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3 years ago

Find the "i" in here for brainlyest and 50 points! (Underline it) NOT IN THE QUESTION IN THE GROUP OF l's

Mathematics

2 answers:

liubo4ka [24]3 years ago

7 0

Answer:

Found it

its the one that’s not caps

Step-by-step explanation:

llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllillllllllllllllllllllllllllllllllllllllllllllllllllIlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll

hichkok12 [17]3 years ago

4 0

Answer:

Wow

Step-by-step explanation:

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If it takes 6 hours for a plane to travel 720km with a tail wind and 8 hours to make the return trip with a head wind. Find the

denis-greek [22]

The speed of wind and plane are 105 kmph and 15 kmph respectively.

Solution:

Given, it takes 6 hours for a plane to travel 720 km with a tail wind and 8 hours to make the return trip with a head wind.

We have to find the air speed of the plane and speed of the wind.

Now, let the speed wind be "a" and speed of aeroplane be "b"

And, we know that, distance = speed x time.

$\text { Now, at tail wind } \rightarrow 720=(a+b) \times 6 \rightarrow a+b=\frac{720}{6} \rightarrow a+b=120 \rightarrow(1)$

Now at head wind → $720=(a-b) \times 8 \rightarrow a-b=\frac{720}{8} \rightarrow a-b=90 \rightarrow(2)$

So, solve (1) and (2) by addition

2a = 210

a = 105

substitute a value in (1) ⇒ 105 + b = 120

⇒ b = 120 – 105 ⇒ b = 15.

Here, relative speed of plane during tail wind is 120 kmph and during head wind is 90 kmph.

Hence, speed of wind and plane are 105 kmph and 15 kmph respectively.

6 0

3 years ago

What is the value of f(x) when x=3? -3 o -2 o 1 O

Svetach [21]

The answer is -3 darling

3 0

3 years ago

The corners of a square lie on a circle of diameter d = 0.35 m. each side of the square has a length l. find l.

sergeinik [125]

Refer to the attached image.

As we can observe ABCD is a square, whose corners that is A,B,C and D lie on the circle.

The diameter AC = 0.35 meter.

We have to find the side of square.

Let the measure of side of a square be 'l' meter

In triangle ABC,

By Pythagoras theorem, we get

$(AC)^2 = (AB)^2 + (BC)^2$

$(0.35)^2 = (l)^2 + (l)^2$

$(0.35)^2 = 2(l)^2$

$\frac{(0.35)^2}{2} = (l)^2$

$l^2 = 0.06125$

So, l = 0.25 meter

Therefore, the measure of side of the square is 0.25 meter.

6 0

3 years ago

Triangle ABC, with A = (-2,3) B = (-4,1) and C = (-3,5), is rotated 90- clockwise about the origin to make Triangle A'B'C'. What

nikdorinn [45]

Answer:

Step-by-step explanation:

-1

6 0

3 years ago

Solve each inequality below. Represent the solutions on number lines. 7x − 2 < 3 + 2x

LekaFEV [45]

Hi, I would be glad to help you here.

7x − 2 < 3 + 2x

Move terms

7x - 2x - 2 < 3

Collect the like terms

(7x - 2x) = 5x (<3 + 2 stays the same)

Calculate

5x (<3 + 2 = 5)

5x <5

Divide both sides of the inequality by (5) giving you,

x < 1

So, finally in a total the correct answer here is (x < 1)

6 0

3 years ago