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Aneli [31]
2 years ago
5

The zoo needs to replace some of the railroad tracks that support their train ride. The total length of the track is 500 feet,

Mathematics
1 answer:
Darya [45]2 years ago
3 0

Answer:

293 feet.

Step-by-step explanation:

Their track is 500 feet, and there are three sections. Add these sections(61+83+63=207) and subtract from the total(500-207=293)

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A sailboat travels 48 miles upstream in 6 hours and return back downstream in 4 hours. What is the speed of the boat in still wa
Kipish [7]
Let s be the speed of the boat in still water.
Let c be the speed of the current.
s - c = 48/6 = 8
s + c = 48/4 = 12
Adding the two equations, we get:
2s = 20
s = 10
The answer is 10 miles per hour.
4 0
3 years ago
In the figure below, segment AC is congruent to segment AB.
sattari [20]

Answer:

Option B is correct.

Angle DAC is congruent to angle DAB

Step-by-step explanation:

Given: Segment AC is congruent to segment AB.

In  ΔABD and ΔACD

AB \cong AC    [Given]

[Congruent sides have the same length]

AB = AC         [Side]

AD = AD        [Common side]

\angle DAC =\angle DAB      [Angle]

Side Angle Side(SAS) Postulate states that if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent.

Then by SAS,

\triangle ABD \cong \triangle ACD

By CPCT [Corresponding Parts of congruent Triangles are congruent]

then;

\angle ABD \cong \angle ACD

therefore, only statement which is used to prove that angle ABD is congruent to angle ACD is: Angle DAC is congruent to DAB

4 0
3 years ago
Read 2 more answers
-1/2+c=31/4<br><br> A. C=33/4<br> B. C=8<br> C. 29/4<br> D. 7
kkurt [141]

Answer:

A

Step-by-step explanation:

-1/2+c=31/4

-1/2+c+1/2=31/4+1/2

c=33/4

4 0
3 years ago
If x=-24and y=6 what is the value of the expression |x+y|
gizmo_the_mogwai [7]

Answer:

-18,18

Step-by-step explanation:

|-24+6|= -18

and also 18 because of absolute value.

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2 years ago
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Answer:

About 4% was his saving before tax

Step-by-step explanation:

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2 years ago
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