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IrinaK [193]
3 years ago
7

Can someone pls help me with this?

Mathematics
2 answers:
weqwewe [10]3 years ago
5 0

Answer:

B

Step-by-step explanation:

Hey There!

The answer is B because that is where there was no movement on the graph meaning that she stopped walking during that time period.

Hatshy [7]3 years ago
4 0

Answer:

Between 1 and 3 seconds

Step-by-step explanation:

There is no change in distance ( change in y ) between 1 and 3, so she wasn't walking during that time

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3 years ago
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Find the exact value of sin-1 the quantity square root of three divided by two
kykrilka [37]

Answer:

Answer is 60 degrees.

Step-by-step explanation:

We know that in a right angled triangle if one leg is 1, and hypotenuse is 2,

then other leg = \sqrt{2^2-1^2 } =\sqrt{3}

(By using Pythagorean theotrem)

Now consider a right angle triangle with hypotenuse 2 and one leg 1, and the angle between other leg and hypotenuse.

Since sin 30 = 1/2 we have cos 60= sin (90-60) = 1/2

Hence sin 60 = rt 3 /2

Using the above we get sin inverse of quantity square root of three divided by two is 60 degrees.

8 0
4 years ago
How do I solve these?
dimulka [17.4K]
Solve liek a normal equation, except when you divide or muliply by a negative, flipi the sign direction


10.
divide both sides by -3
flip sign
p-7≤-7
add 7 to both sides
p≤0
so put a circle at 0 and shade it in and shade to the left and draw an arrow there (see attachment)



12.
times both sides by 15
-9+a>15
add 9 to both sides
a>24
put an open circle at 24 and go to the right (see attachment)

3 0
3 years ago
2/3x=1/3 whats the awnser
alina1380 [7]

Answer:

1/2

Step-by-step explanation:

I think so im not sure tho so sorry if its incorrect

7 0
3 years ago
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The foot of a 24 ft ladder is placed 6 ft from the base of a building, determine at what height the
Rufina [12.5K]

Answer:

12.6491106

Step-by-step explanation:

 

With respect to the angle formed by the bottom of the

ladder with the ground

  cos T = 6/14 = 3/7  

 T = inverse-cosine(3/7) = 64.623006647 degrees

 

 sin(64.623006647) = h/14

 

 h = 14*sin(64.62300647) = 12.6491106

3 0
3 years ago
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