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mart [117]
3 years ago
12

Evaluate 4(a2 + 2b) - 2b when a = 2 and b = –2.

Mathematics
2 answers:
Flauer [41]3 years ago
6 0
Your answer will be 4 hope this helps
Snowcat [4.5K]3 years ago
3 0
The answers 4, hope it helps
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galben [10]

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(9,5.5)

Step-by-step explanation:

6 0
3 years ago
In the right triangle above, a = 99 and c= 124. Find the value of b, rounded to the nearest tenth.
Murljashka [212]

Answer:

B= -40

Step-by-step explanation:

So a right triangle has to = 180

So we write the given, which 124+99

we are trying to get 180 so lets subtract that by the equation, 180-124+99

180-(124+99)

12+99=223

180-223

=-43

But in your case it has to be rounded to the nearest tenth

So the answer is -40

8 0
2 years ago
Jannie has a budget of $240 to spend on jeans and shirts. She spends $95 on jeans. If the cost of each shirt is $22.50, how many
marysya [2.9K]
240-95=145
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OR about 6 shirts
6 0
3 years ago
Expand and simplify (x+5)(x+6)
seraphim [82]

Answer:

2

+

1

1

+

3

0

Step-by-step explanation:

(

+

5

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(

+

6

)

{\color{#c92786}{(x+5)(x+6)}}

(x+5)(x+6)

(

+

6

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+

5

(

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6 0
2 years ago
Amie works part-time at McDonalds. Each week, her work schedule changes. The number of hours she works each week is shown in the
kenny6666 [7]

Answer:

Mean Deviation = 5

Step-by-step explanation:

The numbers are given as;

8, 12, 12, 25, 10, 14, 4, 3, 22, 10

Mean = Sum of numbers / Population = 120 / 10

Mean = 12

mean deviation involves finding the sum of the absolute values of the differences between the individual elements and the mean. Then divding by the population.

Mean Deviation = |(8 - 12) + (12 - 12) + ( 12  - 12) + (25- 12) + (10- 12) + 14- 12) + (4- 12) + (3 - 12) + (22- 12) + (10- 12)

| / 10

Mean Absolute Deviation = 5

7 0
2 years ago
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