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3 years ago

What goes into both 95 and 78?

1 answer:

8 0

You might want to factor both numbers and then look to see what factor or factors is common to both:

95 = 5*19 (no other factors)

78 = 39*2 = 3*13*2

Doesn't appear that there are any common factors! Thus, 1 is the only integer that divides into both 95 and 78 evenly.

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What is an equation of the line that passes through the point (-6, -7) and is

Alexandra [31]

Answer:

Step-by-step explanation:

Product of slope of perpendicular lines = -1

6x + 5y = 30

Write this equation in y = mx + b form

5y = -6x + 30

y = $\frac{-6}{5}x+\frac{30}{5}$

$y=\frac{-6}{5}x + 6$

Slope of this line m₁ = -6/5

m₁ * m₂ = -1

m₂ = -1÷m₁ = -1 * $\frac{5}{-6}$

$m_{2}=\frac{5}{6}$ & (-6 , -7)

Equation of the required line: y - y₁ = m (x - x₁)

$y - (-7) = \frac{5}{6}(x - [-6])\\\\y + 7 = \frac{5}{6}x + 6 *\frac{5}{6}\\\\y = \frac{5}{6}x +5-7\\\\y=\frac{5}{6}x-2$

8 0

3 years ago

The table shown lists the atomic weight of the elements that begin with the letter c. What's the range of these

kondaur [170]

The Answer is 2

34.989.I used a physics book

3 0

3 years ago

Write an equation for a parabola with a focus of (1,-2) and a directrix of y=6

FinnZ [79.3K]

Answer:

y = - $\frac{1}{16}$ (x - 1)² + 2

Step-by-step explanation:

Any point (x, y) on the parabola is equidistant from the focus and the directrix.

Using the distance formula

$\sqrt{(x-1)^2+(y+2)^2^}$ = | y - 6 |

Square both sides

(x - 1)² + (y + 2)² = (y - 6)² ( expand the factors in y )

(x - 1)² + y² + 4y + 4 = y² - 12y + 36 ( subtract y² - 12y from both sides )

(x - 1)² + 16y + 4 = 36 ( subtract 4 from both sides )

(x - 1)² + 16y = 32 ← subtract (x - 1)² from both sides )

16y = - (x - 1)² + 32 ( divide all terms by 16 )

y = - $\frac{1}{16}$ (x - 1)² + 2

8 0

3 years ago

Darin randomly selects a marble from a jar that contains only red and green marbles. Which of these could be the probability tha

Luden [163]

Answer:

Step-by-step explanation:

There are both red and green marbles in the jar. The answer cannot be A or D because that would mean that there's 1.14% or 1.04% green marbles. But we know that there's less than that in the and bag. And there are also red marbles. B and F do not work because there can't be a negative amount of marbles in the bag.

8 0

3 years ago

Can u answer all three pls

faust18 [17]

Answer:

1. 28ft

2. 26ft

3. 20ft

Step-by-step explanation:

here ya go

5 0

3 years ago

Read 2 more answers