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soldi70 [24.7K]
3 years ago
13

Solve for x: −1 < x + 3 < 5

Mathematics
2 answers:
Art [367]3 years ago
8 0

Answer:

B. −4 < x < 2

Step-by-step explanation:

−1 < x + 3 < 5

To make x the subject, subtract 3 across the inequality

−1 - 3 < x + 3 - 3 < 5 - 3

-4 < x < 2

sineoko [7]3 years ago
6 0

Answer:

-4 < x < 2

Step-by-step explanation:

−1 < x + 3 < 5

- 3 - 3 - 3

_____________

−4 < x < 2

I am joyous to assist you anytime.

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The boxplot below shows salaries for CPAs and Actuaries in a town. 30 40 50 60 70 80 90 100 Salary (thousands of $) Actuary CPA
GuDViN [60]

Answer: 75%

Step-by-step explanation:

In order to answer this question, we have to know the meaning of a box plot. Boxplots are especially useful in statistical analysis and gives us a meaningful range of values. A box plot consists of 2 shapes, which are the box part and the extended lines. The short sides of the  box and the vertical line in the middle of the box represent a certain percentage of the values. The vertical line in the boxplot is the median of your dataset. For example, according to the shape given in the question, the median value for CPA's is 50 and this is closer to the left side of the box. This means that the first half ogf the dataset (when ranked from the smallest to the greatest) is closer to each other. The sides of the box represent the values at the 25% and 75% of the values respectfully.

For example, if we have 100 values, we rank them in order and the 25th value corresponds to the left side of the boxplot (named first quartile), 50th value (which is also the median)  corresponds the vertical line in the box and and the 75the value corresponds to the right side of the box (named third quartile).

The extended arms are calculated as accordingly: IQR=(3rd quartile value-1st quartile value). Left extended arm is first quartile-1.5*IQR and right extended arm is third quartile+1.5*IQR. However, this information is not directly related to this question.

Now, this question should seem simpler. The median salary of CPA is 50 and this is equal to left side of the Actuary boxplot, which corresponds to the 25% of actuaries. As a result, CPA median salary is less than 75% of the Actuaries (100%-25%).

5 0
3 years ago
Answer and explain for brainliest, no links..
jarptica [38.1K]

Answer:i dont know just jot down something but i dont care let me submit this

Step-by-step explanation:

listen if u are not taking the test just blop something down and they dont look at the awnser if they do then i dont know friendly hint

8 0
3 years ago
MARKING BRAINLIEST TO FIRST PERSON WHO IS CORRECT!<br><br><br> I need help with #13
levacccp [35]

Answer:

True

False

False

Step-by-step explanation:

4 0
2 years ago
I. There is a gap in the Potato Chips group
topjm [15]

Answer:

C) I and II

There is a gap in the Potato Chips group for the stem "14" and the Tortilla Chips group for the stem "12"

4 0
3 years ago
Add.
Sidana [21]

Answer:

1\frac{7}{20}

Step-by-step explanation:

1. Convert the mixed number to an improper fraction to match the rest of the problem (this just makes it easier for now, the answer will still be a mixed number)

-1\frac{4}{5} becomes \frac{9}{5}

2. Re-write the new equation. When there is a "+" in front of a set of parentheses the expression doesn't change aside from removing the plus signs.

The new equation becomes

\frac{9}{5} - \frac{1}{4} -\frac{1}{5}

3. Calculate. Just work out the new expression.

The answer is \frac{27}{20}

4. Convert to a simplified mixed decimal.

27 goes into 20 once with seven left over, making the answer 1\frac{7}{20}

8 0
2 years ago
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