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nadezda [96]
4 years ago
13

Please help and explain please !!!!!!

Mathematics
2 answers:
Vaselesa [24]4 years ago
5 0
21. 2•2=4
24. 3.4•2.4=5.8
27. -1.6•3.6=-5.76
30. 3/1.4=2.1

Hope this helps!
rewona [7]4 years ago
4 0
These are square root problems. 
if you have a scientific calculator,then use it in the future, because it helps.
1. sqrt of 4=2X2=4. 
2. the sqrt of 12 and 6 is a long decimal, so it is shortened. 3.46X2.44=8.4424
3. 2.64-1 =1.64
4. 3/1.41=2.12
Hope this helps!

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Paige is filling a 3.5-L bucket at a rate of 0.25 L per minute. What is the
Deffense [45]

Answer:

  • [0, 14] or 0 ≤ x ≤ 14

Step-by-step explanation:

<u>The function would be:</u>

  • y = 0.25x, where y-volume of water in the bucket after x minutes

The domain is x and the range is y

The bucket will be full after 3.5/0.25 = 14 minutes

<u>The set of possible values of x is:</u>

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8 0
3 years ago
How do I do this math question? Full working/explanation. ​
zmey [24]

Answer:

50g sugar, 100g butter and 400g flour

Step-by-step explanation:

You need to find the ingredient that is the limiting factor, in this case it is flour, because you relatively need the most of that.

If all 400g flour is used, you need 4 times less grams of butter, since the ratio between butter and flour is 2 : 8 and they differ by a factor of 4.

That gets you 400/4 = 100g butter, so in fact you're not using 200g of the remaining butter.

Likewise, you'll need 400 / 8 grams of sugar, which is only 50g.

So at least one of the ingredients you'll completely use, the other ones you need less according to the ratio.

3 0
4 years ago
Hello, just need the answer for this question. Thank you for your help if you do so.
musickatia [10]

Answer:

In the first one you are missing (x - 3) so it will be 4(x - 3) and if you factor it out it will be 4x - 12

In the second one you are missing a (x -5)which means 9x(x -5) or when you factor it out it will be 9x^2 - 45x

Step-by-step explanation:

3x^2 -23x + 40 = (3x - 8) (x - 5)

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7 0
3 years ago
I need help with this
SSSSS [86.1K]

Answer:

  -26

Step-by-step explanation:

Use the given formula to find the next terms.

  c(1) = 6 . . . . . . given

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  c(3) = c(2) -16 = -10 -16 = -26

The third term in the sequence is -26.

4 0
3 years ago
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Xelga [282]

Answer:

im pretty sure that the first one is C, but the other one i don't know

4 0
3 years ago
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