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d1i1m1o1n [39]
3 years ago
6

Work out the height of this triangle with base, b = 8mm and area, A= 218.8mm2.

Mathematics
2 answers:
loris [4]3 years ago
5 0
You have to devide 218.8 with the base
h= 218.8 devided by 8mm gives us 27.35 mm and if you multiply 8 by 27.35 it gives you the same answer for the area
Vinil7 [7]3 years ago
3 0

Answer:

54.7

Step-by-step explanation:

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A shop has a piece of ribbon that is 25m long. They need to divide the ribbon into 8 equal pieces. How long will each piece of r
Vedmedyk [2.9K]

Answer:

Each piece will be 3.125m long.

Step-by-step explanation:

To find this, divide the amount of ribbon you have by the amount of pieces that you need.

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3 years ago
How do u do this ? i am so confused and need help
Inessa [10]
For question 9 - It is stating that AE is equal to 38. So the length of the entire line is 38. We then need to look at which figures are actually useful to us, which in this case is AC which is 10. Therefore the answer is as simple as 38-10, which gives us an answer of 28 for the other half of the line, notated as CE.
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3 years ago
One zero of x^3 - 4x = 0 is 0 what are the other zeros of the function
myrzilka [38]
So you have x^3 - 4x = 0. What you can do is pull out an x from both x^3 and - 4x so it looks like this:

x( {x}^{2} - 4) = 0

Then you can find a number that makes the part inside the parentheses turn into zero. For beginners, it may be easier to write it out seperately and solve for x.

{x}^{2} - 4 = 0

We need to solve for x, so the first step is to add 4 to both sides, so we get something like this:

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Then, we can square root both sides to get rid of the power on the x, so it looks like this:

x = \sqrt{4}

Now, every square root has two answers, a positive and a negative. If we look at the bottom example:

{2}^{2} = 4

{( - 2)}^{2} = 4

We can see that both -2 and 2 to the power of two will equal to 4.

So finally, we get:

x = - 2 \: and \: 2

These are the other 'Zero's for the original function. If you are not sure of what a 'Zero' is, it is where the function crosses over the x-axis on a graph.
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2 years ago
Which sequence of transformations will verify that
AVprozaik [17]

Answer:

C) △ABC is moved onto △A'B'C' after translating −16 units horizontally and 6 units vertically, and then reflecting across the x-axis.

Explanation: I did USA Test Prep.

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3 years ago
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