MATHEMATICS MIDDLE SCHOOL

Can someone help me with this please, I need to get this thing done?

Answers

Answer 1

Answer:

Answer:

The answer is B (9)

Step-by-step explanation:

Count the distance.

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Write solve a division problem that divides a 4-digit number by a 2-digit number. How did you estimate the first digit of the quotient?

Answers

1000 divided by 10 = 100 i estimated the first digit as 0 because 10 cant go into 1 so you go to the next number which is 10........ 10 can go into 10 one time so then you go to 0 because you used the 1st two together so 10 cant go into 0 so the answer is 0 then the same for the next digit ..

What is 1/4 divided by 6

Answers

1/4 ÷ 6

= 1/4 ÷ 6/1

= 1/4 × 1/6 When the ÷ sign changes to × the fraction 6/1 changes to 1/6

= 1/24

1/4 divided by 6 equals:

0.0416666667

Hope that helps and correct me if I'm wrong!

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions:y < 4x − 8
y is greater than or equal to negative 5 over 2 times x plus 5

Part A: Describe the graph of the system, including shading and the types of lines graphed. Provide a description of the solution area. (6 points)

Part B: Is the point (5, −8) included in the solution area for the system? Justify your answer mathematically. (4 points)

Answers

Answer:

:Part A) The graph in the attached figure (see the explanation)

Part B) The ordered pair is not included in the solution area for the system (see the explanation)

Step-by-step explanation:

Part A) we have

$y<4x-8$ ----> inequality A

The solution of the inequality A is the shaded area below the dashed line $y=4x-8$

The slope of the dashed line is positive

The y-intercept of the dashed line is (0,-8)

The x-intercept of the dashed line is (2,0)

$y\geq -(5)/(2)x+5$ ----> inequality B

The solution of the inequality B is the shaded area above the solid line $y=-(5)/(2)x+5$

The slope of the solid line is negative

The y-intercept of the solid line is (0,5)

The x-intercept of the solid line is (2,0)

The solution of the system of inequalities is the shaded area between the dashed line and the solid line

see the attached figure

Part B) is the point (5, -8) Included in the solution area for the system?

we know that

If a ordered pair is a solution of the system of inequalities, then the ordered pair must satisfy both inequalities

Substitute the value of x=5, y=-8 in each inequality and then analyze the results

Inequality A

$-8<4(5)-8$

$-8<12$ ----> is true

the ordered pair satisfy inequality A

Inequality B

$-8\geq -(5)/(2)(5)+5$

$-8\geq -7.5$ ---> is not true

the ordered pair not satisfy the inequality B

therefore

The ordered pair is not included in the solution area for the system

What is the value of 6x-3y if x=5 and y=-1?

Answers

Well, let's plug the numbers in.
6 x 5 - 3 x -1.

6 x 5 = 30
3 x -1= -3

Now subtract 30 and -3.
30 - (-3) = 33.
(Two negatives make positive)

Hope this helped :)

Answer:

Step-by-step explanation:

6(5) - 3(-1)

= 30 --3

= 30 +3

= 33

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