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nadezda [96]
3 years ago
7

How do u get An app That Anwsers complementary angles?

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
7 0

Type in complementary angle calculator

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How many times can 1021 go into 6
mina [271]

Answer:

uh i really wanna help but maybe dividing would help :)

Step-by-step explanation:

8 0
2 years ago
An economist conducted a study of the possible association between weekly income and weekly grocery expenditures. The particular
kolezko [41]

Answer:

42.1% of variation in the response is explained by the regression line

Step-by-step explanation:

Correlation coefficient is a measure which tells us that how strongly are two variables under study are linearly related to each other i.e correlation coefficient gives the strength of linear association between the variables.

If the magnitude of correlation coefficient is closer to 1, it indicates a strong linear relationship. If the magnitude of correlation coefficient is closer to 0, it indicates a weak linear relationship.

There is another variable known as "Coefficient of Determination", which is equal to square of Correlation Coefficient. Coefficient of Determination tells us that what percentage of variation in the response of the study can be explained by the regression line.

This means, for this question we need to calculate the Coefficient of Determination.

Correlation coefficient = r = 0.649

Coefficient of Determination = R = r² = (0.649)²= 0.421 = 42.1 %

This means that 42.1% of variation in the response is explained by the regression line.

5 0
3 years ago
Someone please help me on number 30. Thank you
timurjin [86]

8.9-3.3j=-2.2j+2.3
add 3.3j to both sides
8.9=1.1j+2.3
subtract 2.3 from both sides
6.6=1.1j
divide both sides by 1.1
6=j
7 0
3 years ago
A dealer marks a T-shirt with a price 20 PERCENT more than the cost price. It he sells it at a discount of I5 PERCENT.. What wil
Vlada [557]

Answer:

Rs 2,or 2%profit

Step-by-step explanation:

the price he marked:

100 \times  \frac{120}{100}  = 120

(20 percent more than cost price)

The discount he put: 15 percent

120 \times  \frac{85}{100}

Rs102

102 is 2 more than 100

and is 2%profit.

Brainliest please

6 0
3 years ago
0.5÷7/10<br>please help me with this my teacher is driving me crazy​
Illusion [34]

Answer:  0.714286

turn 7/10 into .7 and divide normally

7 0
3 years ago
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