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alexira [117]
3 years ago
6

I have no clue how to solve this. Please help!!!

Mathematics
1 answer:
Stels [109]3 years ago
8 0

Answer:

I believe the answer is c

Step-by-step explanation:

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Find an expression for the area enclosed by quadrilateral ABCD below.
viktelen [127]

∆ABD is right angled hence area:-

\\ \sf\longmapsto \dfrac{1}{2}bh

\\ \sf\longmapsto \dfrac{1}{2}(4x)(3x)

\\ \sf\longmapsto \dfrac{1}{2}(12x^2)

\\ \sf\longmapsto 6x^2

There is only one option containing 6x^2 i.e Option D.

Hence without calculating further

Option D is correct

8 0
2 years ago
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Mrs.Tampo has 17 students in her class last year and this year she had 25 students in math class what is the percent of change
Alla [95]

Answer:

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Step-by-step explanation:

Solution:

Calculate percentage change

from V1 = 25 to V2 = 17

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2 years ago
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the scale factor of the dimensions of two similar wood floors is 5 : 4 it cost 272 to refinish the smaller wood floor at that ra
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6 0
3 years ago
Need help on #6 step by step I'm so confused how this works I always get stuck
inna [77]
To find the variable x, set the two outside equations equal to each other because all sides are equal
x+13=3x+3
13=2x+3
10=2x
x=5

then to find h, you set the equation equal to 90 because that's how many degrees it is
2h-45=90
2h=135
h=67.5
6 0
3 years ago
What is the volume of this rectangular prism? 5 4 cm 4 3 CT | C 3 5 cm cm​
padilas [110]
(5/4)•(4/3)•(3/5)

So you multiply all of them basically
8 0
1 year ago
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