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3 years ago

How can 2 high speed collision cars do more damage than low collision cars?

Mathematics

1 answer:

Margarita [4]3 years ago

8 0

Low collision makes less damage because of its collision warning and reflexes

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Determine the amplitude of the function y = -2 sin x from the graph shown below:

Slav-nsk [51]

Answer:

Step-by-step explanation:

y=a sin x

amplitude=|a|

a=-2

amplitude=2

4 0

3 years ago

Right now Seth's age is 4/5 the age of his brother Eric. Twenty-one years ago, Eric was twice as old as Seth. What are their age

lana [24]

Answer:

Present Time

Let X= Eric's age (4/5)X= Seth's age

Question: What are their ages now?________________________________________________________________________

Past (21 years ago)

X-21 =Eric's age (4/5)X-21=Seth's age

2*[4/5(X-21]=Eric's age

Therefore, X-21= 2*[4/5(X)-21]=Eric's age Substitution

_______________________________________________________________________

X-21= 8/5 X - 42 Solve for "X" by adding 42 to both sides.

X-21+42=(8/5) X

X+21 = (8/5)X Subtract "X" from both sides.

21=(3/5)X Multiply both sides of equation by reciprocal of (3/5), which is 5/3

21*(5/3)= X Finish the problem to find value of "X," which is Eric's age.

Then find 4/5 (X)= Seth's age

8 0

2 years ago

Read 2 more answers

X+2 X-2 2x+y x + 1 what’s the answer

icang [17]

Answer:

( 3x - 2, 2x ± yx ) ± 1

Step-by-step explanation:

5 0

3 years ago

Help me find surface area of this shape

lozanna [386]

The triangle pyramid is made up of 4 triangles.

------------------------------------
Formula:
------------------------------------
Area of triangle = 1/2 x base x height

------------------------------------
Area of the bottom triangle:
------------------------------------
Area = 1/2 x 9 x 7.8
Area = 35.1 yd²

------------------------------------
Area of the 3 side triangles:
------------------------------------
Area = 3 [ 1/2 x 9 x 10 ]
Area = 135 yd²

------------------------------------
Total Area:
------------------------------------
Total Area = 135 + 35.1
Total Area = 170.1 yd²

------------------------------------------------------------------------
Answer: Surface Area = 170.1 yd².
------------------------------------------------------------------------

4 0

3 years ago

Jon caught four fish that weighed a total of 252 pounds. The kingfish weighed twice as much as the amberjack and the white marli

Allushta [10]

Answer:

amberjack, 21 lbs
kingfish, 42 lbs
white marlin, 84 lbs
tarpon, 105 lbs

Step-by-step explanation:

Let k, a, m, t represent the weights of the kingfish, amberjack, marlin, and tarpon, respectively. The problem statement tells us ...

k = 2a
m = 2k
t = 5a
k + a + m + t = 252

Using substitution, we can rewrite the last equation as ...

... (2a) + (a) + 2(2a) + (5a) = 252

... 12a = 252 . . . . . collect terms

... a = 21 . . . . . . . . .divide by 12

Then k = 2a = 42; m = 2k = 84; t = 5a = 105.

8 0

3 years ago