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Ann [662]
3 years ago
8

Please please help me, I don’t understand at all, I will truly appreciate it! Thank you

Mathematics
1 answer:
guapka [62]3 years ago
6 0
The answer is A.

y = x^2 + 2 simply means that y is whatever x is to the second power, plus 2. so, -2^2 = 4. 4 + 2 = 6.

you can work this through the other options but A is the answer.
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Convert 1 /20 into a decimal and then into a percentage
DerKrebs [107]

Answer:

Decimal 1/20= .05

Percent 1/20= 5%

Step-by-step explanation:

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3 years ago
An experiment consists of rolling two fair number cubes. What is the probability that the sum of the two numbers will be >3
liraira [26]

Answer:   \bold{\dfrac{5}{12}}

<u>Step-by-step explanation:</u>

greater than 3 means the sum is either 4, 5, or 6.

There are 15 permutations that meet the criteria:

(1, 3), (1, 4), (1, 5), (1,6)

(2, 2), (2, 3), (2, 4), (2, 5), (2,6)

(3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3,6)

(4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4,6)

(5, 1), (5, 2), (5, 3), (5, 4), (5, 5), (5,6)

(6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6,6)

There are 6²= 36 total permutations for 2 dice.

Probability=\dfrac{\#\ of\ permutations> 3}{total\ \#\ of\ permutations}\\\\.\qquad \qquad =\dfrac{15}{36}\\\\.\qquad \qquad =\dfrac{5}{12}\\\\

3 0
3 years ago
There are 285 people at the library. Then 127 more people come into the library
tamaranim1 [39]

Answer:

266.

Step-by-step explanation:

You want to take 285, and add 127 to that. You get 412. Subtract 146, and you get 266.

7 0
3 years ago
I NEED ALL THE HELP PLEASE SHOW YPUR WORK TO HELPP ITS DO IN 1 hour
abruzzese [7]

Assuming that Jeremy spent the entire $100 on the party supplies, here's the breakdown:

$100 - $30 = $70 remaining.

$70 - $10 = $60 remaining.

If he spent $60 on ten hats, and each hat was the same price, then each hat would have cost:

hat = \frac{60}{10}\\hat = 6


The equation is as follows:

100 - 30 - 10 - 10(6)


Each hat was $6

3 0
3 years ago
HELPPPPPPPP!!!!!!!!!! Angles 1 and 2 are complementary. If ∠1 measure 29.6°, then what is the measure of ∠2?
Leni [432]

Answer:

29.6*

Step-by-step explanation:

complementary angels are on the same side of the transversal, one is exterior and one is interior, and its always the same angel.  

8 0
3 years ago
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