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KatRina [158]
3 years ago
13

2+4=what is the answer to 2 + 4

Mathematics
1 answer:
Nitella [24]3 years ago
6 0
I don’t know if this is a joke or not but the answer is 6
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I really need help with this, thank you!!!
Lyrx [107]

Answer:

6. 60°

7. 5.19559

8. 7.96011

Step-by-step explanation:

6. The sum of angles in a triangle is 180°, so the remaining angle is ...

  180° -40° -80° = 60°

7. The lengths of sides are proportional to the sine of the opposite angle (Law of Sines).

  a = c·sin(A)/sin(C) = 7·sin(40°)/sin(60°) ≈ 5.19559

8. Same explanation as 7.

  b = c·sin(B)/sin(C) = 7·sin(80°)/sin(60°) ≈ 7.96011  

3 0
3 years ago
Read 2 more answers
Verify that your point from Question 2 is a solution to 2x-y=-12x−y=−1 AND is also a solution to y=5x-5y=5x−5. What does it mean
Vera_Pavlovna [14]

Answer:

(a) Verified

(b) They are simultaneous equations

Step-by-step explanation:

Given

2x - y = -1

y =5x - 5

Required

Verify that: (x,y) = (2,5) is a solution

We have:

2x - y = -1

Substitute: (x,y) = (2,5)

2 * 2 - 5 = -1

Evaluate all products

4 - 5 = -1

Subtract:

-1 = -1

<em>Because both sides of the equation are equal, then the point is a solution</em>

<em></em>

Also: y =5x - 5

Substitute: (x,y) = (2,5)

5 = 5 * 2 - 5

Evaluate all products

5 = 10 - 5

Subtract:

5 = 5

<em>Because both sides of the equation are equal, then the point is a solution</em>

<em></em>

<em></em>

Because the given point is a solution to both equations, then they are simultaneous equation

7 0
3 years ago
K(-1)= <br> I attached the graph. Please help, thank you in advance.
yanalaym [24]
I think you go to where x=-1 and the y is the answer
5 0
3 years ago
For a more difficult training session, the mass to be pushed is increased to 160 kg. If the players still push with a force of 1
leva [86]

As you already written, you have to use Newton's law

F=ma

where F is the force, m is the mass, and a is the acceleration.

You already know the mass and the force, so you have to solve the equality for the acceleration:

a = \dfrac{F}{m}

plug the given values:

a = \dfrac{150}{160} = \dfrac{15}{16} = 0.9375

8 0
3 years ago
The box-and-whisker plot below represents some data set. What is the range of the
OlgaM077 [116]
30 is the range, you take the maximum and subtract the minimum
8 0
3 years ago
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