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ki77a [65]
3 years ago
13

2 Points

Mathematics
2 answers:
kirill [66]3 years ago
6 0

Answer:

b isosceles and e acute

MariettaO [177]3 years ago
3 0

Answer:

D and F

Step-by-step explanation:

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The average distance in miles traveled in one hour if 660 miles can be covered in 1.5 hours
mariarad [96]

Answer:

440

Step-by-step explanation:

1.5 hours he 90 minutes

660/ 90=7.333

7.333*60 (which is how many minutes in an hour = 440 miles

6 0
3 years ago
Cuál es el número que agregado a 3 suma 8,hacer una ecuacion
aliya0001 [1]
X + 3 = 8
x = 8 - 3
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3 years ago
Select the statement that correctly describes the solution to this system of equations.
jasenka [17]
Selection C is appropriate.

7 0
2 years ago
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
Paz has $18 in her wallet. This is 3 times the money in her pocket. Write and solve an equation to find out how much money is in
taurus [48]
6. the answer is 6. because 3x what she has is equal to 18 all u do is divide. u get six.

6 0
3 years ago
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