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Irina-Kira [14]
2 years ago
15

Pre college need help with this question

Mathematics
1 answer:
Lady_Fox [76]2 years ago
4 0

Answer:

the domain is {7,-4,1,4,}

the range is {1,-5,2,-7}

Step-by-step explanation:

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Pls help!!!!!$:):80-$/!:8:$:
Dovator [93]

Answer:

5.95

Step-by-step explanation:

2\frac{7}{10}=\frac{27}{10}=2.7\\

3.25 + 2 7/10 = 3.25 + 2.70 = 5.95

5 0
3 years ago
For geometry:(<br><br> will give brainist to the correct answer!!!
Strike441 [17]

Answer:

y = ⅔x - 5

Step-by-step explanation:

To write the equation, find the slope (m), to enable you write the equation of the line in point-slope form given a point, (-3, -7) that the line passes through.

Since the line is parallel to 2x - 3y = 24,, it would have the same slope (m) value.

Rewrite 2x - 3y = 24 in slope-intercept form.

Thus:

2x - 3y = 24

-3y = -2x + 24

y = ⅔x - 12

The slope of 2x - 3y = 24 is ⅔. Therefore, the line that is parallel to 2x - 3y = 24 is also ⅔.

To write the equation of the line, substitute (a, b) = (-3, -7) and m = ⅔ into y - b = m(x - a)

Thus:

y - (-7) = ⅔(x - (-3))

y + 7 = ⅔(x + 3)

y + 7 = ⅔x + 2

y = ⅔x + 2 - 7

y = ⅔x - 5

5 0
3 years ago
A submarine was situated 800 feet below sea level. If it goes 450 feet up towards the surface, goes back down 100 feet and then
Vlad [161]
The submarine's new position is 240 feet below sea level.
6 0
3 years ago
Read 2 more answers
Solve the quadratic equation by completing the square.<br> x²–2x-12=0
inn [45]

Answer:

(x-1)^2-13=0

x = \sqrt{13}+1

Step-by-step explanation:

Completing the square is a method of rewriting a quadratic equation in the standard form such that it is in vertex form. The first step is to group the linear and quadratic terms, then factor out the coefficient of the quadratic term. After doing so, complete the square, add a value such that the linear and quadratic terms form a perfect square trinomial. Do not forget to balance the equation. The final step is to simplify.

x^2-2x-12=0

Group,

(x^2-2x)-12=0

Complete the square,

(x^2-2x+1)-12-1=0

Simplify,

(x-1)^2-13=0

Now solve the equation using inverse operations,

(x-1)^2-13=0\\\\(x-1)^2=13\\\\x-1=\sqrt{13}\\\\x = \sqrt{13}+1

7 0
3 years ago
Hi, Which of these percentages is closest in value to 7/9
Gnoma [55]
To find a percentage, you need to divide 7 by 9 to find out what 7/9 is.
It turns out to be 0.777 repeating. 
To find a percentage, you need to move the decimal place over by two to the right, so 7/9 is equals to 77.77%.
If you round that, then 77.77% is closest to 78%.


Hope this helps!
4 0
3 years ago
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