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RideAnS [48]
3 years ago
10

Which of the following is the best description of a positive association between two variables?

Mathematics
1 answer:
julsineya [31]3 years ago
4 0
B) the values will create a line with positive slope when graphed on a scatter plot.
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Seven - tenths of the votes for blue were made by girls. Did girls who voted for blue make up more than or less than half of all
Ludmilka [50]

Answer:

More than half

Step-by-step explanation:

10/10 would be one whole, and half of ten is 5, which makes 5/10 equal to one half. 7 is greater than 5, so that means 7/10 is more than one half. Hope this helps!

7 0
3 years ago
Explain how solving $2x<-8$ is different from solving $-2x<8$ .
miv72 [106K]

Answer:

When we divide by a negative value, the sign for the inequality changes.

Step-by-step explanation:

2x < -8, to solve we would divide by 2 and receive x < -4. However, in solving -2x < 8, we would divide by negative 2, which would result in x > -4. Clearly, these sequences provide opposite answers and that is a rule to inequalities, that when dividing by a negative number, we must flip the less than/greater than sign.

6 0
2 years ago
Whats 2+1*7 nnebfbwjqj
Svetlanka [38]
2+1=3*7=21 hope I helped 
6 0
3 years ago
Read 2 more answers
Determine whether the statement is true or false. If it is true, explain why. If it is false, explain why or give an example tha
frosja888 [35]

Answer:

False

Step-by-step explanation:

the <u>dot product</u> between two vectors A and B is:

A·B=ABcos\theta

where \theta is the angle between the vectors, if they are parallel, this angle is zero. so  \theta=0

and so the dot product is:

A·B =ABcos(0)

and since  cos (0)=1

the dot product is equal to

A·B=AB

The dot product of parallel vectors is NOT zero

5 0
3 years ago
Find the value of the expression 4a4 − 2b2 + 40 when a = 2 and b = 7.
Makovka662 [10]
4 a⁴ - 2 b² + 40 :

4 * ( 2⁴) - 2  * ( 7²)  + 40 = 

4 * 16 - 2 * 49 + 40 =

64 - 98 + 40 =

-34 + 40 =

+ 6

<span>hope this helps!</span>
4 0
3 years ago
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