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leva [86]
3 years ago
5

X + 7 < 15 I need to know what this answer is and quick

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
4 0

Answer:

x<8

Step-by-step explanation:

x+7<15

x<15-7

x<8

hope \: it \: helps

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4.5.36
Pavel [41]

Answer:

Step-by-step explanation:

Given function is h(t) = -16t² + 1500

a). For h(t) = 1000 feet,

   1000 = -16t² + 1500

   1000 - 1500 = -16t² + 1500 - 1500

   -500 = -16t²

    t² = \frac{500}{16}

    t = \sqrt{31.25}

    t = 5.59 sec

b). For h(t) = 940 feet,

   940 = -16t² + 1500

   940 - 1500 = -16t² + 1500 - 1500

   -16t² = -560

   t² = \frac{-560}{-16}

   t = \sqrt{35}

   t = 5.92 sec

c). For domain and range of the function,

  When the jumper comes down to the ground,

   h = 0

   0 =-16t² + 1500

   t² = \frac{1500}{16}

   t = \sqrt{93.75}

   t = 9.68 sec

  Since, x-values on the graph vary from x = 0 to x = 9.68,

  Domain : [0, 9.68]

  Vertex of the quadratic function: (0, 1500)

  Since, coefficient of the highest degree term is negative, parabola will open downwards.

  Therefore, y-values of the function will vary in the interval y = 0 to y = 1500

  Range: [0, 1500]  

3 0
3 years ago
music store bought a CD set at a cost of ​$10. When the store sold the CD​ set, the percent markup was 10​%. Find the selling pr
dolphi86 [110]

Answer:

11

Step-by-step explanation:

10 percent of 10 is 1 so add that to 10 and you have your price

7 0
2 years ago
Which is the value of this expression when p = -2 and q = -1?
Pie

Answer:

Here is the ans...hope it helps:)

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Find the value of the variable and the measure of each labeled angle.
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Answer:

x+10

Step-by-step explanation:

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3 years ago
What is 35 x 345? Solve and I will give you money
Otrada [13]

Answer:

12075

Step-by-step explanation:

35 x 345 = 12075

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3 years ago
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