1.92 cm = 15 cm
1.2 cm = ? cm
15*1.2 = 1.92*?
18 = 1.92*?
9.375 = ?
The answer is B
1.2 cm = ? cm
15*1.2 = 1.92*?
18 = 1.92*?
9.375 = ?
The answer is B
You shopped online and found you mp3 player for $9.75 less than the store price p. The online price was $64. Write and solve an
1 answer:
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Answer:
25%
Step-by-step explanation:
Total= 40 students
boys +girls= 40
30 +girls= 40
number of girls
= 40 -30
= 10
Percentage of girls
Alternatively,
percentage of girls
= 100% -(percentage of boys)
Answer:
B
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Rearrange 2x + 3y = 4 into this form
Subtract 2x from both sides
3y = - 2x + 4 ( divide all terms by 3 )
y = - x +
← in slope- intercept form
with slope m = -
Given a line with slope m then the slope of a line perpendicular to it is
= -
= -
=
, hence
y = x + c ← is the partial equation of the perpendicular line
To find c substitute (- 2, 15) into the partial equation
15 = - 3 + c ⇒ c = 15 + 3 = 18
y = x + 18 → B