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JulijaS [17]
3 years ago
14

Answer these questions please. (All three)

Mathematics
1 answer:
viktelen [127]3 years ago
6 0

Answer:

16: y=4x+14 17: 12 18: when you simplify it all individually you get x=3 for both equations. 19: $6.69

Step-by-step explanation:

16:y-2=4(x+3) distribute 4 and get y-2=4x-12. Add 2 to both sides to get y-4x+14.

17:x+2y=4 and 3x+6y=? divide 3x+6y by three and you get x+2y=4. This means you can just multiply the 4 by 3 to get the answer.

18:3x-5=4 and 3x-3=6. For the first one add 5 to both sides to get 3x=9 then divide both side by 3 to get x=3. For the second one add 3 to both sides to get 3x=9. Again divide both sides by three to get x=3.

19: $18-$4.62=13.38 since he wants 2 models divide 13.38 by 2 to get 6.69.

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The image is located below
Ivan

Answer:

288 ft³

Step-by-step explanation:

Volume of the pyramid,

base area × height × (1/3)

= (9×8)×12/3

= 72×4

= 288 ft³

7 0
3 years ago
Please help I will give brainlyiest fast please help fast
lana [24]

Answer:

  • A. 49.

Step-by-step explanation:

<u>Given equation:</u>

  • -11 2/3 * (-4 1/5)

<u>Simplify, then solve:</u>

  • -11 2/3 * (-4 1/5)
  • = -35/3 * (-21/5)
  • = \frac{-35 * (-21)}{3 * 5}
  • = 735/15
  • = 49.

Your answer is A. 49.

5 0
2 years ago
What is the simplified expression for -3(2x-y)+2y+2(x+y)
JulijaS [17]

Answer:

7y - 4x

Step-by-step explanation:

Given

- 3(2x - y) + 2y + 2(x + y) ← distribute parenthesis

= - 6x + 3y + 2y + 2x + 2y ← collect like terms

= 7y - 4x

7 0
3 years ago
Help me with this please
tankabanditka [31]

Answer:

  73/39

Step-by-step explanation:

The slope of the given line is the coefficient of x in the given equation, which we recognize as being in slope-intercept form.

The slope of the perpendicular line will be the opposite reciprocal of this:

  -1/(-39/73) = 73/39 . . . . slope of the perpendicular line

3 0
2 years ago
What is the value of p? 3/5(p 10)=−1535(p 10)=−15 ​?
svetlana [45]
828383883)=733783388)
6 0
3 years ago
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