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allochka39001 [22]
2 years ago
5

Please solve... I will mark you brainliest

Mathematics
2 answers:
Arisa [49]2 years ago
7 0

x=16\\m

andreyandreev [35.5K]2 years ago
4 0

Answer:

x=42,

Step-by-step explanation:

sorry i don't know the rest but hope this helps u don't need to mark me brianlest i just wanted to help

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Please help I really need an answer anything would help! :)
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Answer:     lise will play 2 times deanna will play 4 times                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        

 

Step-by-step explanation:

6 0
4 years ago
E What is the surface area of the square pyramid? 3 2 square units​
Alexxandr [17]

Answer:

I believe its 16.

Step-by-step explanation:

Because 2 x 2 (for the square) is 4. 2 x 3 is 6, and 6 divided by 2 is 3. And 3 x 4 (for all the triangles) is 12. So 12 + 4 is 16. So the surface area should be 16.

3 0
3 years ago
In your backpack there are three math books, two science books, and five notebooks. If you reach into your backpack and select a
sp2606 [1]

Answer:

The answer is C (No. These are dependent events and you can calculate the probability of this outcome using the formula)

3 0
3 years ago
Solve the quadratic equation x square + 6 x + 9 equals 0​
Nataly [62]
X^2 + 6x +9
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4 0
3 years ago
A helicopter takes off from the ground 800 feet from the base of a building. It flies in a straight line directly to the top of
Stolb23 [73]

Answer:

11.3°

Step-by-step explanation:

Refer the attached figure .

Height of building i.e. AB = 160 feet.

A helicopter takes off from the ground 800 feet from the base of a building i.e. BC = 800 ft.

We are required to find what angle did the helicopter take off from i.e. ∠ACB

We will use trigonometric ratio .

tan\theta = \frac{Perpendicular}{Base}

tan\theta = \frac{AB}{BC}

tan\theta = \frac{160}{800}

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\theta =11.3^{\circ}

Thus the  angle at which  the helicopter take off from is 11.3°

3 0
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