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pickupchik [31]
3 years ago
13

which expression correctly shows the commutative proberty? a)8+14+22+9=(8+14)+(22+9). b)8+14+22+9=8+(14+22)+9. c)8+14+22+9=53. d

)8+14+22+9=8+22+14+9
Mathematics
1 answer:
Lerok [7]3 years ago
5 0
D has the commutative property because it just flip flopped the numbers.
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3) C-2=12 c=<br> HELLLPPP
swat32

Answer:

14

Step-by-step explanation:

c-2=12

c=12+2

c=14

7 0
2 years ago
A place kicker in pro football has a 77% probability of making a field goal over 40 yards, and each attempted field goal is inde
Mice21 [21]

The probability that the team will win the sport is 77%.

Given that an area kicker in pro football incorporates a 77% probability of creating a field goal over 40 yards and every attempt field goal is independent.

Probability is how something is likely to happen. The probability of a happening is calculated by the probability formula by simply dividing the favorable number of outcomes by the overall number of possible outcomes.

So, his team will win the sport if he makes a goal otherwise loses.

Therefore, the Probability that his team will win the sport P[E] =P[making a field goal]

P[E]=77%

Hence, the probability that the team will win the sport when making a field goal is 77%.

Learn more about probability from here brainly.com/question/993963

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7 0
2 years ago
10. simplify the rational expression by rationalizing the denominator.( 1 point ) 4√150/√189x
ddd [48]
Rationalizing the denominator, simply means "getting rid of that pesky root at the bottom", and we do so by simply multiplying it by something to take it out, of course, we multiply the bottom, we have to also multiply the top,

\bf \cfrac{4\sqrt{150}}{\sqrt{189x}}\cdot \cfrac{\sqrt{189x}}{\sqrt{189x}}\implies \cfrac{4\sqrt{150}\sqrt{189x}}{(\sqrt{189x})^2}\implies \cfrac{4\sqrt{(150)({189x})}}{189x}

\bf \cfrac{4\sqrt{28350x}}{189x}\qquad &#10;\begin{cases}&#10;28350=2\cdot 3\cdot 3\cdot 3\cdot 3\cdot 5\cdot 5\cdot 7\\&#10;\qquad 2\cdot 3^2\cdot 3^2\cdot 5^2\cdot 7\\&#10;\qquad 2\cdot (3^2)^2\cdot 5^2\cdot 7\\&#10;\qquad 2\cdot (3^2\cdot 5)^2\cdot 7\\&#10;\qquad 2\cdot (45)^2\cdot 7\\&#10;\qquad 14\cdot 45^2&#10;\end{cases}\implies \cfrac{4\sqrt{14\cdot 45^2}}{189x}&#10;\\\\\\&#10;\cfrac{4\cdot 45\sqrt{14}}{189}\implies \cfrac{180\sqrt{14}}{189x}\implies \cfrac{20\sqrt{14}}{21x}
4 0
3 years ago
X^2+ 3 has a value of 28. What term in the sequence has a value of 28?
VikaD [51]

Answer:

5th term

Step-by-step explanation:

x^2 +3 = 28

Subtract 3 from each side

x^2+3-3 =28-3

x^2 = 25

Take the square root of each side

sqrt(x^2) = sqrt(25)

x = 5

(x could be -5, but there are not usually negative terms in a sequence)

5 0
3 years ago
Read 2 more answers
PLZ HURRY <br>Which graph represents the function f(x) = 2|x|?
Flura [38]

Answer:

c

Step-by-step explanation:

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3 years ago
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