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Lapatulllka [165]
3 years ago
5

-9x + 15 = -48 ?????????????????????/

Mathematics
1 answer:
Komok [63]3 years ago
8 0

Answer:

x=7

Step-by-step explanation:

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Kathy swam 3 laps in the pool this week. She must swim more than 12 laps each month. How many more laps must Kathy swim to meet
ra1l [238]

Answer:

9

Step-by-step explanation:

12-3=9

8 0
3 years ago
Question 13. Please
Sonbull [250]

Answer:

d

Step-by-step explanation:

Δ OPG is right with hypotenuse OG being the radius of the circle

Using Pythagoras' identity in the right triangle

OG² = OP² + PG²

[ PG = 11 , since OP is the perpendicular bisector of FG ]

OG² = 8² + 11² = 64 + 121 = 185

Δ OQS is right with hypotenuse OS being the radius

Using Pythagoras' identity

OS² = QS² + OQ² , that is

185 = 13² + x²

185 = 169 + x² ( subtract 169 from both sides )

16 = x² ( take the square root of both sides )

4 = x → d

8 0
2 years ago
Equation of a line into slope-intercept form, simplifying all<br> fractions.<br> 12x + 3y = -18
stellarik [79]

Answer:

y = -4x - 6

Step-by-step explanation:

12x + 3y = -18

Solve for y.

3y = -12x - 18

y = -12/3 x - 18/3

y = -4x - 6

3 0
3 years ago
Read 2 more answers
1 more than product of a number and -8
Whitepunk [10]

Answer:

x8 + 1

Step-by-step explanation:

5 0
3 years ago
What is the equation of the line that is perpendicular to the given line and has an x-intercept of -3?
Anvisha [2.4K]

Answer:

y=-\frac{3}{2}x-\frac{9}{2}

Step-by-step explanation:

Let the equation of the perpendicular line is,

y = mx + b

where m = slope of the line

b = y-intercept

From the graph, slope of the line passing through (0, -1) and (3, 1),

m' = \frac{y_2-y_1}{x_2-x_1}

m' = \frac{1+1}{3-0}

m' = \frac{2}{3}

To get the slope (m) of this line we will use the property of perpendicular lines,

m × m' = (-1)

m × \frac{2}{3} = -1

m = -\frac{3}{2}

Equation of the perpendicular line will be,

y=-\frac{3}{2}x+b

x-intercept of the line is (-3) therefore, point on the line is (-3, 0)

0 = -\frac{3}{2}(-3)+b

b = -\frac{9}{2}=-4.5

Equation of the line will be,

y=-\frac{3}{2}x-\frac{9}{2}

3 0
3 years ago
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