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3 years ago

Marking Brainliest! 3(x-100)=?

Mathematics

2 answers:

bonufazy [111]3 years ago

8 0

Answer:

solution,

$3(x - 100) \\ = 3 \times x - 3 \times 100 \\ = 3x - 300$

hope this helps..

Alisiya [41]3 years ago

7 0

Answer:

3x - 300

Step-by-step explanation:

Expand the brackets or use distribute law.

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X is equal to 1.5. In order to get this you divide each side by 1.2

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3 years ago

Solve each equation. Some of them may have radicals in their solutions.

Maurinko [17]

Answer: a) 3 and -3 b) 4 and 2

c) 3.5 and 2.5 d) 5.5 and 0.5 e) This is due to the difference in the coefficient of (x-3)² and the value at the right side of each equation.

Step-by-step explanation:

a) 3x²-9 = 0

3x² = 0+9

3x² = 9

Dividing both sides by 3

x² = 9/3

x² = 3

x = √3

x = +3 and -3

b) (x-3)² = 1

Taking square root of both sides to remove the square,

√(x-3)² = √1

x-3 = √1

x-3 = 1 and x-3 = -1 (note that √1 is +1 and -1)

x = 4 and x = 2

c) 4(x-3)² = 1

Dividing both sides by 4 we have;

(x-3)² = 1/4

Taking the square root of both sides to eliminate the square.

√(x-3)² = √1/4

x-3 = √1/4

x-3 = +1/2 and x-3 = -1/2

x = 1/2+3 and x = -1/2+3

x = 3.5 and 2.5

d) 2(x-3)² = 12

Dividing both sides by 2 we have;

(x-3)² = 12/2

Taking the square root of both sides to eliminate the square.

√(x-3)² = √12/2

x-3 = √6

x-3 = 2.5 and x-3 = -2.5

x = 2.5+3 and x = -2.5+3

x = 5.5 and 0.5

e) The answers to questions 1 to 4 has different solutions due to the different value of the coefficient of (x-3)² and also the value at the right hand side of the equations also differs, hence, the reason for the difference in their answers.

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3 years ago

Find the coordinates of point P on →AB that partitions the segment into the given ratio AP to PB .

marysya [2.9K]

The line segment AB is divided at point P, which has coordinates P(0,-7.5)

A line segment is a section of a line that connects two locations to create a straight line or we can say that is connects two distinct points together to form a single line. It is extendable to either side.

Given are,

A line segment AB with coordinates of A(0,0 ) and B(-15,0) respectively

Two minor line segments, AP and PB, are created from the line segment AB by the provided point P

We must determine the dividing point's coordinates, or P.

We'll apply the formula provided,

The coordinates of the point P are given by = ( $\frac{x1+x2}{2}$ , $\frac{y1+y2}{2}$ )