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Ierofanga [76]
2 years ago
15

What is an algebraic expression for ​"21 more than n​"?

Mathematics
1 answer:
stealth61 [152]2 years ago
3 0

Answer:

Step-by-step explanation:

n+21

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What is the experamental probability that the coin lands on heads?
sammy [17]

Answer:

The experamental probability that the coin lands on head is 50 %

Step-by-step explanation:

Given:

Experiment:

A coin is Toss

Let the Sample Space be 'S' that is total number of outcomes for a coin has been tossed = { Head, Tail }

∴ n ( S ) =  2

Let A be the event of getting a Head on tossing a coin i.e  { Head }

∴ n( A ) = 1

Now,

\textrm{Probability} =\frac{\textrm{outcomes for the experiment}}{\textrm{total number of outcomes}}

Substituting the values we get

P(A) = \frac{n(A)}{n(S)} \\\\P(A) = \frac{1}{2} \\\\P(A) = 0.5\\\\P(A) = 50\%

The experamental probability that the coin lands on head is 50 %

5 0
3 years ago
What is the y-intercept of y=4x?
Vera_Pavlovna [14]

Answer:

y intercept= 0

Step-by-step explanation:

in the formula y=mx+b, m is the slope and b is the y intercept. here we are not given "b" so the y intercept it 0

3 0
3 years ago
3.2a - 16 = 4a<br> Solve
KengaRu [80]

Answer:

a= -20

Step-by-step explanation:

3 0
3 years ago
What is the absolute value of -135​
sammy [17]

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7 0
2 years ago
Read 2 more answers
PLZ HELP THIS IS HARD I WILL FIVE BRAINLIEST
bagirrra123 [75]

Answer:

2\frac{1}{3}\: ft

Step-By-Step Explanation:

Height\: of \:sail = 1\frac{1}{6}\:  ft = \frac{7}{6}\:  ft\\Base\: of \:sail = 4\:  ft \\Area\: of \:sail =\frac{1}{2} \times base \times height\\=\frac{1}{2} \times \frac{7}{6} \times 4\\= \frac{7}{6} \times 2\\=\frac{7}{3}\\=2\frac{1}{3}\: ft

6 0
2 years ago
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