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vampirchik [111]
3 years ago
6

Help me with this problem 2x-18=-10

Mathematics
1 answer:
nika2105 [10]3 years ago
5 0

Answer:

Step-by-step explanation:

18 is negative so add 18 to both sides

2x=8

so the answer would be 4 because

4 x 2= positive 8

hope that helped!!

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Express 80 as the product of its prime factors.<br> Write the prime factors in ascending order.
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Answer:

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Step-by-step explanation:

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1 year ago
ariana's 150g bag of trail mix is x% raisins. brandon's 250g bag of trail mix is y% raisins. they combine the two mixes together
Tema [17]

Answer:

(3x+5y)/8

Step-by-step explanation:

The total amount is 150+250=400

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We multiply that  by 100 giving us the final answer.

7 0
2 years ago
1.2 x 10^19 x 5.88 x 10^12
Lapatulllka [165]

9514 1404 393

Answer:

  7.056 × 10^31

Step-by-step explanation:

The applicable rule of exponents is ...

  (10^a)(10^b) = 10^(a+b)

__

  (1.2\times10^{19})\times(5.88\times10^{12})=(1.2\cdot5.88)\times10^{19+12}\\\\=\boxed{7.056\times10^{31}}

As you know, the commutative and associative properties of multiplication let you rearrange the order of the product to any convenient form. Here it is convenient to group the mantissas together and the powers of 10 together.

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<em>Additional comments</em>

This is a product your scientific or graphing calculator can produce for you. Likely it will display the result in scientific notation because it won't have enough display digits to show you the product any other way. For smaller numbers, you can set the display mode to give you scientific notation.

If you choose to use a spreadsheet to perform this calculation, the numbers would be entered as 1.2e19 and 5.88e12. The result will be something like 7.056e31. You may have to format the display to show 3 decimal places.

7 0
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I'm not in High School (Me is in Middle School) so... But, I got B.

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inysia [295]
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Then we will make all the sevens go to the right, so 3x-12x-3x=1-7.
So now it is much easier to figure out.
-12x=-6
4 0
3 years ago
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