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lisabon 2012 [21]
4 years ago
13

The functions below represent the amounts of water released from two reservoirs over x weeks.

Mathematics
2 answers:
spayn [35]4 years ago
7 0

Answer:

<u>The correct answer is D. h(x) = 7x – 4x2 – 11x – 17</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

f(x) = 7x – 8x – 2  

g(x) = 4x2 + 3x + 15

2. Which of the following answers shows the difference in the amounts of water released, h(x) = f(x) – g(x)?

h(x) = f(x) - g(x)

h(x) = 7x – 8x – 2   - (4x2 + 3x + 15)

h(x) = 7x – 8x – 2   - 4x2 - 3x - 15

h(x) = 7x – 11x – 17   - 4x2

<u>The correct answer is D. h(x) = 7x – 4x2 – 11x – 17</u>

S_A_V [24]4 years ago
3 0

Answer:

D

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
Which expressions can be used to compute the approximate area of triangle xyz? check all that appy
GenaCL600 [577]

Answer:

The answer is 1st point, 1/2×22.0×23.1

Step-by-step explanation:

You can let XY be the base and XZ be the height of the triangle. Then, by using the formula of the area of triangle, A=1/2×base×height to find the expression.

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3 years ago
8g - 5g =24.<br><br> (For a test)
lorasvet [3.4K]

Answer:

8g-5g=24.

We move all terms to the left:

8g-5g-(24.)=0

We add all the numbers together, and all the variables

8g-5g-24=0

We add all the numbers together, and all the variables

3g-24=0

We move all terms containing g to the left, all other terms to the right

3g=24

g=24/3

g=8

   

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
analyze this situation and determine how much cookie dough is "wasted" when 3-inch cookies are cut. then have each team member c
Cerrena [4.2K]

Answer:

The result is the same.

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  

Please have a look at the attached photo.  

My answer:

Given the information:

  • square 12 inches wide
  • 3-inch diameter cookies are cut => its radius is: 1.5 inches

Hence we can find some information:

  • The area of the square is: 12^{2}  = 144 square inches
  • The area of a cookies is: r^{2}π = 3.14*1.5^{2} = 7.065 square inches
  • The total number of 3-inch cookies are: 4*4 =16

=> The total area of the cookies is: 16* 7.065 = 113.04 square inches

=> how much cookie dough is "wasted" when 3-inch cookies are cut:

= The area of the square - The total area of the cookies

= 144 - 113.04 = 30.96  square inches

If the diameter is increased to 4 inches => its radius: 2 inches, we have:

  • The area of a cookies is: r^{2}π = 2^{2} *3.14 = 12.56 square inches
  • The total number of 3-inch cookies are: 3*3 =9

=> The total area of the cookies is: 9* 12.56 = 113.04 square inches

=> how much cookie dough is "wasted" when 4-inch cookies are cut:

= The area of the square - The total area of the cookies

= 144 - 113.04 = 30.96  square inches

The result is the same.

8 0
3 years ago
A student number system for a county requires that the student number be 5
Damm [24]

Answer:

B

Step-by-step explanation:

First Character: 21 consonant

2nd 3rd and 4th: 10* 9* 8 = 720

Last Character: 26

Total Ways 21 * 720 * 26 = 393120

6 0
3 years ago
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