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Eva8 [605]
3 years ago
5

The artist will use small congruent square tiles to cover each region without any gaps or overlaps. Based on the information, wh

ich statement is true?
Mathematics
1 answer:
Advocard [28]3 years ago
8 0

Answer:

The number of tiles needed to cover Region Z is the same as the number of tiles needed to cover both Region X and Region Y.

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If it takes 6 hours for a plane to travel 720km with a tail wind and 8 hours to make the return trip with a head wind. Find the
denis-greek [22]

The speed of wind and plane are 105 kmph and 15 kmph respectively.

<u>Solution:</u>

Given, it takes 6 hours for a plane to travel 720 km with a tail wind and 8 hours to make the return trip with a head wind.  

We have to find the air speed of the plane and speed of the wind.

Now, let the speed wind be "a" and speed of aeroplane be "b"

And, we know that, distance = speed x time.

\text { Now, at tail wind } \rightarrow 720=(a+b) \times 6 \rightarrow a+b=\frac{720}{6} \rightarrow a+b=120 \rightarrow(1)

Now at head wind → 720=(a-b) \times 8 \rightarrow a-b=\frac{720}{8} \rightarrow a-b=90 \rightarrow(2)

So, solve (1) and (2) by addition

2a = 210

a = 105

substitute a value in (1) ⇒ 105 + b = 120

⇒ b = 120 – 105 ⇒ b = 15.

Here, relative speed of plane during tail wind is 120 kmph and during head wind is 90 kmph.

Hence, speed of wind and plane are 105 kmph and 15 kmph respectively.

6 0
3 years ago
Hello pls help I'm dumb thx it's pre calc
Bumek [7]
(f-g)(x)=f(x)-g(x)=
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answer is A
3 0
3 years ago
Will mark brainliest! Answer quickly please.
inn [45]
1400kg.
Force=ma
2100N= m*1.5
2100/1.5= 1400kg.
Please mark me brainliest :)
3 0
2 years ago
Two sides of a parallelogram are 110 feet and 850 feet. The measure of the angle between these sides is 157°. Find the area of t
LiRa [457]

Answer:

Step-by-step explanation:

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3 years ago
Is the square root of 5 times the square root of 5 rational?
jeka57 [31]
 No 20.0000004 cannot be rational.
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3 years ago
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