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3 years ago

What is the coefficient of y in the expression 2 ⋅ 4 + 3y?

Mathematics

2 answers:

Westkost [7]3 years ago

8 0

Answer:

i just took this exam

Step-by-step explanation:

zvonat [6]3 years ago

4 0

The coefficient of y in this expression is 3

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Suppose a candidate for public office is favored by only 48% of the voters. if a sample survey randomly selects 2500 voters, the

Drupady [299]

Mean=0.48
standard deviation=0.01
thus using the z-score:
P(x>0.5) we shall have the following:
z=(0.5-0.48)/0.01=2
thus
P(x>0.5)
=1-P(x<0.5)
=1-P(z<2)
=1-0.9772
=0.0228

7 0

3 years ago

Is x a solution to 80<-9x+8

saveliy_v [14]

Answers: $x$

1. Switch sides

$-9x+8>80$

2. Subtract by 8 from both sides of equation.

$-9x+8-8>80-8$

3. Simplify.

$-9x>72$

4. Multiply by -1 from both sides of equation. (it's should be the reverse inequality).

$(-9x)(-1)$

5. Simplify.

$9x$

6. Then you had to divide by 9 from both sides of equation.

$\frac{9x}{9}< \frac{-72}{9}$

7. Simplify.

$\frac{9x}{9}=x$

8. Divide by the numbers.

$\frac{9}{9}=1$

$=x$

$\frac{-72}{9}=-8$

9. Divide by the numbers.

$\frac{72}{9}=8$

$=-8$

$x$

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3 0

3 years ago

Guys I need help on all three please

kodGreya [7K]

Answer:

graph 1 proportional

graph 2&3 is non proportional

i think

6 0

3 years ago

How to rewrite√-49 -4 in complex number notation

stira [4]

Sqrt(49)*sqrt (-1) -4 = 7i-4

5 0

3 years ago

The Class Earned $3 A Day For One Week For Their School Trip. How Much Money Did They Have By The End Of The Week?

zzz [600]

$21 because 3$x$7(numbers of days in a week)is $21. I hope this helps :)

6 0

3 years ago