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MakcuM [25]
3 years ago
8

What is the length of BC?

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
5 0
It actually says the answer in the question:

"Point D is on segment BC. Segment BC measures 8x units in length. What is the length of segment BC?"

As you can see in the second sentence of the question, it states that segment BC measures 8x units in lengths.
Sigsh82 years ago
0 0

the answer is 144 units

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I don't really get this the one on the bottom but you use the top to solve
Vera_Pavlovna [14]

The percentages for each acid are:

  • 0% acid ⇒ percentage disolved = 0%
  • 33% acid ⇒ percentage disolved = 1%
  • 66% acid ⇒ percentage disolved = 2%
  • 100% acid ⇒ percentage disolved = 4.2%

<h3>How to get the percentages?</h3>

Here we just need to use the given formula:

percent\ disolved = \frac{initial\ mass - \ final \ mass}{initial \ mass}*100 \%

For the 0% acid, the initial and final mass are the same:

initial mass = final mass = 10.3g

Then the percent dissolved is:

percent\ disolved = \frac{10.3g - 10.3g}{10.3g}*100 \% = 0 \%

For the 33% acid we have:

  • initial mass = 10.1g
  • final mass =  10g

Then:

percent\ disolved = \frac{10.1g - 10g}{10.1g}*100 \% = 1 \%

For the 66% acid:

  • initial mass = 10g
  • final mass =  9.8g

percent\ disolved = \frac{10g - 9.8g}{10g}*100 \% = 2 \%

for the 100% acid:

  • initial mass = 9.9g
  • final mass =  9.5g

percent\ disolved = \frac{9.9g - 9.5g}{9.9g}*100 \% = 4.2 \%

If you want to learn more about percentages:

brainly.com/question/843074

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5 0
2 years ago
Either enter an exact answer in terms of foe use 3.14 for a
Elena L [17]

Answer:

200π; 628

Step-by-step explanation:

The volume of a cone can be found with the formula:

V=πr^2(h/3)

Now, we can plug the values that we know in.

Height is 6

Radius is 10

That said, our equation is now:

V=π10^2(6/3)

Simplify.

V=π100(2)

V=200π

Or, using 3.14 for pi it would be:

200(3.14)

628

4 0
3 years ago
Помогите пожалуйста!!!
Fiesta28 [93]

Answer:

can you translate it to English ?

Step-by-step explanation:

4 0
2 years ago
Write the slope intercept form through (3, 5) parallel to y 5/3x -5
Harrizon [31]

Answer:

y=5/3x .This is the answer

8 0
3 years ago
3х – 8y = — 16<br> =<br> M<br> So yeah I kinda need help
marishachu [46]

Answer:

3x-8y-16  = 0

Step-by-step explanation:

8 0
3 years ago
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