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3 years ago

3. (05.01) A consistent, dependent system of equations is a system with ______ (1 point)

Mathematics

2 answers:

ololo11 [35]3 years ago

6 0

Only one line yes yessssssssssdsssssssss

nevsk [136]3 years ago

5 0

Answer: only one line

Step-by-step explanation:

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100 POINTS HELP ASAP Linear Combination

notka56 [123]

Answer:

1) $x=\dfrac12$

2) $n = -3 \ \ \textsf{and} \ \ m = -4$

3) see below

4) A: 0 = 1

Step-by-step explanation:

Question 1

$15-0.5(4x-2)+4x=17$

$\implies 15-2x+1+4x=17$

$\implies 2x+16=17$

$\implies 2x=1$

$\implies x=\dfrac12$

Question 2

$\textsf{rearrange} \ n=m+1 :$

$\implies -m=-n+1$

$\textsf{add equations} \ -m=-n+1 \ \textsf{and} \ m=2n+2:\\$

$\implies0=n+3$

$\implies n=-3$

$\textsf{substitute} \ \ n=-3 \ \ \textsf{into} \ \ m=n-1:$

$\implies m=-3-1$

$\implies m=-4$

Question 3

subtract the second equation from the first

divide both sides by -4

substitute found value for y into first equation

solve for x

Question 4

$3j=k$

$k=3j+1$

$\textsf{rearrange} \ 3j=k :$

$\implies -k=-3j$

$\textsf{add equations}\ -k=-3j \ \ \textsf{and}\ \ k=3j+1:$

$\implies 0=1$

Solution = A

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2 years ago

What is the volume of the cylinder below? Use 3.14 for pi.

neonofarm [45]

Answer:

about =502.65

Step-by-step explanation:

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3 years ago

The formula for voltage (in volts) is given by V = IR, where I is the current in amperes, and R is the resistance in ohms.

svlad2 [7]

R = V/I
R = 1.8/0.4 = 4.5 . . . ohms

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Harman [31]

Answer:

Radius: 18

Area of Circle: 1017 or 1018(depends on whether you used the pi function or 3.14)

Step-by-step explanation:

Formula for the circumference and area:

C= 2πr

A= πr^2

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