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Vinvika [58]
2 years ago
10

Simplifie -4.9(2+6.2v)

Mathematics
2 answers:
klio [65]2 years ago
8 0
V = -2.5 + -0.5x welcome!!
Diano4ka-milaya [45]2 years ago
8 0

Answer:

it's 23over 78 and it can reduce

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HELP ASAP Use the data below
beks73 [17]

Answer:

Part A:

   -Minimum: 10

   -Q1: 17.5

   -Median: 30

   -Q3: 42.5

   -Maximum: 50

Step-by-step explanation:

Part B: IQR= 25

This shows that the data varies for 25 different numbers. That HALF of the data is between 25 numbers.

Part C: Using a box-and-whisker plot you can interpret the different values. Minimum is the first dot (10), connected to the first line (Q1 which is 17.5), connected by a box to the median (30), connected by a box to the third line (Q3 which is 42.5), connected to the last dot which is the maximum (50). And IQR is Q3-Q1, so 42.5-17.5 which is 25.

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3 years ago
Five small apples have about 390 calories.
Dvinal [7]
78 calories per apple :)
7 0
3 years ago
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In chemistry class 18 liters of 30% alcohol solution must be mixed with 20% solution to get 14% solution how many liters of 20%
alexdok [17]
If you are mixing a 30% solution with a 20% solution to obtain a 14% solution, you will never obtain a 14% solution.

5 0
3 years ago
The Taylors Have recorded their weekly grocery expenses for the past 12 weeks and determined that the mean weekly expense was 60
kherson [118]

We are told that the Taylors Have recorded their weekly grocery expenses for the past 12 weeks and determined that the mean weekly expense was 60.26. Later , Mrs.Taylor discovered that 1 weeks expense of $74 was incorrectly recorded as $47.

We can find the correct mean weekly expenses by calculating the mean of difference between 74 and 47, then adding it to the given mean weekly expenses.

\frac{74-47}{12}

\frac{27}{12}=2.25

Now let us add 2.25 in 60.26 to find the correct mean weekly expenses.

\text{Correct mean weekly expenses}=60.26+2.25

\text{Correct mean weekly expenses}=62.51

Therefore, the correct mean weekly expenses for the Taylors will be 62.51.

8 0
3 years ago
I need help with my math test i took a screenshot of the question
Mekhanik [1.2K]

Answer:

A

Step-by-step explanation:

2 + (-1) = 1

1 + 3 = 4

Thus, 5(small four)

7 0
2 years ago
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