3 years ago

Which of the following is another way to express the equation 13 = -3 + z?

Mathematics

2 answers:

Oduvanchick [21]3 years ago

7 0

Ccccccccccccccccccccc

bixtya [17]3 years ago

5 0

Answer:

Step-by-step explanation:

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A bag contains 6 blue marbles, 8 green marbles, 9 red marbles, and 17 yellow marbles. What is the ratio of blue marbles to total

MA_775_DIABLO [31]

Answer: 3:20

Step-by-step explanation: There are 6 blue marbles. Altogether, there are 40 marbles. So it would be 6:40, which simplifies to 3:20.

5 0

3 years ago

Please I need help please

Kaylis [27]

Answer:

I'm sorry, I can help only with this one x = 20°

Step-by-step explanation:

2x + 5° + 4x + 15° + 2x = 180°

8x = 180° - 5° - 15°

8x = 160°|÷8

x = 20°

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3 years ago

a bicycle wheel has a diameter of 40 cm how many revolutions would a wheel make if the bike travels 1 km pi=3.14 (answer please

andriy [413]

Circumference of a circle = Diameter × pi
Circumference of a circle = 40 cm × 3.14
Circumference of the wheel = 125.6 cm

1 Km = 1000m
Circumference of the wheel × 1000m = The number of revolutions
125.6 × 1000m = 125600

The wheel would make 125600 revolutions if the bike travels 1 km.