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nata0808 [166]
3 years ago
5

The graph below represents a rock climbers height as she acends a hill. Part A- The above graph is (circle one) linear/ nonlinea

r. Part B- Is the above graph a function? Explain.​
Mathematics
1 answer:
ohaa [14]3 years ago
8 0

Answer:

Part A: its linear

Part B: it is a function

Step-by-step explanation:

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The cost, C. of producing coolers, x, is modeled by the equation C = 0.005x2 - 0.3x + 17. How many coolers are
melamori03 [73]

Answer:

66 coolers

Step-by-step explanation:

C = 0.005x² - 0.3x + 17

When C = $19

19 = 0.005x² - 0.3x + 17

19 - 17 = 0.005x² - 0.3x

2 = 0.005x² - 0.3x

0.005x² - 0.3x - 2 = 0

x = -b ± √b² - 4ac / 2a

= -(-0.3) ± √-0.3² - 4*0.005*-2 / 2*0.005

= 0.3 ± √ 0.09 - (-0.04) / 0.01

= 0.3 ± √ 0.09 + 0.04 / 0.01

= 0.3 ± √ 0.13 / 0.01

= 0.3/0.01 ± √0.13/0.01

= 30 ± 0.36/0.01

x = 30 ± 36

x = 30 + 36 or 30 - 36

x = 66 or -6

Number of coolers can not be negative

Therefore, number of coolers produced when the cost is $19

is 66 coolers

3 0
3 years ago
A bottle of root beer contains 4/5 L. How much root beer is in 3 bottles?
shusha [124]
3\cdot\frac{4}{5}=2.4 \hbox{ l}
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3 years ago
Using a Celsius scale, water freezes at 0°C and boils at 100°C. Using a Fahrenheit scale, water freezes at 32°F and boils at 212
natulia [17]
Y= (x(9/5)) + 32; Ex: y=(100(9/5)) + 32 —> 100 x 1.8 (or 9/5) = 180–> 180 + 32= 212 F
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3 years ago
Simplify(-4.5(-6(5.4
kherson [118]
If this is all multiplication
145.8
8 0
3 years ago
Read 2 more answers
What percent of 200 miles is 150 miles
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           150 / 200  =  0.75

                   0.75  =  75%

150 of anything is  75%  of  200  of the same thing.
3 0
3 years ago
Read 2 more answers
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