2 years ago

Which coefficient matrix represents a system of linear equations that has a unique solution?

2 answers:

7 0

the system has a unique solution if and only if the determinant of the coefficient matrix does not equal zero.

Aloiza [94]2 years ago

7 0

It only works when the coefficient it's not 0

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16. The weather report gives the temperature as 35 degrees Celsius. Find the

musickatia [10]

Answer:

$F=95\°$

Step-by-step explanation:

we know that

$C=\frac{5}{9}(F\°-32)$

In this problem we have

$C=35\°$

substitute the given value in the formula and solve for F

$35\°=\frac{5}{9}(F\°-32)$

$F-32=\frac{9}{5}(35)$

$F=\frac{9}{5}(35)+32$

$F=95\°$

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2 years ago

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24 . What is the length of Side Of BC A 3 C 10 B 8 D 24

jekas [21]

Answer:

B (8)

Step-by-step explanation:

AB = BC = AC

AB = BC

x+5 = 3x-1

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2 years ago

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On a map,1/4 inch represents 16 actual miles.two towns that are 2 3/4 inches apart on this map are how many actual miles apart?

Alex73 [517]

Answer:

176 miles

Step-by-step explanation:

you have to know how many 1/4ths are in 2 3/4
4×2= 8 +3 = 11 so 11/4ths.
there are 11 , 1/4ths
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2 years ago

What is 75/150 as a decimal

nataly862011 [7]

Hi,

75/150 is 1/2 which turns into 0.5 as a decimal.

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2 years ago

When running a marathon you heard the timer call out 12 minutes as you passed mile-marker 2. as you passed mile-marker 5 you hea

zvonat [6]

Subtract the distances.
Subtract the times.
Divide he difference in distance by the difference in time.

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2 years ago