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bogdanovich [222]
3 years ago
8

396 divided by 88 with work shown

Mathematics
1 answer:
RSB [31]3 years ago
6 0
The answer is 4.5, I hope this helps.

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Dave and Sandy Hartranft are frequent flyers with a particular airline. They often fly from City A to City B, a distance of 756
horsena [70]

Answer:

Plane = 441 mi/h; wind =  63 mi/h

Step-by-step explanation:

distance = rate × time

 Let p = the plane's speed in still air

and w = the wind speed . Then,

p + w = speed with wind

 p - w = speed against wind

We have two conditions:

(1)  756 = (p - w) × 2

(2) 756 = (p + w) × 1.5

Distribute the constants                  (3)    756 = 2p - 2w

                                                          (4)   756 = 1.5p + 1.5 w  

Multiply Equation (3) by 3                (5) 2268 = 6p  -  6w

Multiply Equation (4) by 4                (6) 3024 = 6p + 6w

Add Equations (5) and (6)                     5292 = 12p

Divide each side by 12                     (7)        p = 441 mi/h

Substitute (7) into Equation(3)                 756 = 882 - 2w

Add 2w to each side                      2w + 756 = 882

Subtract 756 from each side                    2w = 126

Divide each side by 2                                 w = 63 mph

The plane's speed in still air is 441 mi/h.

The wind speed is 63 mph.

Check:

(1) 756 = (441 - 63) × 2     (2) 756 = (441 + 63) × 1.5

   756 = 378 × 2                   756 = 504 × 1.5

   756 = 756                         756 = 756

8 0
3 years ago
Determine whether the two figures are similar. If so, give the similarity ratio of the smaller figure to the larger figure. The
geniusboy [140]
B

3x6=18
4x6=24
16x6=96
The second picture is 6 times bigger than the first so it's 1 to 6
8 0
3 years ago
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Calculate the rectangular prism with a length of 5.6cm, a with of 2.1 cm, and a height of 6.6cm.
Inessa05 [86]
5.6 x 2.1 x 6.6 = 77.616 2 significant figures would be 78 cm³ 2 decimal places would be 77.62 cm³
8 0
3 years ago
Shiela is 1.7m tall. Her son is 109cm tall. How many meters taller is Shiela than her son?
Tju [1.3M]
Shiela is 0.61 meters taller than her son.
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Find the perimeter of the figure to the nearest hundredth.
Kobotan [32]

Answer:

65.12 mm

Step-by-step explanation:

Circumference of semicircle = 8π mm

Perimeter = (40 + 8π) = 65.12 mm

7 0
3 years ago
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