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Y_Kistochka [10]
4 years ago
12

Find the area of the right triangle △DEF with the points D (0, 0), E (1, 1), and F.

Mathematics
1 answer:
xxTIMURxx [149]4 years ago
6 0
The area of the triangle is (1/2)(DE)^2*tan(60°) = (1/2)*2*√3 = √3.

Selection C is appropriate.

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7 0
3 years ago
Find −5 5/6÷(−4 9/10). Write your answer as a mixed number in simplest form.
uranmaximum [27]

Answer: 1\dfrac{4}{21} .

Step-by-step explanation:

Given problem : \left(-5\dfrac{5}{6}\right)\div\left(-4\dfrac{9}{10}\right)

First we convert mixed fraction into improper fractions as

-5\dfrac{5}{6}=-\dfrac{5\times6+5}{6}=-\dfrac{30+5}{6}=-\dfrac{35}{6}\\-4\dfrac{9}{10}=-\dfrac{10\times4+9}{10}=-\dfrac{40+9}{10}=-\dfrac{49}{10}

Now , plug these values in the given expression , we get

\left(-5\dfrac{5}{6}\right)\div\left(-4\dfrac{9}{10}\right)=-\dfrac{35}{6}\div\left(-\dfrac{49}{10}\right)\\\\=\dfrac{-35}{6}\times\dfrac{-10}{49}\ \ \ [\text{By Property of fraction}]\\\\=\dfrac{350}{294}\\\\=\dfrac{25}{21}=1\dfrac{4}{21}

Hence, the answer is 1\dfrac{4}{21} .

8 0
3 years ago
I the diagram wht is m What does it equal
Liono4ka [1.6K]

Answer:

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7 0
3 years ago
2,4*10<br> 31,56*10<br> 3,7*100
ki77a [65]

Answer:

Step-by-step explanation:

1. 24

2. 315.6

3. 370

hopefully this helps and sorry if i did it wrong god bless love

4 0
3 years ago
If a condominium is purchased for Php 5,700,000.00 and the bank requires 30% down payment, how much is the mortgaged amount?
Darya [45]

We are given that the condominium cost Php 5,700,000.00 and a down payment was made. Since the down payment was 30% of the total cost, therefore we can conclude that the mortgage amount is 70% of the total cost. Hence:

70% = 0.70

 

mortgage amount = 5,700,000.00 * 0.70

mortgage amount = 3,990,000.00

 

Answer:

<span>Php 3,990,000.00</span>

3 0
3 years ago
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