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3 years ago

12

A adult blinks about 450 times every 30 minutes. a 12 year old blinks about 150 times every 15 minutes. how many more times does

a adult blink every hour than a 12 year old

1 answer:

ahrayia [7]3 years ago

4 0

An adult blinks 300 times more in an hour

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The mass of a chocolate bar is 200 g. A box contains 150 chocolate bars. What is the

Veseljchak [2.6K]

Answer:

30kg

Step-by-step explanation:

mass of 1 Chocolate bar = 200g

Box = 150 chocolate bar

150x200g = 30,000g

1kg =1000g

so 30,000g/1000g x 1kg

= 30kg

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3 years ago

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Solve the following equation by combining like terms:<br> x+x+2+3x-6= 31<br> X=

Vesnalui [34]

Answer:

X= 7

Step-by-step explanation:

x+x+2+3x-6=31 Combine x's

2x+2+3x-6=31 Continue to combine x's

5x+2-6=31 Combine whole numbers

5x-4=31 Add 4 to both sides

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x=7

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2 years ago

Solve 3x2 − x = 10

Crazy boy [7]

Option number 2 I think.

3 0

3 years ago

Evaluate the composition of functions.

valina [46]

Answer:

2

Step-by-step explanation:

Fill in each function's argument and do the arithmetic.

$h(g(f(\sqrt{10})))=h(g(2(\sqrt{10})^2-7))=h(g(2\cdot 10-7))=h(g(13))\\\\=h(\dfrac{4-13}{9})=h(\dfrac{-9}{9})=h(-1)\\\\=\sqrt{-(-1)+3}=\sqrt{4}=\boxed{2}$

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2 years ago

Whats a fraction thats equivalent to 3/12

Ad libitum [116K]

Answer:

1/4

Step-by-step explanation:

Yes

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3 years ago

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