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3 years ago

Hhhhhheeeeeelllllllllpppppp

Mathematics

1 answer:

goldfiish [28.3K]3 years ago

7 0

$3.15 if I’m correct

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Flying against the wind, an airplane travels 3060 kilometers in 3 hours. Flying with the wind, the same plane travels 7560 kilom

cluponka [151]

Answer:

The speed of plane against wind S 1 = 1020 kmph And

The speed of plane with wind S 2 = 1260 kmph

Step-by-step explanation:

Given as :

The distance of airplane against the wind = D 1 = 3060 km

The time taken in against the wind = T 1 = 3 hours

The distance of airplane with the wind = D 2 = 7560 km

The time taken in with the wind = T 2 = 6 hours

Now, Speed of plane against the wind = $\frac{Distance}{Time}$

So, S 1 = $\frac{D 1}{T 1}$

Or, S 1 = $\frac{3060}{3}$ = 1020 kmph

Similarly

Speed of plane with the wind = $\frac{Distance}{Time}$

Or, S 2 = $\frac{D 2}{T 2}$

Or, S 2 = $\frac{7560}{6}$ = 1260 kmph

Hence The speed of plane against wind S 1 = 1020 kmph And

The speed of plane with wind S 2 = 1260 kmph Answer

8 0

4 years ago

Is this equation an identity?<br><br> -5w − 8 = 1 − 2w

Flauer [41]

Answer:

-3w = 9

w = -3

yes, it is an identity

8 0

4 years ago

The center of a circle is at (−5, 2) and its radius is 7. What is the equation of the circle?

Rainbow [258]

Answer:

(X+5)^2 + (Y-2)^2 =49

Step-by-step explanation:

Equation of the circle

(X-a)^2+(Y-b)^2= r^2

Center=(-5 ; 2) , so : a= -5 y b=2

y r=7

4 0

4 years ago

A number of b divided by -3 is greater than or equal to 6

Kay [80]

Answer: b ≤ -18

<u>Step-by-step explanation:</u>

Isolate the variable by multiplying both sides by -3. Remember that when you multiply or divide by a negativem the symbol flips.

$\dfrac{b}{-3}\geq6\\\\\\\dfrac{b}{-3}(-3)\geq6(-3)\\\\\\\large\boxed{b\leq-18}$

3 0

4 years ago

Help and i will give you brainliest and points

Blababa [14]

9514 1404 393

Answer:

ML = 7.5

Step-by-step explanation:

The parallel lines divide the transversals proportionally.

ML/LK = JH/HG

ML/10 = 6/8

ML = 10(6/8) = 7.5

The length of ML is 7.5.

We don't need to solve for x. If ML = x-2, then x=9.5.

6 0

4 years ago