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Y_Kistochka [10]
3 years ago
9

PLZZZ HELP ME

Mathematics
1 answer:
tangare [24]3 years ago
4 0
Cfccc Heath subject is this. H
You might be interested in
Please help me !!!!
liq [111]

Answer:

...

against the wind, an airplane travels 3640 km in 7 hours.

with the wind, the same plane travels 6000 km in 6hrs.

...

let speed of plane in still air be x mph

speed of wind be y mph.

..

t=d/r

..

against wind speed = x-y mph

with wond speed = x=y mph

...

3640/(x-y)=7

3640 = 7x-7y

/7

520=x-y.....................1

...

6000/x+y = 6

6000 = 6x+6y

/6

1000=x+y.....................2

...

Add (1) & (2)

2x=1520

/2

x=760 mph speed of plane in still air

...

plug value of x in 2

1000=760+y

100-760=y

240 = y

240 mph speed of wind

8 0
3 years ago
Round to the nearest tenth
yan [13]

<em>Note: I am assuming we have to determine the value of the side 'x'.</em>

Answer:

The value of x = 8.1 units

Step-by-step explanation:

<em>Note: I am assuming we have to determine the value of the side 'x'.</em>

Given

Angle Ф = 32°

To determine:

x = ?

Using the trigonometric ratio

tan Ф = opposite / adjacent

here

Ф = 32°

opposite to angle 32°  = x

adjacent to angle 32° = 13

Therefore,

substituting adjacent = 13, Ф = 32°, opposite = x in the equation

tan Ф = opposite / adjacent

\tan \left(32^{\circ \:}\right)=\frac{x}{13}

\:x\:=\:13\:\times tan\:32^{\circ }\:

x = 8.1 units      tan 32° = 0.62

Therefore, the value of x = 8.1 units      

7 0
3 years ago
P is a prime number and q is a positive integers such that p + q = 1696 IF P and Q are co primes and their Lcm is 21879 Then fin
Stolb23 [73]

Answer:

P = 1 3  

Q = 1 6 8 3

Step-by-step explanation:

through factorization of 21879

4 0
3 years ago
Is a triangle with two 45 degree angles unique
notka56 [123]

Answer:

No. It's just a 90° angle.

Step-by-step explanation:

6 0
3 years ago
How do you translate nine equals the quotient of a number and 54
NeX [460]

Answer:

9 = \frac{n}{54} <em>or</em> n ÷ 54

Step-by-step explanation:

<u>nine equals</u> the quotient of a number and 54

       /\

9 = <u>the quotient</u> of a number and 54

             /\

9 =       <u>will be division of a number and 54</u>

                                /\

                    9 = \frac{n}{54} <em>or</em> n ÷ 54

Have a nice day!

    I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

5 0
3 years ago
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