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marta [7]
3 years ago
15

A researcher is studying psychological factors in academic achievement among teenage girls. One variable she is particularly int

erested in is competitiveness. What information does a measure of variability for the variable competitiveness convey? Check all that apply. Do all teenage girls have the same amount of competitiveness? What is the average value for the variable competitiveness among teenage girls? How consistent are the values for competitiveness among teenage girls? What is the most common value for the variable competitiveness among teenage girls?
Mathematics
1 answer:
horrorfan [7]3 years ago
6 0

Answer:

The correct answer is:option A and B

Step-by-step explanation:

A researcher is studying and examining psychological factors in academic achievement amongst teenage boys. One of the variable he is particularly paying more attention is in determination.

The quantifying of variability for the variable determination suggests how stretched out are the values for determination amid teenage boys (do all boys that are still in their teenage years have the same determination) and how constant are the values of determination amid teenage boys.

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Lucy's savings account has 35% more money than her sister Edy's. Together, the girls have saved a total of $206.80. How much mon
Ber [7]
X=Lucy´s money
y=Edy´s money
we can suggest this system of equations:
x=y+(35/100)y    ⇒x=135y/100
x+y=206.8

solve by substitution method. 
(135y/100)+y=206.8
Least common multiple=100
135y+100y=20680
235y=20680
y=20680/235=88

then:
x=135y/100=135(88)/100=118.8

Answer:
Lucy´s money=$118.8
Edy´s money=$88

To check:
Together, the girls have   saved a total of $118.8+$88=$206.8
Lucy´s savings account has: $88+(35/100)$88=$118.8, 35% more monty than Edy´s. account.     .                                                                                                                            
7 0
3 years ago
Please help ASAP, giving lots of points.
BARSIC [14]
The answers is the last one

6 0
4 years ago
A new car is purchased for \$47,000$47,000 and over time its value depreciates by one half every 4.5 years. What is the value of
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It’s is 47,027.5 you need to add
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3 years ago
18) ¿Cuál de los siguientes números es divisible por 6?
ValentinkaMS [17]

Answer:

b) 18,342

Step-by-step explanation:

18,342  es divisible por 6 porque es divisible por 3  y es divisible por 2

3 0
3 years ago
Find the value of x so that the function has the given value.<br><br> j (x) = -4/5x + 7; j (x) = -5
Murrr4er [49]

Answer:

x = 15

Step-by-step explanation:

Step 1: Define

j(x) = -4/5x + 7

j(x) = -5

Step 2: Substitute and Evaluate

-5 = -4/5x + 7

-12 = -4/5x

x = 15

5 0
4 years ago
Read 2 more answers
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