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nevsk [136]
3 years ago
10

1/2 + 1/5 fraction model pls help!

Mathematics
2 answers:
irina [24]3 years ago
8 0

1/2 + 1/5 = 5/10 + 2/10 = 7/10

blagie [28]3 years ago
6 0

Answer:

7/10

Step-by-step explanation:

1x5/2x5 + 1x2/5x2

=5/10+2/10

=7/10

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What is the area of this triangle? (Image Attached)
Snezhnost [94]
\bf \textit{Law of Cosines}\\ \quad \\
c^2 = {{ a}}^2+{{ b}}^2-(2{{ a}}{{ b}})cos(C)\implies 
c = \sqrt{{{ a}}^2+{{ b}}^2-(2{{ a}}{{ b}})cos(C)}\\\\
-----------------------------\\\\
\textit{so, let's find the missing side}
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c=\sqrt{2.7^2+3.4^2-2(2.7)(3.4)cos(40^o)}
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or we can round it, to say c = 2.19, so  hmm that's the missing side
now, we use Heron's Formula, which uses all 3 sides only

\bf \textit{Heron's Area Formula}\\\\
A=\sqrt{s(s-a)(s-b)(s-c)}\qquad 
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b=3.4\\
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6 0
3 years ago
Read 2 more answers
Can somebody help me please?
faust18 [17]

Answer:

3 x 5 divided by 1/3

45

Step-by-step explanation:

3 0
3 years ago
Please help with math
pshichka [43]
I did some research, and I think it's the first one. PLEASE CORRECT ME IF I'M WRONG!!
Here's why, because the first segment extends from 0 to 1. So, x has to be 0 or larger, but less than 1 or 1.
5 0
3 years ago
How do you simplify 2/3 divided by 1/3
suter [353]

Answer:

2

Step-by-step explanation:

Solve. To do so, change the division sign into a multiplication sign, and flip the second fraction:

(2/3)/(1/3) = (2/3) x (3/1)

Multiply across:

(2 * 3)/(3 * 1) = (6)/(3)

Simplify:

6/3 = 2

2 is your answer.

~

8 0
2 years ago
Ken used 3/4 of his wrapping paper. If he used 12 feet how much wrapping paper did he use
Free_Kalibri [48]

Answer: If Ken used 12 feet of wrapping paper, 3/4 then he would have had 16 ft of wrapping paper before he started wrapping

Step-by-step explanation:

12 divided by 3 is 4 giving us the equation 4/4 equals 4 x 4

8 0
3 years ago
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