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viva [34]
3 years ago
15

Two step equations

Mathematics
1 answer:
svp [43]3 years ago
6 0

Answer:

8

Step-by-step explanation:

Since she now has 12, subtract 8 because of the 8 she before added.

Now, you're left with 4.

The 4 is half of what she originally had, leading up to the fact that the answer is 8.

Sally began with eight comic books.

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Pamela called nine repair shops for quotes for auto repairs. The prices are $139, $150, $345, $99, $167, $155, $140, $200, and $
ASHA 777 [7]

Answer:

Step-by-step explanation:

The prices of quoted of auto repairs are as listed below;

$139, $150, $345, $99, $167, $155, $140, $200.

For her to check whether there is an outlier in the data, she needs to find the mean of the set of data. An outlier is a value in a set of a data that varies considerably from other data in a dataset. It may be larger or smaller than other set of datas. An outlier can affect the decision of a set of data to be analysed if nor taken care of.

From the data, the possible outliers are $99 and $345

Mean of the data = sum of all the prices/sample size

xbar = \sum Xi / N

Xi are individual datas

\sum Xi = $139+$150+$345+$99+$167+$155+$140+$200+$160

\sumXi = $1555

Sample size = 9

Mean = $1555/9

Mean = $172.78

Hence the value that would best represent the central tendency is $177.78

5 0
3 years ago
Which techniques can be used to evaluate the expression 12.75 = 1.5? Select all that apply.
n200080 [17]
What is the apply??? Put all of the select all that apply so I can help you
8 0
3 years ago
How many solutions does the equation 3x+15=2x+10+x+5 have
sveticcg [70]

Answer:

Infinite

Step-by-step explanation:

3x+15=2x+10+x+5

grouping

3x+15=3x+15

If you have a equation where both sides are the exactly the same, the solutions are infinite. This is written as: x€ℝ

3 0
3 years ago
Find the area of the triangle below??
Sladkaya [172]

Answer:

94.8

Step-by-step explanation:

94.8 is the answer for 1st q

8 0
3 years ago
30+5z+5z=180<br> what is the value of z
Mariulka [41]

Answer:

15

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8 0
3 years ago
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