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Archy [21]
3 years ago
13

What is the answer?​

Mathematics
1 answer:
solmaris [256]3 years ago
4 0

Answer: It’s A

Step-by-step explanation:

If you reflect over the y axis your point changes

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What is the place value of 5 in 5,678.321
Karolina [17]
5 is in the thousands place. 6 is in the hundreds place. 7 is in the tens place. 8 is in the ones place. 3 is in the tenths place. 2 is in the hundreths place. 1 is in the thousandths place.
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2 years ago
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The average of 3 numbers is 15 two of the numbers are 7 and 10 what is the third number?
Zielflug [23.3K]

9514 1404 393

Answer:

  (b)  28

Step-by-step explanation:

The total of the 3 numbers will be 3×15 = 45. Then the third number is ...

  45 -7 -10 = 28

8 0
2 years ago
Which figure best represents a rhombus?
slamgirl [31]

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1st one

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2 years ago
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One number is 5 more than the other. Their sum is 33. Find the numbers.
dimaraw [331]

Answer:

19,14

Step-by-step explanation:

x=5+y

x+ y= 33

we will solve using substitution

(5+y) +y= 33

5+y+y=33

5+2y=33

subtract 5 from both sides

2y=28

y=14

We got y now we will find what x is

for this, we will substitute y's value (14) into the first equation

x=5+(14)

x=19

we got x too

3 0
2 years ago
A game is played using ne die. If the die is rolled and shows 3, the player wins $45. If the die shows any number other than 3,
I am Lyosha [343]

Answer:

-$13.5

Step-by-step explanation:

Let x be a random variable of a count of player gain.

- We are told that if the die shows 3, the player wins $45.

- there is a charge of $9 to play the game

If he wins, he gains; 45 - 9 = $36

If he looses, he has a net gain which is a loss = -$9

Thus, the x-values are; (36, -9)

Probability of getting a 3 which is a win is P(X) = 1/6 since there are 6 numbers on the dice and probability of getting any other number is P(X) = 5/6

Thus;

E(X) = Σ(x•P(X)) = (1/6)(36) + (5/6)(-9)

E(X) = (1/6)(36 - (5 × 9))

E(X) = (1/6)(36 - 45)

E(X) = -9/6 = -3/2

E(X) = -3/2

This represents -3/2 of $9 = -(3/2) × 9 = - 27/2 = -$13.5

3 0
2 years ago
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