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PtichkaEL [24]
2 years ago
14

What is the slope of the line that passes through the points (2, 8) and (6, 12)?

Mathematics
1 answer:
Ksenya-84 [330]2 years ago
5 0
12-8 over 6-2= 4 over 4= 1

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Mathematics <br><br> Solving inequality
lions [1.4K]

Answer:

x _> 9 I dont have the symbol on my phone so I just put the greater than sign there

Step-by-step explanation:

1. Subtract 3 from both sides

5x > 48 - 3

2. simplofy 48 - 3 to 45

5x > 45

3. Divide both sides by 5

x > 45/5

4. Then simplify 45/5 to 9 which gives us the answer

And again I dont have the sign thats why I used the greater than sign

3 0
2 years ago
3x+4=20 solve using the box method
Sonbull [250]

Answer:

Exact form:

x= 16/3

Decimal form:

x=5.3

Mixed form:

x= 5 1/3

Step-by-step explanation:

Move all terms that don't contain x to the right side and solve.

4 0
2 years ago
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The half life of silicone-32 is 710 years. If 30 grams is present now, how much will be present in 300 years?
Irina18 [472]

Answer:

22.38 g of silicone-32 will be present in 300 years.

Step-by-step explanation:

A radioactive half-life refers to the amount of time it takes for half of the original isotope to decay and its given by

                                           N(t)=N_0(\frac{1}{2})^{\frac{t}{t_{1/2}}

where,

N(t) = quantity of the substance remaining

N_0 = initial quantity of the substance

t = time elapsed

t_{1/2} = half life of the substance

From the information given we know:

  • The initial quantity of silicone-32 is 30 g.
  • The time elapsed is 300 years.
  • The half life of silicone-32 is 710 years.

So, to find the quantity of silicone-32 remaining we apply the above equation

N(t)=30\left(\frac{1}{2}\right)^{\frac{300}{710}}=30\left(\frac{1}{2}\right)^{\frac{30}{71}}\approx22.38 \:g

22.38 g of silicone-32 will be present in 300 years.

7 0
2 years ago
You need to estimate 6.849 x 11 I need help please
makkiz [27]
75.339
nearest tenth: 75.3
nearest hundredth 75.34
nearest whole number 75
8 0
3 years ago
Read 2 more answers
PLEASE HELP!!
Korvikt [17]
A I guess (finger crossed )
8 0
2 years ago
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