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Andreas93 [3]
2 years ago
6

Which of the following expressions is equivalent to 15x+y−x−10y?

Mathematics
1 answer:
lions [1.4K]2 years ago
6 0
14x-9y is the answer
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3. A quadratic polynomial whose<br>product and the sum of<br>zéroes are -12 and 1​
muminat

Answer:

the equation is : x²-x-12

Step-by-step explanation:

the quadratic equation is in the form of : y=ax²+bx+c

the product of the zeros is -12 and the sum is 1

b  = - 1

c=-12 (product)

y=x²-x-12

check : factorize first (x+3)(x-4)=0

either x+3=0 then x=-3

or x-4=0 then x=4

-3*4=-12

-3+4=1

the equation is : x²-x-12

3 0
3 years ago
Which of the following correlation coefficients represents the strongest
erik [133]

Answer:

\boxed {\boxed {\sf -0.92}}

Step-by-step explanation:

A correlation coefficient is a number ranging from -1 and 1 that measures the strength and direction of a linear relationship.

  • If it is a negative number, the linear relationship is also negative. If it's positive, the relationship is positive.
  • The closer it is to -1 or 1, the stronger the relationship.

Since the question only asks for the strongest relationship and does not ask for the direction (positive/negative), we can simply choose the number closest to -1/1. Therefore, the answer is -0.92.

8 0
3 years ago
Jejehbehrjrurhrhrhrurijrbebehejisishebebeheueuriurgrbrbrbrjirhrbbevrgrhrhr
ivanzaharov [21]

Answer:Really dude

Step-by-step explanation:just really

4 0
3 years ago
Read 2 more answers
The sum of two numbers is twice their difference. the larger number is 2 more than twice the smaller. find the numbers. smaller
MatroZZZ [7]
X+y=2(x-y)
x+y=2x-2y
3y=x
x-2y=2
then,substitute
(3y)-2y=2
y=2
so,x=3(2)
x=6
x the largest
y the smallest

6 0
3 years ago
The green slope is 1/4 what is the red line. both lines are parallel
andreev551 [17]
Paralel lines have same slope

if green line is paralell to red line
and the slope of the green line is 1/4
slope of red line is 1/4 also
5 0
3 years ago
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