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Lapatulllka [165]
3 years ago
7

margaret is certain that every time she parks in the garage it costs her at least $1.90. if the garage charges 40 cents plus 30

cents for each half hour. how long is Margaret car parked?
Mathematics
1 answer:
Montano1993 [528]3 years ago
8 0
She was parked 2 1/2 hrs 
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3x^2 − 16x + 2 = 0
Andreyy89
A = 3 b = -16 and c = 2
the radicand would be
sq root (b^2 -4*a*c) =
sq root (256 -4*3*2) =
sq root (232)
So the roots will be real and not complex.

6 0
3 years ago
In the figure, the measure of Angle 8 = 96 and the measure of Angle 12 =42. Find the measure of Angle 9.
r-ruslan [8.4K]
ANSWER:   84; Consecutive Interior Angles Theorem

6 0
3 years ago
PLEASE PLEASE HELPPPPPP
murzikaleks [220]

Answer:

B

Step-by-step explanation:

The rulers tell you the length of the sides

8 0
2 years ago
Easy Multiple Choice Questions about expressions and linear equations / ASAP / Will mark brainliest / 25 Points
nata0808 [166]

Answer:

1.C

2.A

3.D

4.C

5.B

6.A

7.B

8.C

9.A

10. D

Step-by-step explanation:

For Problem 1, the work is as follows:

2(3x-1)+x\\Distribute\\6x-2+x\\7x-2

For Problem 2, the work is as follows:

(3x^{2} +6x+4) - (-x^{2} +2x-1)\\Distribute -\\(3x^{2} +6x+4) + (x^{2} -2x+1)\\Combine\\4x^{2} +4x+5

For Problem 3, the work is as follows:

5b-(a+c)^{2} \\5(3) - (-1+-4)^{2} \\15 - (-5)^{2} \\15-25\\-10

For Problem 4, the work is as follows:

4x-8 = -12\\+8\\4x = -4\\-4/4 = -1\\x = -1

For Problem 5, the work is as follows:

\frac{1}{2} (12x-6) = 2x-15\\Distribute\\\\6x - 3 = 2x -15\\+3\\6x = 2x -12\\-2x\\4x = -12\\-12/4\\x = -3

For Problem 6, the work is as follows:

17 *0.06 = 1.02\\17+1.02 = 18.02

For Problem 7, the work is as follows:

x = (2,0)\\y = (0,-1)\\\frac{rise}{run} \\y = \frac{1}{2} x-1

For Problem 8, the work is as follows:

y_{2} -y_{1} \\x_{2} -x_{1} \\-1-1 = -2\\0-(-2) = 2\\Slope = -1

For Problem 9, the work is as follows:

3y - 2x +6 = 0\\-3y\\(-3y - -2x+6)/-3\\y = \frac{2}{3} x -2

For Problem 10, the work is as follows:

(y-3) = -2(x-1)\\Distribute\\(y-3) = -2x+2\\+3\\y = -2x +5

Hope this Helps!

4 0
3 years ago
how do you  figure out the ratio stars to squares when there are 11 squares 5 stars and two circles in the data?
weeeeeb [17]
Ok, first you have to just completely ignore the circles, they arent important. 
Secondly, The ratio is, 5 stars to every 11 squares
4 0
3 years ago
Read 2 more answers
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