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AleksandrR [38]
3 years ago
5

Use the distibutive property to simplify expression 27-9x+15y

Mathematics
1 answer:
IrinaVladis [17]3 years ago
6 0

Answer:

3(9-3x+5y)

Step-by-step explanation:

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QRST is a square. PQ = 2√ RU = 4<br> What is the length of SU? Round to the nearest tenth.
777dan777 [17]

Answer:

SU=3.5\ units

Step-by-step explanation:

step 1

In the isosceles right triangle PQT

PQ=PT ----> because is an isosceles triangle

Applying the Pythagoras Theorem

we have

PQ=PT =\sqrt{2}\ units

QT^{2}=PQ^{2} +PT^{2}

substitute the values

QT^{2}=\sqrt{2}^{2} +\sqrt{2}^{2}

QT^{2}=4

QT=2\ units

step 2

In the square QRST

RS=QT=2\ units

step 3

In the right triangle RSU

Applying the Pythagoras Theorem

RU^{2}=RS^{2} +SU^{2}

we have

RU=4\ units

RS=2\ units

substitute the values and solve for SU

4^{2}=2^{2} +SU^{2}

SU^{2}=4^{2}-2^{2}

SU^{2}=12

SU=2\sqrt{3}\ units

SU=3.5\ units

8 0
3 years ago
Someone pls help meee
mafiozo [28]
Its 6.8 for me so try that
6 0
3 years ago
Read 2 more answers
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Snezhnost [94]
The answer is rhombus
7 0
3 years ago
Read 2 more answers
Can u guys help me on number 4 and 5
Mekhanik [1.2K]

I hope this helps you! Feel free to ask ant questions

7 0
3 years ago
How do I complete this identity? sin(2θ) sin(4θ) cos(2θ) cos(4θ) = ?
egoroff_w [7]

Answer:

  • sin(20) sin(40) cos(40) cos(20)
  • [sin(20)*cos(20)]*[sin(40)*cos(40)]
  • [sin(2*20)/2]*[sin(2*40)/2]
  • [sin(40)*sin(80)]/2

8 0
4 years ago
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