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Komok [63]
3 years ago
12

Please help I never understood this a lot,

Mathematics
1 answer:
larisa86 [58]3 years ago
4 0

Answer:

it is a.

Step-by-step explanation:

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Need all these tomorrow!!!!! thank you all soooooOOOOOOooOoOOooOOoO much!!!!!
nordsb [41]
1.) 6% of 38 1% of 38 = 3.8 ( you just move the decimal placement over by one. 1% * 6 = 6% 3.8 * 6 = 6% 3.8 * 6 = 22.8 6% =22.8 2.) 5% of 90 90/5 = 5% 90/5 = 18 18 = 5% 3.) 15/5 = 9/x 15/5 = 3 3 = 9/x (nine divided by ? is three?....3!) 3 = 9/x(3) 3 = 9/3 3 = 3 x = 3 4.) 1/12 = .8/x Multiply each side by ten. 1/12 * 10 = 5/6 .8/x * 10 = 8/x 5/6 = 8/x Cross Multiply (switch the second numbers around) 5x = 6*8 Simplify 5x = 48 Divide both sides by 5 to get x by itself 5x/5 = x 48/5 = 9.6 *Whoo last problem lol* 5.) A three liter bottle costs $2.97 what is the unit rate. Well the unit is the object we're talking about, in this case a liter bottle. The unit rate is how much it costs or is per unit. Now that that's out of the way... 3L = 2.97 Like the other problems we want to get x by itself, so we'll divide by three) 3L/3 = L 2.97/3 = .99 L = .99 The Unit Rate is $0.99 per liter bottle. Hope this helped :)
3 0
3 years ago
4x-2= -14<br> what value of x makes 4x-2= -14 true?
ad-work [718]

-6

<u>4 x (-6)</u> - 2

<u>-16 - 2</u>

=-14

6 0
3 years ago
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I need help with this please
oksano4ka [1.4K]

Answer:i can's see it very well sorry kid

12

Step-by-step explanation:i dont know

5 0
3 years ago
How will the circumference of the circle change if it is dilated by a scale factor of 4?
Stolb23 [73]

The circumference of a circle has the formula:

C = 2 π r

 

Now when it is dilated by a factor of 4, this only means that the radius is also multiplied by a factor of 4, therefore the new circumference is:

C’ = 2 π (4 r)

C’ = 8 π r

So it also grows 4 times.

 

Answer:

<span>The circumference will be 4 times greater than the original.</span>

5 0
3 years ago
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If there are 6 grams of fat in a snack how many grams of protein are there?
vlabodo [156]

6 grams of fat in a snack then 50 grams of protein in snacks

7 0
3 years ago
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