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Dmitry [639]
4 years ago
15

The equation below describes a parabola. If a is negative, which way does the

Mathematics
2 answers:
tatuchka [14]4 years ago
7 0
A is the answer because I did this before
Sergio039 [100]4 years ago
7 0
Answer is Right I know it
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Helpp i’ll give brainlest
Papessa [141]

Answer:

i believe c is right.

please give me brainliest.

Step-by-step explanation:

7 0
3 years ago
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A homeowner must reduce the use of his homes electricity . the home currently consumes 25.7 kwh (kilowatt hours) of electricity
tigry1 [53]
Given:
25.7 kwh of electricity per day.
must reduce 20%

25.7 kwh * 20% = 5.14 kwh   * amount of electricity to be reduced.
25.7 kwh - 5.14 kwh = 20.56 kwh * net of reduced electricity

The homeowner will use 20.56 kwh after reduction of 20%.

8 0
4 years ago
A company is producing a new product. Due to the nature of the​ product, the time required to produce each unit decreases as wor
balu736 [363]

Answer:

The total time to produce units 1 through 10 = 21.762 hours

The total time to produce units 30 through 40 = 22.187 hours

Step-by-step explanation:

Function for the learning process is T(x) = 2 + 0.6(1/x)

Time required to produce 1st unit = 2.6

Time required to produce 2nd unit = 2.3

Time required to produce 3rd unit = 2.2

Time required to produce 4th unit = 2.15

Time required to produce 5th unit = 2.12

Time required to produce 6th unit = 2.1

Time required to produce 7th unit = 2.09

Time required to produce 8th unit = 2.075

Time required to produce 9th unit = 2. 067

Time required to produce 10th unit = 2. 06

The total time required for a new worker to produce units 1 through 10 is the sum of the above times. The total time to produce units 1 through 10 = 21.762

Function for the learning process is T(x) = 2 + 0.6(1/x)

Time required to produce 30th unit = 2.02

Time required to produce 31st unit = 2.019

Time required to produce 32nd unit = 2.0188

Time required to produce 33rd unit = 2.018

Time required to produce 34th unit = 2.0176

Time required to produce 35th unit = 2.017

Time required to produce 36th unit = 2.0167

Time required to produce 37th unit = 2.016

Time required to produce 38th unit = 2.0158

Time required to produce 39th unit = 2. 0154

Time required to produce 40th unit = 2. 015

The total time required for a new worker to produce units 30 through 40 is the sum of the above times. The total time to produce units 30 through 40 = 22.187

7 0
3 years ago
Find an equation of the plane. the plane through the point (3, 0, 7) and perpendicular to the line x = 5t, y = 2 − t, z = 8 + 4t
Gnom [1K]
Let's write the parametric line

(x,y,z) = (0,2,8) + t(5,-1,4)

(5,-1,4) is called the direction vector of the line.   It's normal to the plane

5x - y + 4z = constant

We get the constant by substituting the point (3,0,7),

5x - y +4z = 5(3) - 0 + 4(7) = 43

5x - y +4z = 43

4 0
3 years ago
Graph the solution of this inequality:<br> 4x -10 &gt;<br> – 12
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Answer:

well on what type of graph

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3 years ago
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