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cestrela7 [59]
3 years ago
11

VERY EASY, WILL GIVE 50 POINTS FOR CORRECT ANSWER ASAP AND WILL GIVE BRAINLIEST.

Mathematics
2 answers:
mario62 [17]3 years ago
7 0

Answer:

Coordinates switch, and the new y-coordinate changes sign

Explanation:

We have point A with the coordinates (-1,2), when we rotate it c90º it becomes (2,1).

What happened? The coordinates switched and the x-coordinate of A (-1) became the y-coordinate of A' (1) and it changed its sign.

Sever21 [200]3 years ago
3 0

Answer:

A. The coordinates switch and the new x-coordinate changes sign

Step-by-step explanation:

Hope this helps! ✌️

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malfutka [58]
5/8 divided by 5 is 0.125
5 0
3 years ago
A cyclist travels at a speed of 20 km/hour. How far will he travels in 50 <br><br>minutes?​
masha68 [24]

Answer:

This is not my answer btw

Step-by-step explanation:

Given that speed(v) = 20km/h and time(t) = 50 min

We have to find distance (d)

First convert speed into m/s

v = (20*1000m)/(1*3600s)

v = (50/9) m/s

Now convert time into second

t = 50*60 = 3000 sec

As we know that

d = v*t = (50/9)*3000 = 50000/3

d = 16666.67m or 16.67km

Ans: 16666.67m or 16.67km

3 0
3 years ago
Joianie beleives that you cannot use cross products to solve the proportion 50/3 = 75/x for x. She says
BigorU [14]

Answer:

4.5 It doesn't come out evenly, but cross products do work.

Step-by-step explanation:

She is not correct.

50 * x = 3 * 75              Combine the right

50x = 225                    Divide by 50

x = 225/50

x = 4.5

6 0
3 years ago
Can see please help me with the 2 equations (in the picture) find x
Lunna [17]

Answer:

1. x = 2

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Step-by-step explanation:

8 0
3 years ago
Multiply 8-2x/5* 45x^3+90^2/10x^2-20x-80
lys-0071 [83]

Answer:

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