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MakcuM [25]
3 years ago
13

Thuy drives 270 miles in 6hours how many does thuy drive in 13hours

Mathematics
1 answer:
marin [14]3 years ago
7 0
He would drive 585 miles in 13 hours
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What is decimal for 2 7/10
Hitman42 [59]
The decimal for that is 2.7
4 0
3 years ago
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For the equation -4y = 8x whay is the constant of variation
Ierofanga [76]

If you divide both sides by -4 you get

y=-2x

So, you wrote the equation in the form y=kx, and in this form k is the constant of variation. So, the constant is -2.

6 0
3 years ago
Prime number between 60 and 80 with the 10’s digit being one less than the 1st digit
erastova [34]

It would be 89.

You can also just look up a list of prime numbers online.

8 0
3 years ago
The equation of a circle C, with centre O, is:
Nataliya [291]

Answer:

a) The center coordinates O is  (0,0)

b) The radius C = 15

Step-by-step explanation:

The given equation of the circle is : x^{2}  +  y^{2}  = 225

Now, general form of the equation of the circle is:

(x-h)^{2}  + (y - k)^{2}   = r^{2}

where (h,k) are the center co -ordinates and r is the radius of the circle.

Comparing the general equation with the given equation, we get

(x-0)^{2}  + (y - 0)^{2}   = (15)^{2}

So, here the center coordinates (h,k) = (0,0)

And the radius of the given circle is r = 15

8 0
3 years ago
The 21st, 37th and 56th term of an A.P. are consecutive terms of a G.P. Find the common ratio of the G.P.​
mash [69]

just use what you know about this stuff

(a+36d)/(a+20d) = (a+55d)/(a+36d)

(a+36d)^2 = (a+55d)(a+20d)

a^2+72ad+1296d^2 = a^2+75ad+1100d^2

3ad = 196d^2

3a = 196d

That is, for any value of n,

a=196n

d=3n

So, there is no unique solution.

If n=1, then a=196 and d=3. The terms are

196+20*3 = 256

196+36*3 = 304

196+55*3 = 361

304/256 = 361/304

You can easily verify that it works for any value of n.

6 0
3 years ago
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