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katen-ka-za [31]
4 years ago
7

the 8th grade class planned a trip to kings dominion and 120 students went. Ten students rode with their parents. The rest rode

on two charter busses. How many stidents were on each bus
Mathematics
2 answers:
Papessa [141]4 years ago
5 0

120-10=110/2=55 students per bus

pashok25 [27]4 years ago
4 0

Step one: 120-10= 110

Step two: 110÷2=55

Answer: 55 students per bus

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X - 35 > 15 i need answer IMEDIATLEY
SIZIF [17.4K]

I'm assuming you want us to solve this inequality for x, since the question wasn't too clear on that.

x - 35 > 15

Add 35 to both sides to remove the "-35" on the left side so we can isolate the x

x-35+35>15+35

x>50

The solution to this inequality is x>50. Let me know if you need any clarifications, thanks!

~ Padoru

6 0
3 years ago
Find the volume of the cone round to the nearest tenth
svlad2 [7]

Answer:

pi*2^2*2sqrt3/3

if pi=3

8sqrt3

Step-by-step explanation:

5 0
3 years ago
Find the generating function for the sequence 1,-2,4,-8, 16, ...
kirill [66]

Answer:

  a(x)=\dfrac{1}{1+2x}

Step-by-step explanation:

The generating function a(x) produces a power series ...

  a(x)=a_0+a_1x+a_2x^2+a_3x^3+\dots

where the coefficients are the elements of the given sequence.

We observe that the given sequence has the recurrence relation ...

  a_0=1;a_n=-2a_{n-1} \quad\text{for n $>$ 0}

This can be rearranged to ...

  a_n+2a_{n-1}=0

We can formulate this in terms of a(x) as follows, then solve for a(x).

\sum\limits^{\infty}_{n=1} {a_{n}x^n} =a(x)-a_0 \quad\text{and}\\\\\sum\limits^{\infty}_{n=1} {2a_{n-1}x^n} =(2x)a(x) \quad\text{so}\\\\\sum\limits^{\infty}_{n=1} {(a_n+2a_{n-1})x^n}=0=a(x)-a_0+2xa(x)\\\\a(x)=\dfrac{a_0}{1+2x}=\dfrac{1}{1+2x}

The generating function is ...

  a(x) = 1/(1+2x)

3 0
3 years ago
Read 2 more answers
Which equation involves a prime quadratic and cannot be solved by factoring? A. x2 + 6x + 9 = 0 B. x2 − x − 6 = 0 C. x2 + 3x − 4
Hitman42 [59]

The answer is D, because the others can be solved. A when factored is equal to -3, when B is factored it is equal to 3,-1, when C is factored it is 1,-4. D can be solved but you will only get irrational numbers which can't be used.

4 0
3 years ago
Read 2 more answers
A dog is standing 12 feet from a tree looking at a bird in the tree. the angle of elevation from the dog to the bird is 50°. how
jasenka [17]
The distance of the bird from the ground will be given by:
tan θ=opposite/adjacent
θ=50°
opposite=h
adjacent=12 ft
plugging in the values in the formula we get:
tan 50=h/12
thus
h=12tan50
h=14.301 ft
=14.3 ft 
5 0
3 years ago
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