washer cost $81 less than the dryer. What is the cost of the dryer?
marysya [2.9K]
W+d=869
w=d-81
plug in
(d-81)+d=869
2d-81=869
+81 both sides
2d=950
÷2 both sides
d=475
dryer cost $475

let's check w=475-81
w=394
475+394=869
869=869
the solution is true :)


7 0
3 years ago
Read 2 more answers
Taco Delight gives a free taco to every 12th customer and a free dessert to every 15th customer. Which customer would be the fir
KonstantinChe [14]

Answer:

8th customer when i did the math

Step-by-step explanation:

...

3 0
3 years ago
Read 2 more answers
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