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Olenka [21]
2 years ago
14

GEOMETRY HELP PLEASE!

Mathematics
1 answer:
Mariana [72]2 years ago
5 0

Answer:

(1, 2 )

Step-by-step explanation:

Under a reflection in the x- axis

a point (x, y ) → (x, - y ), thus

C(1, - 2 )  → C'(1, 2 )

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GIVING AWAY 50 POINTS!!! PLEASE HELP ME FINISH THIS, I AM ON A TIME LIMIT TO GET THIS DONE!!
Scilla [17]
1. 180 miles in 4 hours
180÷4=45 miles an hour
For the train to travel in 7 hrs
45*7=315
2. =3/4
3. B. II & III
4 0
3 years ago
A military jet flying with the wind travelled 1500 km in 1.5 hrs, but when the plane turned around, it took 1.875 hours to retur
juin [17]

Answer:

With wind = 1000 km /hr

In calm air = 800 km/hr

Step-by-step explanation:

With wind :

Distance traveled = 1500 km

Time taken = 1.5 hours

Speed of plane in air :

Speed = distance / time

Speed = 1500 km / 1.5 hours

Speed = 100 km pe hour

In calm air :

Time taken = 1.875 hours

Distance = 1500 km

Speed of wind in calm air :

Distance / time

1500 km / 1.875

= 800 km/hr

5 0
3 years ago
I have 2 similar right angle triangles, CDE and ADG. The length of CDE's hypotenuse is 1/3 the length of ADG's hypotenuse. The a
Orlov [11]
<span>lengths are in ratio 1:3
areas are in ratio
1 : 3</span>²<span> = 1: 9
area of ADG = 9 x 42 = 378 </span>
8 0
3 years ago
Solve for x:<br> please help me
solniwko [45]

Answer:

x = 10

Step-by-step explanation:

We know that is a right angle which is 90 degrees.

we know one angle is 30 degrees.

So take 90- 30 = 60

now we solve for 6x

6*10 = 60 and 60+30=90

x = 10

3 0
2 years ago
Read 2 more answers
4. Kristina is allowed to have a friend sleep over every 3rd weekend,
PSYCHO15rus [73]

Answer:

6

Step-by-step explanation:

You must find the least common multiple of their schedules.

The numbers 3 and 2 are their own prime factors, so the least common multiple of 3 and 2 is 6.

Six weekends must pass until they can both have someone over on the same night.

The number line below shows that the first time their sleepovers coincide is Week 6.

3 0
2 years ago
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