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melamori03 [73]
3 years ago
5

Which of these triangles are right triangles?

Mathematics
2 answers:
kvasek [131]3 years ago
7 0
The answers are b,c,d because it has a sharp corner and it is not an acute triangle it is a right and it is exactly 90 degrees
Vlad [161]3 years ago
6 0

Answer:

the right triangles are B,C,D

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What is the answer to (9/10 - 2/5) - 1/3 and how do u get the answer
Oksanka [162]
(\frac{9}{10}-\frac{2}{5})-\frac{1}{3}=\ \ \ \ \ | make\ a\ common\ denominator\\\\
(\frac{27}{30}-\frac{12}{30})-\frac{10}{30}=\ \ \ | omit\ the\ bracket\\\\\frac{27}{30}-\frac{12}{30}-\frac{10}{30}=\frac{27-12-10}{30}=\frac{5}{30}=\frac{1}{6}\\\ Solution\ is\ \frac{1}{6}.
6 0
3 years ago
2x - y = 1<br> 3x - y = 2
Charra [1.4K]

Answer:x=1, y=1

Step-by-step explanation:

2(1)-1=1

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3 0
3 years ago
Find the product of each pair of complex conjugates.<br>(3+8i)(3-8i)=
sdas [7]
3*3=9

3 *-8i = -24i

8i *3 =24i

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9+64= 73

Answer 73
4 0
3 years ago
Read 2 more answers
Which expression is equivalent to r^m ÷ r^n?
Andre45 [30]
R^m ÷ r^n is equal to r^(m-n). 

For example, 2^5 <span>÷ 2^3 = 2^2.
</span>
Is that what you mean?
7 0
3 years ago
A storage tank holds 235,500 in^3 of a chemical. The chemical is dispensed to completely fill 25 identical cylindrical container
ololo11 [35]
Volume of a cylinder is given by V = πr^2h

Since the content of the storage tank completely filled the 25 identical cylinders, this means that the volume of the 25 cylinders combined is equal to the volume of the storage tank.

25(πr^2h) = 235,500
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Therefore, the height of the cylinderical containers is 120 in
8 0
3 years ago
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