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jolli1 [7]
3 years ago
5

Help ASAP!! Will give brainliest to correct answer!!

Mathematics
2 answers:
inna [77]3 years ago
8 0

Answer:

The answer would be D

Step-by-step explanation:

PQT and TQR

bearhunter [10]3 years ago
3 0

Answer:

The answer to your question is letter D

Step-by-step explanation:

Supplementary angles are two angles when added gives 180°.

-To solve this problem look for angles with this characteristic.

- One possibility is angles ∠PQT + ∠TQS + ∠SQR

  but we need only 2 angles not 3 angles

- Another possibility is angles

                ∠PQT + ∠TQR = 180°

This answer is a choice, so this is the right answer.

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During a test period, an experimental group of 10 vehicles using an 85 percent ethanol-gasoline mixture showed mean CO2 emission
Aleksandr-060686 [28]

Answer:

Probably unequal  ( B )

Step-by-step explanation:

<u>experimental group = 10</u>

using 85% ethanol gasoline

mean = 240 pounds per 100 miles

standard deviation = 20 pounds

<u>control group = 14 vehicles </u>

using regular gasoline

mean = 252 pounds per 100 miles

standard deviation = 15 pounds

comparing  the sample variance of each group shows that they are probably unequal using the equation below

Variance for a sample set of data = ∑ ( x - X ) ^2 / n - 1

where n = number of events

X = mean value

x = value of events

8 0
3 years ago
Write the slope-intercept form of the equation of the line that passes thrqugh (-4, -3) and is
Zielflug [23.3K]

Answer:

Step-by-step explanation:

Equation of the line y = mx + c

The new line is perpendicular to 2x - 3y = -5

                                         - 3y = - 5 - 2x

                                           3y = 2x + 5

                                            y =\frac{2x}{3} + \frac{5}{3}

Since the lines are perpendicular to each other : m_{1} . m_{2} = -1

where m_{1} \ slope \ of \ the \  given  \ line  \ and  \ m_{2} \  slope \ of \ the  \ new  \line\\.

Slope of the given line

                m_{1} = \frac{2}{3}

Slope of the new line

                \\\frac{2}{3}.m_{2} = -1\\  m_{2} = -1 . \frac{3}{2}   = \frac{-3}{2}

The equation to the new line passing through (-4, -3) and perpendicular to 2x - 3y = -5

                            (y - y_{1}) = m_{2}(x-x_{2} )\\\\(y - (-4)) = \frac{-3}{2}(x - (-3)) \\\\(y + 4) = \frac{-3}{2} (x+ 3)\\\\2(y +4) = -3(x+3)\\\\2y + 8 = -3x -9 \\\\2y = -3x - 9 -8\\\\y = \frac{-3x}{2} - \frac{17}{2}

8 0
3 years ago
Who is muslim? ramadan mubarak!
Mkey [24]

Answer:

Mean

Step-by-step explanation:

The mean is the average so practically meaning most in this case.

Not muslim but felt like I could help

4 0
3 years ago
Express the work in terms of l, f, and θ. remember to use radians, not degrees, for any angles that appear in your answer.
ivolga24 [154]
Assuming I see a force F acting on an object at an angle theta with the horizontal pushing it through a rough surface over a distance L such that the horizontal component is just required to overcome friction.

Then work done is
W=FLcos(theta)

(Read assumptions above due to lack of diagram)
6 0
3 years ago
What is an equation of the line that passes through the points (0,4) and (2,10).
Serhud [2]

Answer:

Y=3x+4

Step-by-step explanation:

Slope =3

Then y=3x+c

The point pass through (0,4) then put x=0 and y=4

4=3(0)+c

Then c=4

The equation is y=3x+4

7 0
3 years ago
Read 2 more answers
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