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Alex17521 [72]
3 years ago
10

Mandy works construction. Shes knows that a 5 meter long metal bar has a mass of 40 kg.Mandy wants to figure out the mass (w) of

a bar made out of the same metal that is 3 meters long and the same thickness.
Mathematics
2 answers:
Agata [3.3K]3 years ago
6 0

Answer:

24 kg

Step-by-step explanation:

40/5 = 8 and 3x8 = 24

ch4aika [34]3 years ago
3 0

Answer:

24 kg

Step-by-step explanation:

\frac{5}{40} =\frac{3}{w} \\5w=120\\w=\frac{120}{5}=24

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The three angles of a triangle are in the ratio of 2:3:5. calculate the size of the biggest angle.​
Inessa05 [86]

Answer:

80°

Step-by-step explanation:

The sum of the angles of a triangle is always 180°.

∴ 2x + 3x + 5x = 180°

                  10x = 180°

                     x = 180 / 10

                     x = 18

The biggest angle = 5x

                              = 5 * 18

                              = 90°

Hope this answer was helpful!!

If you liked it, please mark it as the Brainliest!!

Regards..

6 0
4 years ago
If you apply the changes below to the linear parent function, f(x) = x, what is the equation fo the new function?
ad-work [718]

Answer:

D

Step-by-step explanation:

For a function in the form f(x) = x, we can say:

  • the function f(x) = ax is a vertical stretch if a>1 and compress if 0<a<1
  • the function -f(x) is the original, flipped over x-axis

<em>keeping the 2 rules in mind, we can say that</em>

<em>vertical stretch by a factor of 3 would make it f(x) = 3x</em>

<em>Then</em>

<em>flip over x-axis would make it f(x) = -3x</em>

<em />

answer choice D is right

5 0
4 years ago
A squared minus 1/4 is 0. solve for a
Ludmilka [50]

Answer:

a=1/2

Step-by-step explanation:

first we need to isolate a squared. so we add 1/4 to both sides

then you take the square root of a square to get 1/2

to check, 1/2 * 1/2 = 1/4

1/4-1/4 = 0

8 0
4 years ago
Josh is solving the equation 2 % + 2% and predicts that his
gregori [183]
4 5/6 Hope this helps.

You have to find the common denominator for 1/3 & 4/8. & it’s 24. By doing that you have to multiply 3x8, when you do that you also have to multiply 1x 8 so you get 8/24 , same with 4/8 but with three so you get 12/24. Then add your answer 20/24, which equals out to 20/24 which reduces to 5/6. Add 5/6 to 2+2 and you’re left with 4 5/6. Hope this helps.
4 0
3 years ago
2 Points
Mashcka [7]

Answer:

C. It would be shifted up.

Step-by-step explanation:

We base it off the y-intercept. Since -7 is <em>less</em><em> </em><em>than</em><em> </em>1, and our new function has a positive y-intercept, it would indeed be shifted up.

I am joyous to assist you anytime.

5 0
3 years ago
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