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ad-work [718]
2 years ago
7

Which is greater? -1 17/20 or -1 8/10PLSSS HELP ASAPplsss show work aswell

Mathematics
1 answer:
wel2 years ago
6 0
-1 17/20 and -1 8/10 can be compared easily if we give them common denominators. If we multiply the second fraction by 2, both fractions will have a denominator of 20.

8 * 2 = 16
10 * 2 = 20
New fraction: 16/20

-1 17/20 vs. - 1 16/20

-1 16/20 (-1 8/10) is greater. (For negative numbers, you can tell which one is greater by determining which one is closest to zero.)
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Can someone pls help me with proving that (f)x^2-2|x| is increasing over [1;infinity] and decreasing over [0;1] then deduce that
dedylja [7]
Derivatives galore. Don't forget you might need to split the function because of the absolute value.

4 0
3 years ago
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How do we get to the vertex if this is the function: n(x)= |-1/3x + 1| =2 ??
vagabundo [1.1K]

Answer:

ANSWER IS BELOW

Step-by-step explanation:

Find the properties of the given parabola.

Tap for more steps...

Direction: Opens Up

Vertex:

(

0

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0

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(0,0)

Focus:

(

0

,

3

4

)

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Axis of Symmetry:

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Directrix:

y

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−

3

4

y=-34

Select a few

x

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values, and plug them into the equation to find the corresponding

y

y

values. The

x

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x

y

−

2

4

3

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1

1

3

0

0

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3

3

3

xy-243-1130011333

Graph the parabola using its properties and the selected points.

Direction: Opens Up

Vertex:

(

0

,

0

)

(0,0)

Focus:

(

0

,

3

4

)

(0,34)

Axis of Symmetry:

x

=

0

x=0

Directrix:

y

=

−

3

4

y=-34

x

y

−

2

4

3

−

1

1

3

0

0

1

1

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xy-243-1130011333

3 0
3 years ago
Can you help find the inverse of the functions? (15 points)
anyanavicka [17]

hi so for the first exercise it’s the 3rd and for the second exercise it’s the first

Step-by-step When you have to find the inverses of numbers the sign ( -or+ ) never change see: the inverse of 2 is 1/2 or the inverse of (x+7)/(3x-5) is (3x-5)(x+7), hope you’ll understand : )

6 0
3 years ago
How many terms are in the expression 4x -4 +3y?
horrorfan [7]

Answer:

three (3)

Step-by-step explanation:

4x is the first term

-4 is the second term

3y is the third term

7 0
3 years ago
Mary who is 13 years old wants to have $8500 to travel to Argentina when she’s 21 years old. She currently has $6439 in savings
marishachu [46]

Answer:

a; she will have $8812

b: It will be enough for her trip

Step-by-step explanation:

In this question, we are tasked with calculating how much a certain value in a savings account that is earning an interest that is compounded annually will be worth.

To calculate this, we use the compound interest formula;

A = P((1+r/n)^{nt}

Where A is the amount after that number of years which of course we want to calculate

P is the principal amount which is the amount we are investing which is $6439 according to the question

r is the interest rate which is 4% = 4/100 = 0.04

t is the time which is 8 years

n is 1 which is the number of times interest will be compounded annually

We plug these values as follows;

A = 6439(1 + 0.04/1)^8

A = 6439(1.04)^8

A = $8,812.22

This amount is greater then the needed $8,500 for the trip and of course it will be enough

8 0
3 years ago
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