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shepuryov [24]
3 years ago
10

Mr. Watson uses 10.5 gallons of gasoline to drive the first 313 miles of the trip. How many gallons of gasoline would he need to

drive 450 miles
Mathematics
1 answer:
adelina 88 [10]3 years ago
7 0
450/313*10.5 = 15.09.... which is approx is 15
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Can someone please help the question is ; find 75% of 192
natima [27]

Answer:

75% of 192 is 144

Step-by-step explanation:

The answer is 144 because 192 multiplied by 75% is 144.

P.S Can I have brainliest?

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HELP PLEASE!!! will give brainliest!!<br> Domain and range from graph<br> What is the range of g?
Sonbull [250]

Answer:

[-4,9)

Step-by-step explanation:

im like 99% sure this is right bc i just did a problem like this (:

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To eliminate the y-terms and solve for x in the fewest steps, by which constants should the equations be multiplied by before ad
vovikov84 [41]

Answer:

use -9 to multiply the first equation

use -4 to multiply the second equation.

Step-by-step explanation:

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5x-4y=28

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6 0
3 years ago
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In a factory, a parabolic mirror to be used in a searchlight was placed on the floor. it measured 50 centimeters tall and 90 cen
slavikrds [6]
Y=-2/81x^2+50 is the answer 
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Given: PSTR is a parallelogram m∠T:m∠R=1:3, RD ⊥ PS , RM ⊥ ST Find: m∠DRM
balu736 [363]

Answer:

m∠DRM = 45°

Step-by-step explanation:

∵ PSTR is a parallelogram

∴ TS // RP ⇒ opposite sides

∴ m∠T + m∠R = 180° ⇒ (1) (interior supplementary angles)

∵ m∠T : m∠R = 1 : 3

∴ m∠R = 3 m∠T ⇒ (2)

- Substitute (2) in (1)

∴ m∠T + 3 m∠T = 180

∴ 4 m∠T = 180

∴ m∠T = 180 ÷ 4 = 45°

∴ m∠R = 3 × 45 = 135°

∵ m∠R = m∠S ⇒ opposite angles in a parallelogram

∴ m∠S = 135°

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∴ m∠RDS = 90°

∵ RM ⊥ ST

∴ m∠RMS = 90°

- In quadrilateral RMSD

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∵ m∠RDS = 90°

∵ m∠RMS = 90°

∵ The sum of measure of the angles of RMSD = 360°

∴ m∠DRM = 360 - ( 135 + 90 + 90) = 45°

3 0
3 years ago
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