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o-na [289]
4 years ago
8

Solve the quadratic function by completing the square. What are the missing pieces in the steps?

Mathematics
1 answer:
Thepotemich [5.8K]4 years ago
3 0

Answer:23x

Step-by-step explanation:

ejknmjdn

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Carol, Ann, and Liz each bought a toy fish. Carol's fish is 5 inches longer than Ann's fish. Liz's fish is 9 inches longer than
hram777 [196]

Answer:

The length of Ann's toy fish is 12 inches; the length of Carol's toy fish is 17 inches; and the length of Liz's toy fish is 33 inches.

Step-by-step explanation:

Let's say Carol's fish is c inches long, Ann's is a inches long, and Liz's is l inches long. Then:

c = 5 + a

l = 9 + 2a

a = 12

Plug 12 in for a to find c and l:

c = 5 + a = 5 + 12 = 17 inches

l = 9 + 2a = 9 + 2 * 12 = 9 + 24 = 33 inches

Thus:

The length of Ann's toy fish is 12 inches; the length of Carol's toy fish is 17 inches; and the length of Liz's toy fish is 33 inches.

6 0
3 years ago
Blake is working his way through school. he works two part time jobs for a total of 31 hours a week. job pays $5.80 per hour and
AnnZ [28]

are their any answer choices?

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3 years ago
Solve for y.<br> 72/y=3<br> simplify
Lera25 [3.4K]

Answer:

the answer is 24

Step-by-step explanation:

72/y=3

72/3

24

8 0
3 years ago
Please help asap<br> find 140% of 82
WITCHER [35]

Answer:

114.8

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the average rate of change of the function over the given interval.
Minchanka [31]

Answer:

Average rate of change = 20.2

Rate of change at the left endpoint :   f' (5) = 4t = 20

Rate of change at the right  endpoint : f' (5.1) = 4*5.1 = 20.4

Step-by-step explanation:

The average rate of change of the function

F(t) = 2t^2 - 1 ,  [ 5,5.1 ]

solution

\frac{f(5.1)-f(5)}{5.1 - 5} = \frac{2*(5.1)^2-1-(2*5^2-1)}{0.1}   = [ 2 ( 26.01 - 25 ) / 0.1 ]

= 2.02 / 0.1 = 20.2

Rate of change at the left endpoint :   f' (5) = 4t = 20

Rate of change at the right  endpoint : f' (5.1) = 4*5.1 = 20.4

6 0
4 years ago
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