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Sedbober [7]
2 years ago
11

Answerrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr

Mathematics
1 answer:
Ulleksa [173]2 years ago
8 0

Answer:

  • 5x²-2x+7+2x²+6x-9
  • 5x²+2x²-2x+6x+7-9
  • 7x²+4x-2

so, 7x²+4x-2 is yr answer.

hope it helps.

<h3>stay safe healthy and happy.</h3>
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F(x)=x^2-3x+15<br> find f(-8)
Vlada [557]

Answer:

103

Step-by-step explanation:

(-8)²-3(-8)+15

64+24+15

103

8 0
2 years ago
Approximately how much more quickly (in mph) does a pilot traveling 400 mph and rising at an angle of 30o gain altitude versus a
REY [17]
We can find the height of the altitude by the ratio of sin. See my attachment.
sin of angle = side in front of the angle / hypotenuse
sin x = height/distance

If the two pilot is rising in an hour, then the first distance is 400 miles, the second distance is 300 miles.

Find the height of first pilot
height/distance = sin x 
height/400 = sin 30°
height = sin 30° × 400
height = 1/2 × 400
height = 200

Find the height of second pilot
height/distance = sin x 
height/300 = sin 40°
height = sin 40° × 300
height = 0.642 × 300
height = 192

So the first pilot traveling 400 mph with 30° is more quickly to reach high altitude than the second pilot traveling 300 mph with 40°

3 0
3 years ago
What is the surface area of the cube below?
Elden [556K]

Answer:

150 units^2

Step-by-step explanation:

A cube has all equal sides. This one has five units for every side.

There are 6 faces here, and 4 vertices for every face.

The equation would look like this 6 x side^2.

Which would also equal to 6 x 5^2.

If you do this, you will find that the answer is 150 units^2.

7 0
3 years ago
I need help with this qustion ?
emmainna [20.7K]
The answer should be 32.
4 0
3 years ago
Martina filled 100 mL container with water. Simone field a 1.2 L container. How much water more water did Simone have her contai
Helga [31]

20 mL

hope this helps

                                            

              

     

5 0
3 years ago
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