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3 years ago

BRAINLIEST!!!

Mathematics

2 answers:

Trava [24]3 years ago

4 0

Answer:

I think the answer would be option C.

Step-by-step explanation:

in option A.the centre is not point A.

in option B.the centre is point A. but is not dialated by 0.75.

in option C.the centre is again point A. and is dialated by 0.75

in option D.the centre is point A. but has dialated more than 0.75

MariettaO [177]3 years ago

3 0

Answer:

the answer is c and please get the brainliest to ben

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4 years ago

In MATHEMATICS ...write the empirical formula.

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3 years ago

Phil had 93 dollars, and his sister owed 10 dollars to her friend. How much should Phil give to his sister for each of them to h

slavikrds [6]

Answer:

$51.50

Step-by-step explanation:

Let the amount that Phil give to her sister be $x$

After Phil's sister pays her debt of 10, Phil and her sister should have EQUAL amount. So we can write the equation as:

$93-x=x-10$

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Hence, Phil must give $51.50 to her sister.

5 0

3 years ago

I need help QUICK. I dont know this

iris [78.8K]

The answer is C i believe

3 0

3 years ago

A plane averaged 800 mph on a trip going east, but only 400 mph on the return trip. The total flying time in both directions wa

galina1969 [7]

Answer:

1200 miles.

Step-by-step explanation:

Let d represent one way distance.

We have been given that a plane averaged 800 mph on a trip going east, but only 400 mph on the return trip.

$\text{Time}=\frac{\text{Distance}}{\text{Speed}}$

The time taken while going east would be $\frac{d}{800}$ .

The time taken while returning back would be $\frac{d}{400}$ .

Since the total flying time in both directions was 4.5 hr, so we will equate sum of both times with 4.5 as:

$\frac{d}{800}+\frac{d}{400}=4.5$

Make a common denominator:

$\frac{d}{800}+\frac{d*2}{400*2}=4.5$

$\frac{d}{800}+\frac{2d}{800}=4.5$

$\frac{d+2d}{800}=4.5$

$\frac{3d}{800}=4.5$

$\frac{3d}{800}\times \frac{800}{3}=4.5\times \frac{800}{3}$

$d=1.5\times \frac{800}{1}$

$d=1200$

Therefore, the one-way distance was 1200 miles.

5 0

3 years ago