MATHEMATICS HIGH SCHOOL

Solve for x.



−2/5x −3/4x =−99/10 =−99/10 + 1/2x

Answers

Answer 1
Answer:  -2/5x-9<9/10 One solution was found :                   x > -99/4

Rearrange:

Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality :

                     -2/5*x-9-(9/10)<0 
Answer 2
Answer:

Answer:

 x > -99/4

Step-by-step explanation:

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Evaluate ÷x+2 for x=49
12
2
9
15 ​

Answers

Answer:12

Step-by-step explanation:but you cant divide by nothing

12 because you can’t divide anything

Which graphs represents the compound inequality x<5/4 or x> 5/2?

Answers

Answer: B

Step-by-step explanation:

Looking at the inequalities, both are ≤ and ≥. That means the x is not only greater or less than, but they are also equal to the number. With this fact, we can eliminate D since D has open circles.

Orr problem has 2 separate inequalities. Both are doing in different directions, hence the ≤ and ≥. This makes B automatically our answer. We can check by graphing each of the inequalities on the number line.

x≤5/4

We know that 5/4=1.25. We start at 1.25. Then the inequality tells less than or equal to. Since it is less than, we would travel to the left, where the numbers get smaller and smaller.

x≤5/2

5/2=2.5 We start at 2.5. The inequality tells us greater than or equal to. This means we have to travel to the right, where the number gets larger and larger than 2.5.

Place the following ratios from least to greatest.
E 3:1
2:1
1:1
E 1:2

Answers

Answer:

1:3

1:2

1:1

2:1 it may helps you

Which is another way to check the sum of 104+34+228+877?

Answers

A simple method of checking the sum of arithmetic problems is by using the "digit sum" method. The digit sum can be obtained by adding the digits of a number together, until you get a single-digit number. In case you get a double-digit number, just add them again until you get a single digit number.

Let's try it with an example.

Given the numbers 143, 876, and 534, their digit sums would be:
144 : 1 + 4 + 3 = 9 (same as 0)
876 : 8 + 7 + 6 = 21; 2 + 1 = 3
534 : 5 + 3 + 4 = 12; 1 + 2 = 3

Getting the digit sum is actually getting the number modulo 9, which in other words, is the remainder of that number divided by 9. Since you now have an understanding of the digit sum, how can it be used to check the sum of the problem above?

By comparing the sum of the digit sums of the addends and the digit sum of the obtained sum, you can determine if the arithmetic process was done correctly. Let us do this below:

104 + 34 + 228 + 877 = 1243

Using the digit sum method:

104 : 1 + 0 +4 = 5
34 : 3 + 4 = 7
228 : 2 + 2 + 8 = 12; 1 + 2 = 3
877 : 8 + 7 + 7 = 22; 2 + 2 = 4

adding the digit sums of the addends:

5 + 7 + 3 + 4 = 19; 1 + 0 = 1

Comparing with the digit sum of the sum (1243):

1 + 2 + 4 + 3 = 10; 1 + 0 = 1 (OK)

As we can see, the digit sums are the same, so we can say that the arithmetic process has been done correctly.

Two fair six sided dice are thrown.
Find the probability that both dice land on 6

Answers

Two dice ⇒ 6*6=36 possible results
Both dice land on 6 ⇒ 1 possibility

P=1/36

How many 36-passenger buses will it take to carry 144 people?

Answers

To solve this divide.
144/36
and that =4
So it takes 4 buses.
All we need to do is divide the number of people to the amount of people 1 bus can seat.

144 ÷ 36 = 4.

So, to carry 144 people they will need 4 buses. 

Answer:- 4 buses.

hope i helped ya!! 
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