2 years ago

What is the horizontal distance that your bridge must span to clear the ravine?

Mathematics

2 answers:

artcher [175]2 years ago

6 0

Your diagram implies x = 150 & r = √ ( x² + y² ) theres supposed to be a chart

Misha Larkins [42]2 years ago

3 0

Your diagram implies x = 150 & r = √ ( x² + y² )

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Simplify: (2x – 3)2 4x2 + 9 4x2 – 12x + 9 4x2 – 12x + 6 4x2 – 6

Alexxandr [17]

Answer:

$4x^2-12x+9$

Step-by-step explanation:

we have

$(2x-3)^2$

we know that

$(a-b)^2=a^2-2ab+b^2$

In this problem

$a=2x\\b=3$

substitute in the formula

$(2x-3)^2=(2x)^2-2(2x)(3)+(3)^2$

$(2x-3)^2=4x^2-12x+9$

7 0

2 years ago

Read 2 more answers

Please help, will give brainliest!

12345 [234]

Answer:

Step-by-step explanation:

In parallelogram, diagonals bisect each other

DP = IP

7x - 8 = 3x

7x = 3x + 8

7x - 3x = 8

4x = 8

x = 8/4

x = 2

NP = YP

3y = 7x - 2

3y = 7*2 - 2

3y = 14 - 2

3y = 12

y = 12/3

y = 4

6 0

2 years ago

Need help with 5 6 7 and 8. at least answer one of them .

likoan [24]

Answer:

5) moves one place to right

6) moves one place to left

Step-by-step explanation:

8 0

3 years ago

The equation y ̂=844.697x^2+3723.485x-13,650 models the annual profits of a new business, where x is the number of years since t

julsineya [31]

The answer is $37,923

y = 844.697x^2 + 3723.485x - 13,650
x - number of years
y - the annual profit

If x = 8, the annual profit y is:
y = 844.697 * 8^2 + 3723.485 * 8 - 13,650
y = 844.697 * 64 + 29,787.88 - 13,650
y = 54,060.608 + 16,137.88
y = 37,922.728 ≈ 37,923

5 0

3 years ago

Can someone help??? Also if it wouldn’t bother can you also state how you got the answer. I don’t quite understand this concept.

Bond [772]

2/3 + x=4

x= 4 - 2/3

= (((4)(3) -2))/3

= (12-2)/3

= 10/3

7 0

3 years ago