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Phantasy [73]
3 years ago
5

I need help with Geometry

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
5 0

Answer:

73 degrees

Explanation:

if the degrees in a pentagon add up to 540 then you subtract all the angles you have right now and you get 107 and since it's on a straight line you do 180 - 107 to get you 73

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Leon has a gift card for $100. He spent $65 of it on books. What is the new balance in Leon's card?
Grace [21]

Answer:

$35

Step-by-step explanation:

Please mark brainliest

3 0
3 years ago
Lim x-1 x³-2x²+3x-2/(2x^4-3x+1)
UkoKoshka [18]

Since the limit becomes the undetermined form

\displaystyle \lim_{x\to 1} \dfrac{x^3-2x^2+3x-2}{2x^4-3x+1} \to \dfrac{0}{0}

it means that both polynomials have a root at x=1. So, we can fact both numerator and denominator:

x^3-2x^2+3x-2 = (x-1)(x^2-x+2)

2x^4-3x+1 = (x-1)(2x^3+2x^2+2x-1)

So, the fraction becomes

\dfrac{(x-1)(x^2-x+2)}{(x-1)(2x^3+2x^2+2x-1)} = \dfrac{x^2-x+2}{2x^3+2x^2+2x-1}

Now, as x approaches 1, you have no problems anymore:

\displaystyle \lim_{x\to 1} \dfrac{x^2-x+2}{2x^3+2x^2+2x-1} \to \dfrac{2}{5}

4 0
3 years ago
Jasmine wants to use her savings of $1128 to buy video games and music CDs. The total price of the music CDs she bought was $72.
Jlenok [28]
The maximum # of video games Jasmine can buy is 24.
1128-72=1056
1056/43=24.55
simplified is 24
4 0
3 years ago
Which one of these data sets has a mean that is different from the others?
Kamila [148]

Answer:

The top right graph.

Step-by-step explanation:

If you find the mean for all the graphs you get:

Graph 1: 7                                         Graph 2: 2

Graph 2: 7                                        Graph 4: 7

To find the mean you all all the numbers up and divide it by the number of data points for example heres the first graph:

8 + 8 +8 +8 +8 +8 +1 = 49    Add the data points

49 / 7 = 7                              Divide by the total amount of points which is seven

4 0
3 years ago
Which composition of transformations will create a pair of similar, not congruent triangles?
lana66690 [7]

Answer: D  a rotation, then a dilation

Step-by-step explanation:

A triangle is said to be congruent when all angles are equal to each other and and has the same side.

it is similar  when the two angles correspond with each other and has different sides.

so for a triangle to be different in side only a dilation has to be apply to it. Performing a rotation,reflection, and translation doesn't change the size of the shape it  changes the position of the shape.  

4 0
3 years ago
Read 2 more answers
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