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lorasvet [3.4K]
3 years ago
11

URGENT PLEASE!!!!!!!!!!!!

Mathematics
2 answers:
blondinia [14]3 years ago
8 0

Answer:

its x=16 :)))

kondaur [170]3 years ago
6 0

Answer:

i got 178

Step-by-step explanation:

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I neeeed help realy bad
77julia77 [94]

Answer: -3x + 4, (2,-2)

Step-by-step explanation:

First, you want to get y alone on one side.

3x + y = 4

     -4    -4        subtract 4 to get it on the left side.

     -y     -y       subtract y to get it alone on the right side.

Your'e left with 3x - 4 = -y      divide the whole equation by -1 do get a pos y

You then have y = -3x + 4. That's the first part of your answer.

To get the second part plug in (-3x + 4) into the y of the first equation, this is the substitution part.

-2x + 5(-3x+4) =-14        distribute the 5...     -2x - 15x +20 = -14

add your like terms ( x and x)                       -17x + 20 = -14

Isolate your x by subtracting the 20, both sides  -20   -20

-17x = -34    divide both side by 17 you get x = 2 (---- this is your first coordinate in the pair in your answer. To get the y do the same but solve for y instead of x.

3 0
3 years ago
A triangular prism has a base area of 15 cm² and has a volume of 600 What is the 2 cm height of the prism?
Oxana [17]

Answer:

40

Step-by-step explanation:

The volume of a prism is the base area * height.  We know the base area is 15 and the volume is 600, so the height must be 600/15 = 40.

4 0
3 years ago
Give an example of a rational number that is a whole number. Show that the number is both whole and rational
DiKsa [7]

Answer:

4

Step-by-step explanation:

6 0
3 years ago
Find the circumference of the pizza to the nearest hundredth.<br> 18 in.
fgiga [73]

Answer:

124.59

Step-by-step explanation:

The third digit of right of decimal point is 6

The second digit after decimal point is 8 which is greater than 5

So add 1 to 8

124.59

I maybe wrong! I wish you luck!

8 0
2 years ago
Read 2 more answers
Plz help I need help
TiliK225 [7]

Answer:

66 inches

Step-by-step explanation:

167.64 divided by 2.54=66

6 0
3 years ago
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