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Gala2k [10]
3 years ago
14

What is 1 + ( -2/3) - ( -9/2)

Mathematics
1 answer:
Bingel [31]3 years ago
4 0

Answer

29/6  or 4 5/6

Step-by-step explanation:

1. Find a common denominator

2. Common denominator is 6   Remember - multiply by a - gives you a positive.

3. Rewrite 6/6 -4/6 +27/6

4. Add the numerators together to get 29

5. Answer is 29/6 or as a mixed number 4 5/6

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Find the 110 term of the sequence -7, 3, 13, 23, ...
Evgesh-ka [11]

First, find the nth term
To do this, find the term to term difference...
A
-7 and 3 = 10
3 and 13 = 10
13 and 23 = 10

As the difference is 10, we now write out the 10 times table

10, 20, 30, 40

The next step is to work out how to get from the sequence to the 10x table
B
-7 - 10 = -17
3 - 20 = -17
13 - 30 = -17
23 - 40 = -17

Now use the answer from each section in the general formula
x = An + B
This could also be written as ?n + ? 
Using our numbers, this becomes 10n - 17

Now use the formula to work out the 110th term
(10 x 110) - 17
1100 - 17 = 1083
7 0
3 years ago
What is the value of y?<br><br> 2<br> 5<br> 7<br> 8
swat32
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6 0
2 years ago
Given the functions f(x) = 4x2 − 1, g(x) = x2 − 8x + 5, and h(x) = –3x2 − 12x + 1, rank them from least to greatest based on the
kvasek [131]
The axis of symmetry of a quadratic function f(x)=ax^2+bx+c is given by the equation x=h, where h is the x-coordinate of the vertex and is equal to \frac{-b}{2a}.

1.
f(x)=4x^2-1 \\&#10;a=4 \\ b=0 \\ \Downarrow \\&#10;h=\frac{-0}{2 \times 4}=0 \\ \\&#10;\hbox{the axis of symmetry:} \\&#10;x=0

2.
g(x)=x^2-8x+5 \\&#10;a=1 \\ b=-8 \\ \Downarrow \\ h=\frac{-(-8)}{2 \times 1}=\frac{8}{2}=4 \\ \\&#10;\hbox{the axis of symmetry:} \\&#10;x=4

3.
h(x)=-3x^2-12x+1 \\&#10;a=-3 \\ b=-12 \\ \Downarrow \\ h=\frac{-(-12)}{2 \times (-3)}=\frac{12}{-6}=-2 \\ \\&#10;\hbox{the axis of symmetry: \\&#10;x=-2

The functions ranked from least to greatest based on their axis of symmetry: h(x), f(x), g(x).
7 0
3 years ago
MAKE SURE IT IS 100% CORRECT
masha68 [24]
They are vertical angles. They are congruent. 

(2x+2)= (3x-52)

Add 52 to the other side. 

2x+54=3x

Subtract 2x on both sides.

54=x

I hope this helps!
~kaikers
7 0
3 years ago
What is the period of the graph?
beks73 [17]

Answer:

3 pi.

Step-by-step explanation:

6 0
3 years ago
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