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Darina [25.2K]
2 years ago
12

5, 2, -1, -4, ____, ____, ____,...

Mathematics
1 answer:
Alex Ar [27]2 years ago
6 0

Answer:

A. Subtract 3; -7,-10,-13

Step-by-step explanation:

The list is decreasing so you can't be adding any positive numbers (cross out B and D.

If you subtract a negative, you're basically adding a positive. Therefore C is incorrect.

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The highest point in California is Mount Whitney at 14,494 feet above sea level. The lowest point is the Death Valley at 282 fee
barxatty [35]
Okay so in order to figure this out you have to realize that height (distance) cannot be negative. So all you do is add 282 feet from the mountain and 282 from the valley to get 564ft in the difference of elevations
6 0
3 years ago
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Kelly rolls two number cubes. Determine the probability of each of the following events.
Alika [10]

Answer:

(a)1/6

(b)1/12

Step-by-step explanation:

Given that the cubes are numbered from 1 to 6.

The possible outcomes are:

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

(2,1) (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)

Total number of possible Outcomes=36

<u>Part A</u>

Probability that the sum of the number cubes is 7.

The outcomes that sums up to 7 are:

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

Number of outcomes=6

Therefore:

P(sum of the number cubes is 7)=6/36=1/6

<u>Part B</u>

The sum of the number cubes is less than 4.

Outcomes in which the sum is less than 4 are:

(1,1) (1,2) (2,1)

Number of outcomes=3

Therefore:

P(sum of the number cubes is less than 4)=3/36=1/12

7 0
3 years ago
What is the smallest 6 digit palindrome that is divisible by 99
Scorpion4ik [409]

Answer:

  • 108801

Step-by-step explanation:

<u>6-digit palindrome is the number n the form of:</u>

  • xyzzyx

<u>This is divisible by 11 by default as the sum of the digits in odd placed is same as sum of the number in even places (remember the divisibility rule by 11):</u>

  • x + z + y = y + z + x

Now, in order to be divisible by 99, the number must be divisible by 11 and 9.

According to divisibility rule by 9 the sum of all digits must be divisible by 9. <u>You can see In our case we need to have (the minimum):</u>

  • x + y + z = 9

<u>The smallest number we could get is when x is minimum, y is minimum, so:</u>

  • x = 1, y = 0, then y = 8

<u>The number we get is:</u>

  • 108801

<u>Proof:</u>

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4 0
2 years ago
Read 2 more answers
Write the coordinates of the vertices after a reflection over the y-axis.
mart [117]

Answer:

A (10, -9)

B (0,-9)

C (0,-1)

D (10,-1)

Step-by-step explanation:

Negate the x-coordinates of each of the vertices

8 0
2 years ago
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1. A farmer is painting his silo. A typical can of paint covers 400 squared meters.
Maksim231197 [3]

Answer:

1. 6/10 – 2/5 =

Ans: 2/10, which can be reduced to 1/5.

2. If a tank is 5/8 filled with solution, how much of the tank is empty?

Ans: 3/8 of the tank is empty. Since the whole tank would equal 8/8, or 1, and 5/8 of it is filled, then that

means 3/8 of it remains empty.

3. 1/2 x 3/5 x2/3 =

Ans: 6/30, which can be reduced to 1/5.

4. 5/9 ÷ 4/11 =

Ans: 55/36. You cannot reduce this fraction any further.

5. Convert 27/4 to a decimal.

Ans: 6.75. This answer is arrived at by dividing 4 into 27.

6. Convert 0.45 to a fraction.

Ans: 45/100, which can be reduced to 9/20.

7. 4.27 x 1.6 =

Ans: 6.832

8. 6.5 ÷ 0.8 =

Ans: 8.125

9. 12 + 4.52 + 245.621 =

Ans: 262.141

Step-by-step explanation:

3 0
2 years ago
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