3 years ago

I need a bit of help on this

Mathematics

2 answers:

kvasek [131]3 years ago

6 0

Answer:

the answer is of no.4 root 421

zzz [600]3 years ago

4 0

2,0221 hope thats help mf

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I need help getting the answer to this -71+blank=21

vagabundo [1.1K]

Answer:

It is Positive 92

Step-by-step explanation:

-71 + 92 = 21

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3 years ago

What is answer for 7/53?

Ber [7]

Answer: 7.57142857143

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3 years ago

the time it takes to fly from los angeles to new york varies inversely as the speed of the plane. if the trip takes 6 hours at 9

natima [27]

Inverse variation means y=k/x (direct variation is y=kx) so we can use the info given to find the constant k

y=k/x

6=k/900

k=6(900)

k=5400 so the equation is:

y=5400/x or more accurately for this problem

t(v)=5400/v then:

t(800)=5400/800

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3 years ago

What is the perimeter of a rectangle with sides 2/3x+10 and 1/3x+5

gogolik [260]

Answer:

The perimeter of the rectangle is 2x+ 30

Step-by-step explanation:

Sides of the rectangle are 2/3x+10 and 1/3x+5

Now, Perimeter of the Rectangle = 2(Length + Breadth)

Here, sum of the sides = $(\frac{2}{3}x + 10 ) + (\frac{1}{3}x + 5 ) = (\frac{2}{3}x +\frac{1}{3}x ) + ( 10+ 5 )$

adding like terms with like terms, we get

( $\frac{2x + x}{3}) + 15 = \frac{3x}{3} + 15$

Hence, Sum = (x + 15)

Now, 2(Length + Breadth) = 2(x+15) = 2x + 30

hence, the perimeter of the rectangle = 2x+ 30

8 0

3 years ago

MrRissso [65]

Answer:

Step-by-step explanation:

4 0

3 years ago

I need a bit of help on this ​

I need a bit of help on this