MATHEMATICS MIDDLE SCHOOL

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Answers

Answer 1

Answer:

Answer:

$\cos 60= (1)/(2)$

$\tan 60 = √(3)$

Step-by-step explanation:

See the diagram given with the question first.

Here we are given a right triangle with two angles other than the right angle are 60° and 30°.

The length of the side opposite to 30° is 4 and the side opposite to 60° is 4√3 and automatically the length of the hypotenuse is 8.

Now, $\cos 60= (Base)/(Hypotenuse) = (4)/(8) = (1)/(2)$

Again. $\tan 60 = (Perpendicular)/(Base) =(4√(3) )/(4) =√(3)$

(Answer)

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Use substitution to solve the system of equations below. Input your answer for x.x + 3y = 16
2x - y = 4

Answers

{ x + 3 y = 16
2x - y = 4

Isolate x for x + 3y = 16 :

x = 16 - 3y

Subsititute x = 16 - 3y

[ 2 ( 16 - 3y ) - y = 4 ]

isolate y for :

2(16 - 3y ) - y = 4

y = 4

For x = 16 - 3y

subsititute y = 4

x = 16 - 3 * 4

x = 16 - 12

x = 4

Solution:

x = 4 and y = 4

hope this helps!.

What is a brown, Has a Hump, And Lives at the North Pole?

Answers

That answer would of course have to be a reindeer

Walrus is the answer because they have a hump are brown and also live in the north pole

Francisco had 4.5 L of orange juice for a party. He needed a total of 6 L for all of his guests, so he made 1.5 L more juice. Did Francisco make a reasonable amount of juice for the party? NEED HELP!

A.
Yes, Francisco made a reasonable amount because he made 1.5 L more so he had 6 L of juice (4.5 + 1.5 = 6).

B.
No, Francisco did not make a reasonable amount because he needed a total of 10.5 L (4.5 + 6 = 10.5).

C.
No, Francisco did not make a reasonable amount because he needed a total of 7.5 L of juice (6 + 1.5 = 7.5).