Help ASAP Science/ Math..... Bill and Amy want to ride their bikes from their neighborhood to school which is 14,400 meters away. It takes Amy 2400 seconds to arrive at school. Bill arrives 1200 seconds after Amy. How much faster (in meters/ seconds) is Amy's average speed for the trip?

Answers

Answer 1

Answer:

Answer:

Amy is 1200 seconds fater than Bill.

Step-by-step explanation:

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The peak value of sinusoidal ac current of 4.78rms is a. 5.45 amp b. 6.76 amp c. 4.56 amp d. 4.78 amp
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The side lengths of a triangle are 40, 50, and 80. What are the angle measures in the triangle?a) 30°, 60°, and 90° b) 60°, 60°, and 60° c) 45°, 45°, and 90° d) None of these.
What is 9×9 please help me

Which number line represents the solutions to |x – 5| = 1?

Answers

i have the same question heres the lines

Answer:

Second option

What is the mechanical advantage of a ramp that is 5 m long and 1.5 m high

Answers

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Solve the logarithmic equation. be sure to reject any value that is not in the domain of the original logarithmic expressions. give the exact answer. log8(5x + 8) = log8(5x + 5)

Answers

this is the answer: false, because the domain is incorrect

Right Isosceles Triangle ABC has a hypotenuse of length h. Line segment DE is a midsegment with length 4x. What is the perimeter of triangle ABC?

Answers

If it is parallel to the hypotenuse, then the hypotenuse is twice as long. So h = 8x
Then the legs will be (8x)/sqr(2). Since the triangle is a 45-45-90

So the perimeter = 8x + (8x)/sqr(2)+ (8x)/sqr(2)
=8x+ 16x/sqr(2)
=8x+ 8xsqr2

2)if the midsegment Is parallel to a leg, then each leg = 8x and the hypotenuse = 8x sqr2

Then the perimeter is 8x + 8x + 8xsqr2
= 16x+ 8xsqr2

Bryan purchased two triangular wall shelves. The sides of each shelf are 8 inches, 10 inches, and 12 inches. He's trying to build a similar, larger triangular shelf to hang between the smaller ones. Which of the dimensions can Bryan use for the larger shelf so that it is similar to the ones he purchased? Justify why the three triangles are similar.A) 4 inches, 5 inches, and 6 inches; All of the side lengths of the smaller triangles have been multiplied by 1/2 which guarantees side-side-side similarity
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B) 16 inches, 20 inches, and 24 inches; All of the side lengths of the smaller triangles have been multiplied by 2, which guarantees side-side-side similarity.
C) 16 inches, 20 inches, and 24 inches; All of the side lengths of the smaller triangles have been multiplied by 2, which guarantees side-angle-side similarity.
D) 16 inches, 20 inches, and 24 inches; All of the side lengths of the smaller triangles have been multiplied by 2, which guarantees angle-angle-side similarity.

Answers

The correct answer is letter B) 16 inches, 20 inches, and 24 inches; All of the side lengths of the smaller triangles have been multiplied by 2, which guarantees side-side-side similarity. Similar angles shows congruence when their sides are proportional.

Answer:

(B) 16 inches, 20 inches, 24 inches; All the side lengths of the smaller triangles have been multiplied by 2, which guarantees side-side-side similarity.

Step-by-step explanation:

The sides of the triangular wall shelves are given as 8 inches, 10 inches and 12 inches. In order to build a larger, similar triangle he must multiply the sides of the triangle wall by 2 so that it follows the similarity conditions,that is:

$(16)/(8) =(20)/(10)=(24)/(12) =(2)/(1)$

Since, we were given the sides of the triangular wall shelves, therefore the new triangle formed will also be formed of three sides.

Hence, Option (B) is correct in which all the sides of smaller triangles are multiplied by 2 which guarantees side-side-side similarity.

Can you tell me what 6+3.9 is

Answers

Answer:

9.9

Step-by-step explanation:

6 + 3.9 = 9.9

you add the two whole numbers together and get 9

then you need to add whatever is behind the decimal point which is 9

add them together and you get 9.9

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