MATHEMATICS MIDDLE SCHOOL

Which statement describes the graph?

Answers

Answer 1

Answer:

Answer : D

From the given graph , we can see that

The graph crosses the y axis at 7

So y axis is (0,7)

The graph is increasing at first and reaches (-2,8) and then start decreasing

The graph start increasing at x=-10 and goes on increasing till x= -2

then the graph start decreasing at x=-2 and goes in decreasing till x= 10

The graph crosses the y axis at (0,7), increasing from x=-10 to x=-2 and decreasing from x=-2 to x=10

Answer D is correct

Answer 2

Answer:

Answer is d

Step-by-step explanation:

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What is the value of 5 in 756 explain

Answers

The number 756 can be written as $700+50+6$ , that is:

$7\cdot100+5\cdot10+6$ .

This means that 5 in the number 756 actually is 50.

We say that 5 is in the tens place, and its value is 50.

Answer: 50

On a biased dice , the probability of getting a 6 is 4/5. The dice is rolled 500 times. How many sixes would you expect to roll?

Answers

Find 4/5 of 500.

4/5*500=400

You will roll 400 sixes.

Final answer:

Given a biased dice with a probability of 4/5 to show a 6, one would expect to roll a six around 400 times in 500 rolls. This calculation is based on the concept of expected value in probability theory. However, the actual outcome can vary due to randomness.

Explanation:

The student's question deals with the concept of expected value in probability theory. The expected value is calculated by multiplying each possible outcome by their respective probability and then adding these values.

In this scenario, with the dice having a probability of 4/5 to show a 6 on every roll, the expected value of 500 rolls would be: 4/5 * 500 = 400.

That means, if you roll the dice 500 times, you would expect to roll a six around 400 times.

Learn more about Expected Value here:

brainly.com/question/37190983

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Kate made a box to hold her jewelry collection. She used 42 inches of wood to build the sides of the box. If the box was 9 Inches wide, how long was the box

Answers

We can use the 9 inches wide to determine that 18 inches of the 42 inches are the wide sides. 42 - 18 = 24, so we divide 24 by how many long sides there are, 2. 24 ÷ 2 = 12. The box was 12 inches long.

Describe the image of a dilation with a scale factor of 1

Answers

With a scale factor of 1, the image is exactly the same size as the original object.

Bernita and Derek each plot a number on a number line. The numbers are unique but have the same absolute value. The sum of the absolute values of the numbers is 150. What are the two numbers? The awnsers are: a_0 and 150b–75 and 75
c–150 and 150
d–300 and 300

Answers

Answer:

Hence, the two numbers chosen or plotted by them are:

-75 and 75

Step-by-step explanation:

It is given that Bernita and Derek each plot a number on a number line with the properties:

The two numbers they have plotted are unique or different.

Also there absolute value is same.

The sum of the absolute values of the numbers is 150.

We know that Absolute value of a positive number is a number itself and absolute value of a negative number is it's inverse.

Hence, the two numbers that satisfy the above three properties are:

-75 and 75.

Since,

|-75|=75

and |75|=75.

Hence, |-75|=|75|

Also |-75|+|75|=75+75=150

My answer is B. -75 and 75.

Absolute value means the positive value of a number. Absolute value of -75 is 75. Absolute value of 75 is 75.

75 + 75 = 150.

Choice a. -0 and 150 is not correct. This is because a 0 cannot have a negative value.

(3x+11) + (10x-12)/2 = 45