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3 years ago

You need half a liter of milk how many millimeters do you need

Mathematics

1 answer:

never [62]3 years ago

8 0

Proably about 500 milleleters

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suppose a triangle has two sides of length 2 and 3 and that the angle between these two sides is 60. what is the length of the t

arlik [135]

Answer:

√7 ≈ 2.646

Step-by-step explanation:

The law of cosines is applicable. It tells you ...

c² = a² + b² - 2ab·cos(C) . . . . . where a, b, c are triangle side lengths, and angle C is opposite side c.

Filling in the given information, you have ...

c² = 2² + 3² - 2·2·3·cos(60°) = 4 + 9 - 12·(1/2) = 7

c = √7 ≈ 2.646

The length of the third side is √7, about 2.646 units.

3 0

4 years ago

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Solve the system by substitution. x= -5y - 6 5x – 3y = -2 What’s is the solution?

Alecsey [184]

(-1,-1)

I recommend photomath, it helps with all equations!

7 0

3 years ago

Pls helpppp!! due tonight :( 2/j+3=4/5

Natali5045456 [20]

Answer:

2×5 = 4×(j+3)

10 = 4j + 12

10 - 12 = 4j.

-2 = 4j.

j = -2/4.

j= -0.5 or -1/2

4 0

3 years ago

1/4 + 3 = ?? What’s the answer??

murzikaleks [220]

Answer:

3.25

Step-by-step explanation:

divide then add 3

5 0

3 years ago

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Find all roots: x^3 + 7x^2 + 12x = 0 Show all work and check your answer.

enot [183]

Answer:

$x=0,x=-4,x=-3$

Step-by-step explanation:

The given equation is

$x^3 + 7x^2 + 12x = 0$

Factoring by x:

$(x^2 + 7x + 12)x = 0$

One of the root is x=0. Let's solve the parentheses.

Expanding the trinomial

$x^2 + 4x+3x + 12=0$

Factoring

$x(x + 4)+3(x + 4)=0$

Factoring

$(x + 4)(x+3)=0$

This will give us the two remaining roots

$x=-4,x=-3$

3 0

3 years ago