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2 years ago

Part A

Mathematics

2 answers:

kodGreya [7K]2 years ago

8 0

What was the answer?

nadezda [96]2 years ago

6 0

Answer : a person born in a certain place or country

the word 'native' means "of indigenous origin or growth".

John James was of French origin although he was born in America.So, his native country would be France to which he finally shifted when he was 25 years old.

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Which statement is false?

Karolina [17]

Answer:

D is the correct answer

Step-by-step explanation:

Not all rectangles are squares.

4 0

3 years ago

Read 2 more answers

A student on a piano stool rotates freely with an angular speed of 2.85 rev/s . The student holds a 1.50 kg mass in each outstre

Vlad1618 [11]

Answer:r'=0.327 m

Step-by-step explanation:

Given

$N=2.85 rev/s$

angular velocity $\omega =2\pi N=17.90 rad/s$

mass of objects $m=1.5 kg$

distance of objects from stool $r_1=0.789 m$

Combined moment of inertia of stool and student $=5.53 kg.m^2$

Now student pull off his hands so as to increase its speed to 3.60 rev/s

$\omega _2=2\pi N_2$

$\omega _2=2\pi 3.6=22.62 rad/s$

Initial moment of inertia of two masses $I_0=2mr_^2$

$I_0=2\times 1.5\times (0.789)^2=1.867$

After Pulling off hands so that r' is the distance of masses from stool

$I_0'=2\times 1.5\times (r')^2$

Conserving angular momentum

$I_1\omega =I_2\omega _2$

$(5.53+1.867)\cdot 17.90=(5.53+I_o')\cdot 22.62$

$I_0'=1.397\times 0.791$

$I_0'=5.851$

$5.53+2\times 1.5\times (r')^2=5.851$

$2\times 1.5\times (r')^2=0.321$

$r'^2=0.107009$

$r'=0.327 m$

7 0

3 years ago

Solve |x| + 7 < 4. <br> ........................

Fynjy0 [20]

Hello :
<span>|x| + 7 < 4.
</span><span>|x| < 4.-7
</span>|x| < -3
no reals solutions because for all reals x : |x| <span>≥ 0</span>

8 0

3 years ago

If the lengths of the legs of a right triangle are 3 and 10−−√, what is the length of the hypotenuse?

Ganezh [65]

The required length of the hypotenuse of the triangle is √19.

<h3>What is a right triangle?</h3>

A right triangle, sometimes known as a right-angled triangle, or more formally an orthogonal triangle, formerly known as a rectangle triangle, is a triangle with one right angle or two perpendicular sides.

To find the required length of the hypotenuse of the triangle:

Legs in the right triangle refer to the perpendicular and base.

Hypotenuse:

$= \sqrt{perpendicular^{2}+base^{2} } \\= \sqrt{3^{2}+\sqrt{10^{2} } } \\=\sqrt{19}$

Therefore, the required length of the hypotenuse of the triangle is √19.

Know more about right triangles here:

brainly.com/question/2437195

#SPJ4

3 0

1 year ago

PLEASE SOLVE QUICKLY!

Elodia [21]

Answer:

angle xyb will measure 123 degrees.

Step-by-step explanation:

because we know that angle ayz is 57 degrees and angle xyz is 90, we find that angle xya measures 33 degrees by subtracting 57 from 90. then, we can find angle xyb by subtracting 33 from 180, getting 147 degrees. when we add 147, 33, and 57, we get 237 degrees. finally, we subtract 237 from 360 and get 123 degrees, our final angle. hope this helps:)

4 0

3 years ago