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OLga [1]
3 years ago
13

What is the solution to the following system??A) (2.5,0)B) (5,1)C) (0,2)D) (1,5)​

Mathematics
1 answer:
m_a_m_a [10]3 years ago
8 0

Answer:

C

Step-by-step explanation:

at least i think so

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During a cold winter, the temperature stayed below zero for 10 days (ranging from −20 to −5). The variance of the temperatures o
Serjik [45]

Answer:

The variance of the temperatures of the 10 day period must be at least zero.

Step-by-step explanation:

The variance is the expectation of the squared deviation of a random variable from its mean. It measures how far a set of numbers are spread out from their average value.

Its unit of measure corresponding to the square of the unit of measure of the variable. In this case, the variance of the temperatures is expressed in (°C)². The variance has a minimum value of 0.

Since the variance is squared, it will always have values greater than zero.

5 0
3 years ago
2 × 30 = 2 × (3 × 10)
vampirchik [111]

Answer:They are equivalent, if that's what your trying to find out.

Step-by-step explanation:

5 0
3 years ago
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How long would it take you to double your money is the bank pays 3.6% interest, compounded
Lapatulllka [165]

Answer:

t=19.25\ years

Step-by-step explanation:

we know that

The formula to calculate continuously compounded interest is equal to

A=P(e)^{rt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest in decimal  

t is Number of Time Periods  

e is the mathematical constant number

we have  

t=?\ years\\P=x\\r=3.6\%=3.6/100=0.036\\A=2x  

substitute in the formula above

2x=x(e)^{0.036t}  

solve for t

simplify

2=(e)^{0.036t}  

Apply ln both sides

ln(2)=ln[(e)^{0.036t}]

Applying property of exponents

ln(2)=[0.036t]ln(e)

Remember that ln(e) =1

ln(2)=[0.036t]

t=ln(2)/[0.036]

t=19.25\ years

7 0
3 years ago
What is the value of x
borishaifa [10]
x^2=4^2+4^2\\
x^2=2\cdot16\\
x^2=32\\
x=\sqrt{32}=4\sqrt2
5 0
3 years ago
3x7x7x7x7 in index notation <br>2x9x9x9x2x9<br>plz help<br>thx
Leto [7]

3 \times  {7}^{4}
Because there's one 3 & four 7's .

{2}^{2}  \times  {9}^{4}
Because there are two 2's & four 9's
4 0
2 years ago
Read 2 more answers
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