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Salsk061 [2.6K]
3 years ago
8

Please answer this correctly

Mathematics
2 answers:
ValentinkaMS [17]3 years ago
8 0

Answer:

Step-by-step explanation:

winter 10%

spring 25%

summer 50%

fall 15%

mars1129 [50]3 years ago
6 0

Answer:

Winter: 10%

Spring: 30%

Summer: 40%

Fall: 20%

Step-by-step explanation:

Winter: \frac{1}{1+3+4+2} =\frac{1}{10} =\frac{10}{100} or 10%

Spring: \frac{3}{1+3+4+2} =\frac{3}{10}=\frac{30}{100} or 30%

Summer: \frac{4}{1+3+4+2} =\frac{4}{10} =\frac{40}{100} or 40%

Fall: \frac{2}{1+3+4+2} =\frac{2}{10} =\frac{20}{100} or 20%

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Samantha walks 15 meters in 5 seconds. What is her walking rate? *<br> 1 point
Scrat [10]

Answer:

3 meters per second

Step-by-step explanation:

15 divided by 5 = 3

3 m/s

6 0
3 years ago
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Solve for x: 4/x+4/x2-9=3/x-3
anzhelika [568]

Answer:

x =1/12(1-√(97) )

Step-by-step explanation:

4 0
3 years ago
Help if you can do this please
olga nikolaevna [1]

Answer:

Step-by-step explanation:

a. Since the parabola is compressed by a factor of 1/3 we can state:

  • a parabola is written this way : y=(x-h)²+k
  • h stands for the translation to the left ⇒ 2*3=6
  • k for the units down  ⇒4*3=12

So the equation is : y=(x-6)²+12

b.Here the parabola is stretched by a factor of 2 so we must multiply by 1/2

  • We khow that a parabola is written this way : y=(x-h)²+k
  • (h,k) are the coordinates of the vertex
  • the maximum value is  7*0.5=3.5
  • we khow tha the derivative of a quadratic function is null in the maximum value
  • so let's derivate (x-h)²+k= x²+h²-2xh+k
  • f'(x)= 2x-2h    h is 1 since the axe of simmetry is x=1
  • f'(x)=2x-2 ⇒2x-2=0⇒ x= 1
  • Now we khow that 1 is the point where the derivative is null
  • f(1)=3.5
  • 3.5=(x-1)²+k
  • 3.5= (1-1)²+k⇒ k=3.5

So the equation is : y=(x-1)²+3.5

7.

the maximum height is where the derivative equals 0

  • h= -5.25(t-4)²+86
  • h= -5.25(t²-8t+16)+86
  • h=-5.25t²+42t-84+86
  • h=-5.25t²+42t+2

Let's derivate it :

  • f(x)= -10.5t+42
  • -10.5t+42=0
  • 42=10.5t
  • t= 42/10.5=4

When the height was at max t=4s

  • h(max)= -5.25(4-4)²+86 = 86 m

h was 86m

8 0
3 years ago
In triangle ABC, P is a centroid on a median AD. If AD=33 and AP&gt;PD find AP
jasenka [17]

Answer:

AP = 22

Step-by-step explanation:

In a triangle, the centroid divides the median in the ratio 2:1.

It is given that AD is the median and AD = 33

It is also given that P is the centroid on the median AD.

Therefore, P divides AD in the ratio 2:1.

\frac{AP}{PD} =\frac{2}{1}

AP = 2k and PD = k

AD = 33

AP + PD = 33

2k + k = 33

3k = 33

k = 11

So, AP = 2k = 2(11) = 22

7 0
3 years ago
It has 2 more vertex than an octagon and 2 fewer sides then a hendecagon
kondaur [170]
It's a hexagon it has 6 sides

4 0
3 years ago
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