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mars1129 [50]
3 years ago
6

Can someone help me with this. Will Mark brainliest.

Mathematics
2 answers:
aleksandr82 [10.1K]3 years ago
4 0

Answer:

B ( -1, -8)

Step-by-step explanation:

A ( -7, -6)

midpt (-4, -7)

Equation:

(x + 3, y - 1)

Solve for B:

(-4, -7)

(x + 3, y - 1)

( -1, -8)

slava [35]3 years ago
4 0
The guy on top of me is right I am just trying to give him more credit for his amazing answer
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Two planes left simultaneously from the same airport and headed in the same direction towards another airport 3600 km away. The
ExtremeBDS [4]

Answer:

  • 800 kph
  • 600 kph

Step-by-step explanation:

<u>Equation</u>

Let s represent the speed of the faster plane. Then its travel time is ...

  time = distance/speed = 3600/s

travel time for the slower plane is ...

  time = distance/speed = 3600/(s -200)

The difference in these times is 1.5 hours, so we have ...

  3600/(s -200) -3600/s = 1.5

<u>Solution</u>

Multiplying by (2/3)s(s -200), we get ...

  2400(s) -2400(s -200) = s(s -200)

  s^2 -200s -480000 = 0 . . . . . . . . . . rewrite in standard form

  (s -800)(s +600) = 0 . . . . . . . . . . . . . factor

The positive value of s that makes a factor zero is s = 800.

<u>Conclusion</u>

The speed of the faster plane was 800 km/h; of the slower plane, 600 km/h.

_____

<em>Check</em>

The travel time for the faster plane was 3600/800 = 4.5 hours. For the slower plane, 3600/600 = 6 hours, a difference of 1.5 hours.

6 0
3 years ago
You're downloading songs to your iPod the ratio of pop songs to rock songs is 5:4 download 40 pop songs how many rock songs do y
BigorU [14]
32 because you divide 40 bye 5 which is 8 then you times 8 bye 4

5 0
3 years ago
Each of the 10 students in the baking club made 2 chocolate cakes for a fundraiser. They all used the same recipe, using c cups
almond37 [142]

Answer:

h6hhh6hh7hh

Step-by-step explanation:

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5 0
3 years ago
Is y = 1/4x^0.5 a power function? Explain your reasoning.
LenaWriter [7]

Answer:

y =\displaystyle\frac{1}{4}x^{0.5}

It is a power function.

Step-by-step explanation:

We are given the following function in the question:

y =\displaystyle\frac{1}{4}x^{0.5}

We have to check whether the given function is a power function or not.

Power Functions :

  • A power function is of the form:

f(x) = ax^p,

where a is a constant and not equal to zero and p is a real number.

Comparing the given function, we get:

a = \displaystyle\frac{1}{4}\\\\p = 0.5

Hence, the given function is a power function.

3 0
3 years ago
At a soccer tournament there are (16x+30) boys and (5x-12) more girls if x= 5 how many girls are at the tournament
VikaD [51]
16(5)+30
16x5=80
80+30=110


5(5)-12
5x5=25
25-12=13

110x13=1430

There are 1430 girls at the soccer tournament. 

Hope this helps!

3 0
4 years ago
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