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Andre45 [30]
3 years ago
8

Can someone please help with this.

Mathematics
2 answers:
wariber [46]3 years ago
6 0
The answer of this question would be B
Kaylis [27]3 years ago
4 0
A B and C is all true so I guess it’s not reversible?
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Write ✓ –28 in simplest radical form.
solniwko [45]
✓ –28 in simplest radical form is 27!!!

5 0
3 years ago
If there is no relationship (linear or otherwise) between two quantitative variables as observed on a scatterplot, the value of
Ainat [17]

Answer:

Option 3)  Closer to 0      

Step-by-step explanation:

Correlation:

  • Correlation is a technique that help us to find or define a relationship between two variables.
  • A positive correlation means that an increase in one quantity leads to an increase in another quantity
  • A negative correlation means with increase in one quantity the other quantity decreases.
  • Range of Correlation

Values between 0 and 0.3 tells about a weak positive linear relationship, values between 0.3 and 0.7 shows a moderate positive correlation and a correlation of 0.7 and 1.0 states a strong positive linear relationship.

Values between 0 and -0.3 tells about a weak negative linear relationship, values between -0.3 and -0.7 shows a moderate negative correlation and a correlation value of of -0.7 and -1.0 states a strong negative linear relationship.

  • A value of 0 tells that there is no correlation between the two variables.

Thus, for the given situation, if there is no relationship between two quantitative variables then the value of the correlation coefficient, r, is close to 0

4 0
4 years ago
?$5400 is? invested, part of it at 11?% and part of it at 8?%. For a certain? year, the total yield is ?$522.00. How much was in
Lesechka [4]

Answer:

  • $3000 at 11%
  • $2400 at 8%

Step-by-step explanation:

Let x represent the amount invested at 11%. Then (5400-x) is the amount invested at 8%. The total interest earned is the sum of the interest amounts earned on each investment. Each of those is the product of the interest rate and the amount invested.

  (5400-x)·8% + x·11% = 522

  432 +0.03x = 522 . . . . . . . . simplify

  .03x = 90 . . . . . . . . . . . . . . . subtract 432

  90/.03 = x = 3000 . . . . . . . . divide by the coefficient of x

$3000 is invested at 11%; $2400 is invested at 8%.

8 0
4 years ago
Step 1: Subtract 3 from both sides of the inequality.
zlopas [31]
5 - 8x < 2x + 3

5 - 8x < 2x + 3
<u>-3               - 3 </u> Step 1.
2 - 8x < 2x
<u>   +8x    +8x    </u> Step 2. Missing step
2        < 10x
<u>÷10        ÷10</u>   Step 3.
<u>2/10   < x</u>
<u>1/5     < x

The missing step is add 8x to both sides of the inequality.</u>
6 0
3 years ago
Read 2 more answers
What kind of triangle is this
iren [92.7K]
Would it be two equilateral triangles?
I'm sorry if this doesn't help I don't really know what type of triangle that is.
7 0
3 years ago
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