MATHEMATICS MIDDLE SCHOOL

C) -6(2x-3) >–3x
solve the following inequality ^

Answers

Answer 1

Answer:

9*(-x +2) > 0

Step-by-step explanation:

-6(2x-3)>–3x

-6 * (2*x - 3) > -3*x

-6*2*x -6*(-3) > -3*x

-12*x + 18 > -3*x

-12x + 18 + 3x > 0

-9x + 18 > 0

9*(-x +2) > 0

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There are 150 members in the school marching band. the band wants to raise $30,000 for a trip to a national competition. the school agreed to contribute $10,000 towards the trip. which inequality shows the amount of money that each band member should raise?A) 150x + 30,000 > 10,000
B) 150x + 10,000 > 30,000
C) 10,000x + 150 > 30,000
D) 10,000x + 30,000 > 150

Answers

The answer is B, $10,000 is given and is not a variable that can be changed, since there are 150 band students raising money it would be 150x, and the 30,000 is the goal of the fundraiser

Help me with 7 AND TELL ME HOW U DID IT PLS

Answers

According to the data,
20 foot = 2.5 inches

if we want to find out the measurement for 1 foot, 2.5 inches has to be divided by 20.
1 foot = 2.5/20 = 0.125

If it is increased to 28 foot, answer should be multiplied by 28.
0.125*28 = 3.5 in

Answer c is correct

1 foot = 12 inches, but
Scale
= 2.5 inches : 20 feet
= 1 inch : 8 feet

New size = 28 feet
Therefore,
Let the corresponding measurement be x inches.
So,
1 : 8 = x : 28
1 x
-- = ----
8 28

28
x = ---- = 3.5 inches
8

Chords PQ and RS of a circle meet at X inside the circle. If RS = 38, PX = 6, and QX = 12, then what is the smallest possible value of RX?

Answers

To answer this question, always remember that the products of the segments of the chords that intersect are always equal. For this case, the product of PX and QX is 72. Letting RX equal x we generate an equation,
(38 - x)(x) = 72.
Solving for the value of x gives us 2 and 36. Thus, the smallest possible value of RX is 2.

ALGEBRA! NEED HELP!~A glass prism on a chandelier is 75 millimeters long. A base of the prism is an equilateral triangle with side lengtsh of 9 millimeters and a height of about 7.8 millimeters. What is the approximate surface area of the prism?

Answers

To find out a glass prism's surface are you should first find the, base's are. Since the base is triangle, it's are formula is : $A\quad =\quad \frac { h.b }{ 2 }$ (which h is height and b is base length). $A\quad =\quad \frac { 7,8.9 }{ 2 } \n A=\quad \frac { 70,2 }{ 2 } \n A=\quad 35,1$ since there are two triangle's their total area will be 70.2 To find the remaining surface's are multiply the perimeter of the base with the length. $perimeter\quad =\quad 9\cdot 3=27\n 27\cdot 75=2025$ then sum the total surface : 70,2 + 2025 = 2095,2