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Cerrena [4.2K]
3 years ago
7

I can't figure out how to find the area of question D. I know I need the height and I know what to do after that but I have no c

lue how to find the height.

Mathematics
1 answer:
julia-pushkina [17]3 years ago
3 0
Imagine there is a right angle triangle formed with the 30 degree angle and the 10 cm side forming the hypotenuse. Now, you can use trigonometry to calculate the height of this triangle, which is the same as the height of this shape.
So sin(30) =  height/10
So, height = 5 cm<span />
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Combine like terms and simplify 4r - 6 - 2r + 5
murzikaleks [220]
C. 10r-3


Because 2r+5=7, the minus 6 and 7 which gives you 1 then minus 4 and 1 witch is 3 then you do 10r-3 and it will get you to 2r+5=7 again. I hope this helped!
4 0
2 years ago
Harish
Artist 52 [7]

Answer:

Step-by-step explanation:

Distance traveled in 1\frac{4}{5} hours = \frac{3}{10}

Distance traveled in 1 hour = \frac{3}{10} ÷ 1\frac{4}{5}

          =\frac{3}{10} ÷ \frac{9}{5}

          = \frac{3}{10}*\frac{5}{9}\\\\=\frac{1}{2}*\frac{1}{3}\\\\=\frac{1}{6}

distance traveled in 3 1/5 hours = \frac{1}{6}*3\frac{1}{5}

 ==\frac{1}{6}*\frac{8}{5}\\\\=\frac{1}{3}*\frac{4}{5}\\\\=\frac{4}{15}

5 0
2 years ago
Vanessa reads door books in seven weeks. How many books did she read each week?
stiks02 [169]
49 books u gotta multiply 7 days times 7 weeks
4 0
3 years ago
Help me on this question please. Thx
lana [24]
The trapezoid was translated Right 6 ,down 5
3 0
2 years ago
Raphel wants a new care, he needa a down payment of $3,000.If he saves $340 each month, about how many months will it take him t
Andre45 [30]
Hello! I would love to help!

Okay, we know that Raphel has to pay 3,000 dollars in a certain amount of months. Let's let "m" represent the amount of months it will take him.

Now, if we know that he saves 340 dollars a month, we can multiply the unknown amount of months, "m" by 340 to find how many will get 3000.

Here's our equation:

340m = 3000

Alright let's solve for m.

Divide both sides by 340.

340m/340= m

3000/340=8.824

So know we know m= 8.824, or exactly 8.824 months to save 3000 dollars.

However, it is really hard to count 8.824 parts of a month. Let's round it to the nearest whole, nine.


So, that means your answer is 9 months!

Hope this helped! Comment if you have questions!
3 0
3 years ago
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