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timurjin [86]
3 years ago
9

I dont understand this problem

Mathematics
1 answer:
Effectus [21]3 years ago
5 0
Which one is it?????

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Can someone please help me ASAP​
deff fn [24]

Answer:

QR = 17 cm

Step-by-step explanation:

Δ RST is a 5- 12- 13 triangle with hypotenuse RT = 13 cm , then

TS = 5 cm and PT = 2 × 5 = 10 cm

So PS = 10 + 5 = 15 cm

PS is parallel to the vertical line from vertex Q and intersects the horizontal line projected from SR of length 20 - 12 = 8 cm

Using the right triangle formed calculate QR using Pythagoras' identity

QR² = 15² + 8² = 225 + 64 = 289 ( take square root of both sides )

QR = \sqrt{289} = 17

3 0
3 years ago
Who know how to do this 100% smart
chubhunter [2.5K]

Answer:

1- \frac{1}{2}

2- 1

3- -2

Step-by-step explanation:

1-

Add the numbers : \frac{5}{10}

Reduce the fraction with 5 : \frac{1}{2}

Solution : \frac{1}{2}

2-

Calculate the difference: \frac{-3}{-3}

Divide: 1

Solution: 1

3-

Subtract the numbers: \frac{6}{-3}

Reduce the fraction : -2

Solution: -2

4 0
2 years ago
Read 2 more answers
How do u write 5.6 as a fraction in simplest form
krok68 [10]
The first answer to your question is 5 6/10 because you pronounce the decimal as six tenths. There is a simpler form of 5 6/10, it is 5 3/5. This is because you divide six by 2 and get 3 and divide 10 by two and get 5. 
5 0
3 years ago
Read 2 more answers
For a shape to be symmetrical do both sides have to be the same when divided?
rewona [7]
Yes in order for them to be symmetrical they both have to be Symmetrical or the same
6 0
2 years ago
Read 2 more answers
Help Pleaseeee. Find the hypotenuse.
ivann1987 [24]

I don't because I can't see

8 0
2 years ago
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