2 years ago

100 students are interviewed to see which of biology, chemistry or physics they prefer.

1 answer:

6 0

Step-by-step explanation:

everything can be found in the picture

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pickupchik [31]

579 adults and 190 children I’m pretty sure this is right

6 0

2 years ago

valkas [14]

Answer:

a=21.2

n=√29

Step-by-step explanation:

$90+68.2+a=180$

$a+158.2=180$

$a=21.2$

$2^2+5^2=n^2$

$4+25=n^2$

$n^2=29$

$n=\sqrt{29}$

3 0

2 years ago

MAVERICK [17]

No, Lily is not correct. This is because 16+3 does not equal 18. So to find N, you take 18 and subtract 16.
18-16=n
18-16=2
so n=2
16+2=18.

6 0

3 years ago

yuradex [85]

6 in is the length cause yhu have to multiply

5 0

3 years ago

uranmaximum [27]

Answer: 20−12/3=?16

16=16

True

Step-by-step explanation: hope this help:)

3 0

3 years ago