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3 years ago

I have a question, what is 71.5 - 28.742

Mathematics

2 answers:

Maurinko [17]3 years ago

8 0

71.5 - 28.742 = 42.758

8090 [49]3 years ago

5 0

Answer: 42.758

Step-by-step explanation:

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Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.

Flauer [41]

Answer:

16°F

Step-by-step explanation:

15 + x = 31

x = 31 -15

x = 16

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3 years ago

Want to know what differenciation and Calculus is all about?

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Differentiation is part of calculus
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3 years ago

How do you solve each system of equations?

stiv31 [10]

Answer:

$x=1,y=3,z=1$

Step-by-step explanation:

$4x-4y+4z=-4$

$4x=-4+4y-4z$

$x=-1+y-z$

Substitute $x=-1+y-z$ into second equation:

$4\left(-1+y-z\right)+y-2z=5$

$-4+4y-4z+y-2z=5$

$5y-6z-4=5$

$y=\frac{6z+9}{5}$

Substitute $x=-1+y-z$ and $y=\frac{6z+9}{5}$ into the third equation:

$\frac{-41z-54}{5}+3=-16$

$-41z-54=-95$

$z=1$

Substitute $z=1$ into $y=\frac{6z+9}{5}$ :

$y=3$

Plug in y and z values into $x=-1+y-z$ :

$x=1$

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3 years ago

Is y = 3x+4 and y=3x-5 parallel, perpendicular or neither?

sineoko [7]

Answer: These Lines are <em>Parallel</em>

Step-by-step explanation: For two lines to be parallel, they must have the same slope with different y-intercepts. Both of the lines above have a slope of 3 and differing y-intercepts of 4 and -5. Therefore, these lines must be parallel to one another.

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