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Licemer1 [7]
3 years ago
9

15x squared minus 4c minus 4

Mathematics
1 answer:
hodyreva [135]3 years ago
7 0

This cannot be factored or factored by grouping.

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A study revealed a strong, linear, negative association between a decrease in salary and amount spent on clothes. Another study
kakasveta [241]

Answer:

A. simpson's paradox

Step-by-step explanation:

The Simpson's paradox was named after Edward Simpson, the person who described this paradox for the first time in 1951. In this paradox, you find two contrary patterns. For example, a positive and a negative correlation, depending on how data is analyzed. The differences in the analyses are how data are grouped. This paradox is observed often in social researches. Most of the times, results are affected by the sample on each group or additional information related to the data.

5 0
3 years ago
What is the area of the triangle given in the picture?
Ne4ueva [31]

Answer:

The area of the given triangle is 6 sq units.

Step-by-step explanation:

The area of triangle is given by

Area =

\frac{1}{2}  \times base \times height

Here base is 6units and height is 2units

hence area= (6*2)/2= 6 units

3 0
3 years ago
What is the slope of the line that goes through the points (1,-5) and (4,1)?
Anna007 [38]

Answer:

D. 2

Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
Evaluate the expression when x=20 and y=4.
klio [65]

Answer:

Hello, your question is missing. You did not show us a picture of the problem,  you did not write it either. Please send it again.

Step-by-step explanation:

3 0
2 years ago
Ryan bought 6 apples and 9 peaches for a total of $7.86. Madi bought 4 apples and 5 peaches for $4.82.
sergey [27]
Let's call:
a = price of 1 apple
p = price of 1 peach

The total cost is the price of 1 apple times the number of apples plus the price of 1 peach times the number of peaches, therefore the system can be:
\left \{ {{6a + 9p = 7.86} \atop {4a + 5p = 4.82}} \right.

Solve for a in the second equation (you can choose to solve for any of the variables in any of the equations, try to understand what is the best):
a = (4.82 - 5p) / 4

Now, substitute in the first equation:
6 · (4.82 - 5p) / 4 + 9p = 7.86
7.23 - (15/2)p + 9p = 7.86
(3/2)p = 0.63
p = 0.42

Now, substitute this value in the formula found for a:
<span>a = (4.82 - 5·0.42) / 4</span>
   = 0.68

Therefore, one apple costs 0.68$ and one peach costs 0.42$.
6 0
3 years ago
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