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elena55 [62]
2 years ago
9

Prove that PQ + QR + RS + SP = 0 in the given quadrilateralPQRS.​

Mathematics
2 answers:
AVprozaik [17]2 years ago
5 0

Answer:

Step-by-step explanation:

Answer:

PDRS

Step-by-step explanation:

PQ IS EQUAL TO QR AND QR IS ALSO EQUAL TO RS AND RS IS ALSO EQUAL TO SP

earnstyle [38]2 years ago
4 0

Answer:

PDRS

Step-by-step explanation:

PQ IS EQUAL TO QR AND QR IS ALSO EQUAL TO RS AND RS IS ALSO EQUAL TO SP

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50 points!
madam [21]

Answer:

either 34 or 214

Step-by-step explanation:

8 0
2 years ago
1.. A train travels at a speed of 58 km/hr. If it goes from one station to the next in 1.6 hours, how far has it traveled?
wel

Answer:

92.8 km

Step-by-step explanation:

s=d/t

58=d/1.6

58*1.6=d

92.8=d

7 0
3 years ago
3/4 is 60% of what number
Mariana [72]
First change the fraction to percent. 
3/4 = 60%

Then change the percent to the decimal. 
60% = 0.75

Now multiply it.
<span>0.75 x 60% = 45
</span>
45 is the answer. 
3 0
3 years ago
A particle moves in the xy plane starting from time = 0 second and position (1m, 2m) with a velocity of v&gt;=2i-4tj^
guapka [62]

Given :

A particle moves in the xy plane starting from time = 0 second and position (1m, 2m) with a velocity of v=2i-4tj  .

To Find :

A. The vector position of the particle at any time t .

B. The acceleration of the particle at any time t .

Solution :

A )

Position of vector v is given by :

d=\int\limits {v} \, dt\\\\d=\int\limits {(2i-4tj)} \, dt \\\\d=(2t)i+\dfrac{4t^2}{2}j\\\\d=(2t)i+(2t^2)j

B )

Acceleration a is given by :

a=\dfrac{dv}{dt}\\\\a=\dfrac{2i-4tj}{dt}\\\\a=\dfrac{2i}{dt}-\dfrac{4tj}{dt}\\\\a=0-4j\\\\a=-4j

Hence , this is the required solution .

5 0
3 years ago
Expand and simplify (x+5)(x+2)
Savatey [412]
Answer= x²+7x+10

When we want to expand expressions such as this, the FOIL method helps us remember what exactly to do. FOIL stands for

F:First
O:Outer
I:Inner
L:Last

So, given the expression (x+5)(x+2), lets multiply the first two terms.

x*x=x²

now the outer two terms

x*2=2x

now the inner terms

5*x=5x

and the last terms...

5*2=10

When we combine these expressions we get:

x²+7x+10

I think this is what you meant to be answered in your question, if I have been mistaken, just comment and I'll edit my answer....

5 0
3 years ago
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