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vova2212 [387]
3 years ago
5

Im so lost and confused

Mathematics
2 answers:
Katen [24]3 years ago
7 0
Evaluating determinants. Attached solution.

soldier1979 [14.2K]3 years ago
6 0
2x2 matrix are as follows. -2*3= -6 - (5*4)
5*4=20 so problem is -6-20= -26
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Tom makes $137.10 in 3 days. How much does he make in 2 days?
earnstyle [38]
Answer: $91.40
Explanation
137.10/3=45.7
45.7x2=91.4
4 0
2 years ago
Read 2 more answers
I NEED HELP ASAP!!<br><br> Subtract.<br><br> -30-27= ?<br><br> -5-(-4)= ?
pashok25 [27]
-30-27= -57
When both numbers are negative, they are “added” in a sense, but remain negative.

-5-(-4)= -1
You have to multiply the (-4) by the “invisible” -1 on the outside before you add/subtract.
5 0
3 years ago
suppose a population of 250 crickets doubles in size every six months. How many crickets will there be after two years?
lord [1]

double every 6 months 

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4 0
3 years ago
Please help. Screenshot attachedn
NARA [144]

Answer:

x = -0.17   and    x = -5.83

Step-by-step explanation:

We are asked to solve the quadratic equation

x^2+6\,x+1=0

We use the quadratic formula using a = 1, b = 6 and c = 1

for a general quadratic equation of the form: ax^2+bx+c=0

Then, the solutions are given by;

x=\frac{-6+/-\sqrt{36-4\,(1)\,(1)} }{2} =\frac{-6+/-\sqrt{32} }{2}

which produces the two following answers (rounded to two decimals):

x = -0.17   and    x = -5.83

8 0
3 years ago
Melanie is very concerned with avoiding late fees. The table shows her choices for paying her bills. Method Bill Payment Methods
pshichka [43]

Answer:

3

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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