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3 years ago

In 20 L of air, there is about 0.78 L of carbon dioxide. About how many liters of carbon dioxide are there in 1 L of air?

Mathematics

2 answers:

Yanka [14]3 years ago

4 0

I Think your answer is A

Liono4ka [1.6K]3 years ago

3 0

C
Don't know if its right, just use the conversion calculator.

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Which number is less than -3? * 0 2 -2 -4

ozzi

It is - 4. hope it helped

5 0

3 years ago

Read 2 more answers

If a = 5 and b = 6, evaluate the following expression: 20 - 5a + 3b

aliya0001 [1]

Answer:

20-5 × 5 + 3 × 6

20-25 + 36

Step-by-step explanation:

6 0

3 years ago

You have been asked to flip a coin for heads or tails and then select a golf ball from a bucket that contains 2 yellow golf ball

kenny6666 [7]

Answer:

{HY1, HY2, HW1, HW2, HW3, HW4, HW5, TY1, TY2, TW1, TW2, TW3, TW4, TW5}

The probability you get tails and select a white golf ball is 0.36

Step-by-step explanation:

There are 2 yellow golf balls: Y1 and Y2

There are 5 white golf balls: W1, W2, W3, W4 and W5

Then, the sample space is: {HY1, HY2, HW1, HW2, HW3, HW4, HW5, TY1, TY2, TW1, TW2, TW3, TW4, TW5}

What is the probability you get tails and select a white golf ball?

desired outcomes {TW1, TW2, TW3, TW4, TW5}

number of desired outcomes: 5

number of possible outcomes: 14

probability: 5/14 = 0.36

4 0

3 years ago

Read 2 more answers

Draw a line representing “rise” and line representing the “run of the line state the slope of the line .state the slope of the l

Scorpion4ik [409]

Answer:

slope 4/5

Step-by-step explanation:

The attachment shows the rise in green (4 grid squares), and the run in red (5 grid squares). The slope is the ratio rise/run.

The slope is rise/run = 4/5.

5 0

2 years ago

9. ax + by = (a - b), bx - ay = (a + b)

mart [117]

Answer: give me brainliest

Step-by-step explanation:

ax+by=a-b

ax=a-b-by

x=a-b-by/a←

bx-ay=a+b

substituting

b(a-b-by/a)-ay=a+b

ab-b²-b²y/a-ay=a+b

ab-b²-b²y-a²y/a=a+b

ab-b²-(b²+a²)y=a²+ab

-(b²+a²)y=a²+ab-ab+b²

(b²+a²)y=-(a²+b²)

y=-(a²+b²)/a²+b²

y=-1←

substituting value of y

x=a-b-b(-1)/a

x=a-b+b/a

x=a/a

x=1

8 0

2 years ago