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3 years ago

Jan's father earns vacation days at the rate of 39 vacation days eerie 52 weeks.

Mathematics

1 answer:

Sladkaya [172]3 years ago

7 0

Step-by-step explanation:

sorry di ko rin alam wala ako kasi akong ganyan

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If a textbook has a mass of 2.2kg and weighs 19.6 newtons on Venus what is the strength of gravity on Venus?

Neporo4naja [7]

G=mg=>g=G/m=8,9m/s^2

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3 years ago

In which set are all of the numbers solutions to the inequality x < -3?

Tomtit [17]

Answer:

i dont know have a good day pls stay safe dont get hurt and get a good grade

Step-by-step explanation:

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3 years ago

What is the answer to: 25% of 80?

kicyunya [14]

Answer:

25% of 80

<=> 25/100 of 80

<=> 1/4 of 80

<=> 80/4 = 20

6 0

3 years ago

Find y by itself 7y=14x-21

vlada-n [284]

Answer: y=2x-3

Step-by-step explanation:

divide both sides by 7

7y/7=(14x-21)/7

y=2x-3

8 0

3 years ago

Read 2 more answers

Factor the quadratic expression in the equation y=2x^2+28x+96 and use the factors to find the zeros of the equation. Then, use t

gavmur [86]

Answer:

$x=-7$

Step-by-step explanation:

We have been given an equation $y=2x^2+28x+96$ . We are asked to find the zeros of equation by factoring and then find the line of symmetry of the parabola.

Let us factor our given equation as:

$2x^2+28x+96=0$

Dividing both sides by 2:

$x^2+14x+48=0$

Splitting the middle term:

$x^2+6x+8x+48=0$

$(x^2+6x)+(8x+48)=0$

$x(x+6)+8(x+6)=0$

$(x+8)(x+6)=0$

Using zero product property:

$(x+8)=0\text{ (or) }(x+6)=0$

$x+8=0\text{ (or) }x+6=0$

$x=-8\text{ (or) }x=-6$

Therefore, the zeros of the given equation are $x=-8\text{ (or) }x=-6$ .

We know that the line of symmetry of a parabola is equal to the x-coordinate of vertex of parabola.

We also know that x-coordinate of vertex of parabola is equal to the average of zeros. So x-coordinate of vertex of parabola would be:

$\frac{-8+(-6)}{2}=\frac{-14}{2}=-7$

Therefore, the equation $x=-7$ represents the line of symmetry of the given parabola.

4 0

3 years ago