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3 years ago

Can someone help me with this? I literally cant think today. ;-; Thanks if you answer it correctly. ಥ‿ಥ

Mathematics

1 answer:

AleksandrR [38]3 years ago

4 0

Answer:

The slope is 300

Step-by-step explanation:

Rise over run we see two points how many times do we rise and run to get there?

(Slope= rise/run)

So you rise 300 times (Since half of 600 is 300) then you run 1 time which is 300/1 which is 300

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If quadrilateral ABCD rotates 90° counterclockwise about the origin, what are the coordinates of A′ in quadrilateral A′B′C′D′ ?

Vesna [10]

Answer:

Option B is correct.

The coordinate of A' is (-2 , -1)

Explanation:

The coordinates of ABCD are A = (-1,2) , B(1,1) , C =(1,-1) and D(-2,-2).

Rotation means moving the shape around a fixed point clockwise or anticlockwise, and by a certain number of degrees.

Rule for 90° counterclockwise rotation about the origin: $(x,y) \rightarrow (-y,x)$

or we can say that switch x and y in the coordinates and make y value opposite.

Then, the coordinate of A' :

$A(-1,2) \rightarrow A'(-2 ,-1)$

Therefore, the coordinate of A' in the quadrilateral A'B'C'D' is, (-2 ,-1)

6 0

4 years ago

Read 2 more answers

There are 45 students in an elementary statistics class. On the basis of years of experience, the instructor knows that the time

zheka24 [161]

Answer:

Step-by-step explanation:

Let X be the random variable for the time needed to grade a randomly chosen first examination paper

X is N(5, 4)

Time taken=11.00-6.50=4hours 10 min=25/6 hours

P(X<25/6) =P(Z< $\frac{\frac{25}{6}-5 }{4} =P(Z$

=0.5-0.0832=0.0168

b) Time >11.10-6.50 = 4 hours 20 mint = 13/3 hours

P(X>13/3) = P(Z>-0.16) = 0.5636

6 0

3 years ago

In a quadrilateral, three of the angles are obtuse. Which of the following could not be the angle measure of the fourth angle?

Luba_88 [7]

If an angle it is obtuse it is between 90 and 180.

Angles in a quadrilateral add up to 360.

Therefore 3 obtuse angles must add up to AT LEAST 273 and if you then added the 90 it would get you to 363 which is too large so it cant be 90 :)

3 0

3 years ago

The diagram shows a wooden prism of height 5cm.

igomit [66]

Answer:

280.8997

Step-by-step explanation:

cross section = 2*15*5+2*(25/360)*15*15*pi+5*(25/360)*2*pi*15

= 280.8997

5 0

3 years ago

You've been given a scholarship of $10,000. If you invent it at a 3.4% annual interest rate, how much interest will you have ear

Setler79 [48]

You can do this by multiplying 10000 by 103.4 percent
10,000 times 100 percent is 10,000 so 10,000 times 103.4 percent is the extra 3.4 percent
You would have earned 340 dollars in a years time

5 0

4 years ago