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3 years ago

I will give you 78 points if you can get this right

Mathematics

2 answers:

DIA [1.3K]3 years ago

8 0

Step-by-step explanation:

Scale factor(k)=image length/corresponding object length

k=6/3=2 and 8/4=2

The scale factor is 2

Andrews [41]3 years ago

6 0

Answer:

2:1

Step-by-step explanation:

Since the sides doubled in length, the scale is 2 to 1.

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An airplane flies 750 miles due west in 1 1! 2hours and 750 miles due south in 2 hours. what is the average speed of the airplan

LiRa [457]

Use the Pyth. Theorem to calculate the total distance flown by the plane in 3 1/2 hours:

d = sqrt(750^2 + 750^2) = 750sqrt(2) miles

Now divide this distance by the total time (3 1/2 hours):

750sqrt(2) miles
---------------------- = 303 miles per hour average
3.5 hours

3 0

3 years ago

Can someone help please

Trava [24]

9514 1404 393

Answer:

16.4

Step-by-step explanation:

The law of cosines is useful here. It tells you ...

b^2 = a^2 + c^2 -2ac·cos(B)

b^2 = 22^2 +10^2 -2·22·10·cos(44°)

b^2 ≈ 267.49

b ≈ √267.49 ≈ 16.35514

b ≈ 16.4

4 0

3 years ago

Calculate the monthly payment for a $14,790 auto loan over four years at 6.9% annual interest.

Svet_ta [14]

Answer:

352.05

Step-by-step explanation:

I don't know how to interpret the equation you wrote and so I just used annuities

I have attached my work below

3 0

3 years ago

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Probability help!!!!!

nirvana33 [79]

Let A be the event $A=\{choosing \;an \;odd \;number\}$ and B be the vent $B=\{choosing \;an \;even \;number\}$ . Since the intersection of the events $A\cap B=\phi$ , the events A and B are mutually exclusive.

The number is either odd or even. Since $P(A)+P(B)=1$ , the events are mutually exclusive and exhaustive.

Correct choice is "the number is either odd or even".

7 0

3 years ago

How much higher is Checkpoint 5 than Checkpoint 2?

Akimi4 [234]

You have to find the difference in height between both checkpoints. To do this just calculate 196 - 52. Checkpoint 5 is 144 (meters?) higher than Checkpoint 2.

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3 years ago

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