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Readme [11.4K]
3 years ago
7

Damian mixed two samples together: a red liquid that smells irritating and a black solid with no smell. He analyzed the results

and found two ending substances. One of the ending substances was a yellow solid. This ending substance is made up of the repeating group of atoms shown above. Which of the diagrams to the left shows the repeating groups of atoms that make up the samples Damian mixed together?
Mathematics
2 answers:
IgorC [24]3 years ago
7 0
8 I don’t what else to say
BartSMP [9]3 years ago
4 0

Answer:

8

Step-by-step explanation:

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Point F is the midpoint of segment DE. DF = 2x+6 and DE = 2x+36. Find DE.
tensa zangetsu [6.8K]

Answer: It already tells you what DE= 60

Step-by-step explanation:

Since F is the midpoint of DE that means DF=FE

So create equation 2x+6+2x+6=4x+12

When DF and FE is added your answer should equal DE

So you write the equation 4x+12=2x+36 to find x and once x is found substitute your answer for x

4x+12(-12)=2x+36(-12) subtract 12 on both sides 36-12= 24

4x=2x+24 subtract 2x on both sides 4x-2x=2x

2x=24 divide 2 into both sides 24/2=12 x=12

4(12)+12=2(12)+36  

4x12=48+12=60   2x12=24+36=60

5 0
3 years ago
If the measurement of a central angle is 5π/6, find the length of its intercepted arc in a circle with a radius of 15 inches.
Artist 52 [7]

Answer: d. 39.3 inches

Step-by-step explanation:

Given the measurement of central angle ( \frac{5\pi}{6} ) and the measure of radius (15 inches), the lenght of the intercepted arc in the circle can be calculated with the formula:

arc\ length=r\theta

Where r represents the radius of the circle and \theta the central angle.

Substituting \theta=\frac{5\pi}{6} and r=15inches into the formula arc\ length=r\theta:

arc\ length=(15inches)(\frac{5\pi}{6})\\arc\ length=39.3inches

5 0
3 years ago
Find the volume of each figure to the nearest text use 3.14 for pie 15in height 27in radius
mel-nik [20]
V =πr^2h
v= 3.14×27×27×15
v=34335.9
v= 34336
8 0
4 years ago
The difference between a number and 17 is 96. Find the number
jeka57 [31]

Answer:

The number is 79

Step-by-step explanation:

Let the number be 'x'

x + 17 = 96

Subtract 17 from both sides,

  x + 17 -17 = 96 - 17

<h3>           x = 79</h3>
7 0
3 years ago
SOMEONE PLEASE HELP ME WITH THIS QUESTION !!!
tatuchka [14]

Answer:

$700

Step-by-step explanation:

Given that:

Cost of desktop PC 10 years ago = $6000

Cost of desktop PC 2 years ago = $300

Linear model applies.

To find the rate of decrease per year, we need to find the slope.

One quantity is cost of PC here and second quantity here is number of years.

\text{Rate of decrease per year = }\dfrac{\text{Change in Price}}{\text{Change in Number of years}}

\Rightarrow \dfrac{6000-300}{10-2}\\\Rightarrow \dfrac{5700}{8}\approx \bold{\$700}

So, the answer is:

There is a decrease of <em>$700 </em>per year.

OR

Rate of decrease per year is <em>$700</em>.

7 0
3 years ago
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