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jolli1 [7]
3 years ago
14

W(x)=-5(x-8)(x+4) what is the maximum height that the stone will reach?

Mathematics
1 answer:
Ganezh [65]3 years ago
6 0

Answer:

the maximum height is 180 or y=180

Step-by-step explanation:

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Help please and thank you: The graph of f x = x2 − 2x − 3 is shown. Which of these describes the effect changing f x to f −2x wi
Lemur [1.5K]

Answer:

Option (C).

Step-by-step explanation:

Graphed function is,

f(x) = x² - 2x - 3

     = x² - 2x + 1 - 1 - 3

     = (x² - 2x + 1) - 4

     = (x - 1)² - 4

f(-2x) = (-2x)² - 2(-2x) - 3

        = 4x² + 4x - 3

        = 4(x² + x) - 3

        = 4[x² + 2(0.5)x + (0.5)²- (0.5)²] -3

        = 4(x + 0.5)² - 1 - 3

        = 4(x + 0.5)² - 4

        = 4[(x - 1) + 1.5]² - 4

Therefore, parent function 'f' will be a horizontal shrink by 4 units and  shifted 1.5 units to the left.

Option (C) will be the answer.

5 0
3 years ago
A construction crew needs to build a road that will be 20 miles long. The crew already completed a stretch that is 6.44 miles lo
Alex787 [66]
The answer is A. 8.62 is about 9 and 6.44 is about 6 
7 0
3 years ago
Read 2 more answers
She made 76,450 last year she received a 4% salary increase how much does she make now ?
Luden [163]

Answer:

$79,508

Step-by-step explanation:

Change 4% to decimal form: drop the percent sign replacing it with a decimal    

                                                point then move the decimal point two places to  

                                                the left = .04

Salary increase: $76,450 x .04 = $3,058

Total salary: $76,450 + $3,058 = $79,508

5 0
3 years ago
How many inches are in 1 mile? (5280ft = 1mi; 12in = 1ft)
7nadin3 [17]

1 mile * 5280 ft * 12 in = 63360 in

There are 63360 inches in one mile

4 0
3 years ago
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In if GS ⊥ XJ and XJ⊥EA what is true about GS and EA
svlad2 [7]

Answer:

(GS) || (EA)

Step-by-step explanation:

When two lines are parallel, all four angles formed by the intersection of the two lines are right angles, meaning their angle measures are (90°). This means that alternate interior angles are congruent because all alternate interior angles measures equal (90°). Therefore, by the alternate interior angles converse theorem, lines (GS) and (EA) are parallel.

The alternate interior angles converse theorem states if two angles are congruent and they have the relation of being a part of two lines intersected by a third line, then the two non-intersecting lines are parallel.

6 0
3 years ago
Read 2 more answers
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