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SOVA2 [1]
4 years ago
12

Math help please asap im begging you

Mathematics
1 answer:
Step2247 [10]4 years ago
4 0
4. Substitute for y
x+(2x+2)=-3
3x+2=-3
3x=-5
x=-5/3

Plug the x value in
y=2(-5/3)+2
y=-10/3+2
y=-4/3

Final answer: B

5. 3x+4=3x+7. There are no solutions since they are parallel (same slope) but different y intercepts (not coinciding).
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Shelly and Jamie participate in a street relay race. Jamie must run from point B along AB⌢, which represents part of a roundabou
Gwar [14]

Answer:

Jamie must sprint 107 meter to pass Shelly at point A.

Step-by-step explanation:

Circumference of a sector of the circle is represented by,

Circumference = \frac{\theta}{360}(2\pi r)

where θ = central angle subtended at the center by an arc

r = radius of the circle

m(\widehat{AB}) = \frac{123}{360}(2\pi )(50)

           = 34.1667π

           = 107.34 meter

           ≈ 107 meter

Therefore, Jamie must sprint 107 meter to pass Shelly at point A.

4 0
3 years ago
If y varies inversely as (x^2-2) and f(3)=1/8. Find f(-1/2)
ivanzaharov [21]

Answer:

Use vector arithmetic to simplify.

x^2−2+5f/2

Step-by-step explanation:

6 0
3 years ago
PLEASE HELPPPPP PLEASE 40 POINTS
Contact [7]

Answer:

  1. 18x - 9 = 72
  2. 3(6x - 3) = 72
  3. x = 45

Step-by-step explanation:

Apply the distributed property:

  1. Apply the distributed property: 3/5 × 30x = 18x, 3/5 × 15 = 9
  2. Re-write the equation: 18x - 9 = 72
  3. 18x - 9 = 72 is an option listed, so that's one of the answers.

See the other options:

  1. Another option that looks like it could be the answer is 3(6x - 3) = 72
  2. Apply the distributed property like we did above, so it now looks like this: 18x - 9 = 72
  3. This is the same as what we got above, so it is also an answer.

Solve:

  1. Add 9 to each side, so it now looks like this: 18x = 81
  2. Divide each side by 18 to cancel out the 18 next to x. It should now look like this: x = 4.5
  3. x = 45 is an option listed, so that's one of the answers.

I hope this helps!

6 0
3 years ago
Read 2 more answers
Cheryl can travel 21.6 miles on one gallon of gas. how far can cheryl travel on 6.2 gallons of gas?
boyakko [2]
21.6 miles per gallon

Multiplied by 6.2 gallons 

21.6 * 6.2 = 133.92

Cheryl can travel 133.92 (or about 134) miles on 6.2 gal. of gas.

Hope that helped!
6 0
3 years ago
If b -4=-22 what is the value of b
aliya0001 [1]

Answer:

I think -18

Step-by-step explanation:

5 0
3 years ago
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