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Ivanshal [37]
2 years ago
5

the formula for calculating speed is DISTANCE divided by TIME equals SPEED (d/t=s). This is called an object's?

Mathematics
1 answer:
Daniel [21]2 years ago
8 0

Answer:

speed

Step-by-step explanation:

it's literally stated in the question

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Devaughn is 15 years older than Sydney. the sum of their ages is 113. what is sydneys age?
NISA [10]

Answer:

49

Step-by-step explanation:

devaughn= x+15

sydney= x

set an equation adding both their ages

x+x+15=113

2x+15=113

subtract 15 from both sides

2x=98

x=49

sydney is 49

4 0
3 years ago
Read 2 more answers
I can’t figure this out I need the answer
fredd [130]

Answer:

  • Area 2 = 72 cm²
  • CD = 7 cm

Step-by-step explanation:

For similar figures, side lengths (and any other linear measure) are proportional. Areas are proportional to the square of the scale factor for side lengths.

  Perimeter 1/Perimeter 2 = CD/EF

  21/18 = CD/6

  CD = 6(21/18)

  CD = 7 . . . cm

__

  Area 2/Area 1 = (Perimeter 2/Perimeter 1)²

  Area 2/98 = (18/21)²

  Area 2 = 98(6/7)²

  Area 2 = 72 . . . cm²

7 0
2 years ago
One of the x-intercepts of the parabola represented by the equation y = 3x^2 + 6x − 10 is approximately (1.08, 0).
Igoryamba
3x^2 + 6x - 10 = 0

x  = [-6 +/- sqrt(^2 - 3*3*-10)] / 2*3

=  1.08 and -3.08

Other x -intercept is (-3.08,0)
4 0
3 years ago
Read 2 more answers
May I please have help from anyone thank you so much !
Vanyuwa [196]
You’re solving for the volume of the cylinder. so the way you would do this is the area of the base of the cylinder (pi times radius squared) which in this case would be 3.14 x 10^2 which is 314. you would then multiply by h, the height, which here is 10. 314 x 10 is 3140.
8 0
3 years ago
Solve x in 2|x+ 6| + 9 = 19
xenn [34]
Answer: x=-1

Step by step:

2|x+6|+9=19

Subtract 9 from both sides.

2|x+6|=10

Divide both sides by 2

|x+6|=5

Use the definition of absolute value.

x+6=5

Subtract 6 on both sides

x=-1

Hope this helped! :)
5 0
2 years ago
Read 2 more answers
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