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kicyunya [14]
3 years ago
6

Jay earns $5.90 per hour working at the ice cream parlor after school. He needs at least $236 for a stereo system. Choose the in

equality that describes how many hours Jay must work to buy the stereo system.
Mathematics
1 answer:
Studentka2010 [4]3 years ago
4 0
40 hours at 5.90 a hour so 40 hours he would make 236
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suppose you have 76 feet of fencing to enclose a rectangular dog pen. The function A=38x-x^2, where x= width, gives you the area
yan [13]
If A=38x-x^2 then

dA/dx=38-2x

d2A/dx2=-2

Since the acceleration, d2A/dx2 is a constant negative, when velocity, dA/dx=0, it will be an absolute maximum for A(x)

dA/dx=0 only when 38=2x, x=19

A(19)=38(19)-19^2

A(19)=722-361

A(19)=361 ft^2

So the maximum possible area is 361 ft^2

(This will always be true as the maximum possible area enclosed by a given amount of material will always be a perfect square...)
3 0
3 years ago
If g(x)=3x-1 and if g(a)=7 what is the value of a?
Ierofanga [76]

Answer:

a = 8/3

Step-by-step explanation:

3a - 1 would equal 7

3a = 7 + 1

3a = 8

a = 8/3

6 0
2 years ago
Nathan started with $50.32. He bought a T-shirt for $12.95 and a sweatshirt for $31.59. How much money does Nathan have left?
Umnica [9.8K]

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5.78.......

Step-by-step explanation:

4 0
3 years ago
Given the angles in the diagram, what is the measure of ∠C ?
Westkost [7]
Since quadrilaterals have interior angles that add up to 360, then subtract the known values from 360

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8 0
2 years ago
Read 2 more answers
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
maxonik [38]

Answer:

1) shifts f(x) 4 units down  = g(x) = 2x-10

2) stretches by factor 4    =  g(x) = 8x-24

3) shifts f(x) 4 units right   =  g(x) = 2x-14

4) compresses by factor 4 =  g(x) = 8x-6

Step-by-step explanation:

1)<em> When we have to move the function down by 4 units, subtract the whole function by -4, that is y -4.</em>

Thus, f(x) becomes  g(x) = 2x-6-(4) = 2x-10

2) <em>When the function is stretched away from x axis, it means in Y direction.</em>

<em>  Thus, when stretched 4 units in Y direction, the function becomes 4(f(x))</em>

 =  g(x) = 4(2x-6) = 8x-24

3)<em>When we have to move the function right by 4 units, replace x with (x-4) in the function.</em>

Thus, f(x) becomes  g(x) = 2(x-4)-6 = 2x-8-6 = 2x-14

4) <em>When the function is stretched towards y axis, it means in X direction.</em>

<em>  Thus, when compressed 4 units in X direction, replace the x by 4x.</em>

 =  g(x) = 2(4x)-6 = 8x-6

3 0
3 years ago
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