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Nat2105 [25]
3 years ago
13

PLease answer!!! 30 points!!!

Mathematics
2 answers:
Agata [3.3K]3 years ago
7 0

Answer:

a

Step-by-step explanation:

They make a right angle. A right angle adds up to 90.

yuradex [85]3 years ago
5 0

Answer:

<h2>C.</h2>

Step-by-step explanation:

<h2>Hopes this helps. Mark as brainlest plz!</h2>
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What is the surface area of the figure made from this net?
LekaFEV [45]
Let's work on Sections. The top rectangle has an area of 54 (6x9) the base rectangle has an area of 360 ((9+6+9+5)×12) and the bottom rectangle has an area of 54 (9×6) now we add and we get 468. thus the answer is C.

6 0
2 years ago
Set A={1,2,3,4,5,6} two numbers from set A are selected at random without replacement and their sum recorded how many different
wolverine [178]
The minimum sum is 3 and the maximum is 11. So there are 9 different possible sums.
There are 30 ways to get these 9 different sums.
The table below shows all outcomes.

1 2 3 4 5 6
———————————-
1 | X 3 4 5 6 7
2 | 3 X 5 6 7 8
3 | 4 5 X 7 8 9
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6 0
2 years ago
A triangular pyramid has an isosceles triangular base. The base edge of the triangular base is 10
tester [92]

Answer:

h=94.87

Step-by-step explanation:

1. Volume of pyramid formula:

v=\frac{1}{3}*a^{2}*h

a=b*h Base Edge * Height of Pyramid

2. We have variables:

V = 480, Base Edge = 10, Height of Base = 16 (Inch)

3. Plug into formula + Rearrange:

\frac{3V}{h} =(b*h)^{2} [b^{2} *h^{2} ]

\frac{3V*b^{2} }{h} =h^{2}

h^{2}=\frac{3*480*10^{2} }{16}

h=\sqrt{9000}

h≅94.868

7 0
2 years ago
-194+4x=76-11x<br><img src="https://tex.z-dn.net/?f=%20-%20194%20%2B%204x%20%3D%2076%20-%2011x" id="TexFormula1" title=" - 194 +
Yuki888 [10]

(x ) = (18)
x=226
x =  \frac{226}{4 - e}
6 0
3 years ago
Which expressions is equivalent to <br><img src="https://tex.z-dn.net/?f=7%20%7B%7D%5E%7B%20-%204%7D%20%20%5Ctimes%207%20%7B%7D%
beks73 [17]

Answer:

7⁻⁴×7³ = \frac{7^{3} }{7^{4} } = \frac{1}{7}

:)

6 0
2 years ago
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