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3 years ago

Find an equation of the line containing the given pair of points (4,1) and (12,7)

Mathematics

1 answer:

Eva8 [605]3 years ago

4 0

Answer:

Y = 3/4 X -2

Step-by-step explanation:

Just apply the equation of a straight line (Y=mX+C), remembering that m represents the gradient of the line. This can be found by dividing the change in the y-axis by the change in the x-axis. Then substitute a set of coordinates with your obtained gradient into Y=mX+C to obtain C, i.e. the y-intercept.

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An elephant can run 1/4 of a mile in 36 seconds. At this rate, which expression can be used to determine how fast an elephant ru

nirvana33 [79]

Answer:

an elephant can run 25 miles per hour

Step-by-step explanation:

60 minutes x 60 seconds = 3,600 seconds in an hour

3600 / 36 = 100

100 x .25 = 25 miles an hour

7 0

3 years ago

My son and I are stuck on this one. Can anyone give some insight to this problem? Thank you.

omeli [17]

Answer:

I made is clear for you, now you may match each one

Step-by-step explanation:

f(1)= 11, f(n)= 3*f(n-1)

11*3= 33, 33*3= 99, 99*3= 297, ...

11, 33, 99, 297...

⊕ middle

f(1)= -18, f(n)= f(n-1)+21

-18+21= 3, 3+21= 24, 24+21= 45, ...

-18, 3, 24, 45, ...

f(1)= -18, f(n)= f(n-1) + 22

-18+22= 4, 4+22= 26, 26+22= 48, ...

-18, 4, 26, 48, ...

f(1)= -18, f(n)= 2*f(n-1)

-18*2= -36, -36*2= -72, -72*2= -144, ...

- 18, -36, -72, -144...

⊕ bottom

f(1)= -18, f(n)= 6*f(n-1)

-18*6= -108, -108*6= -648, -648*6= -3888, ...

- 18, - 108, - 648, -3888, ...

⊕ top

f(1)= 11, f(n)= f(n-1) + 22

11+22= 33, 33+22= 55, 55+22= 77, ...

11, 33, 55, 77, ...

3 0

3 years ago

What is the simplest radical form with a rational denominator of 4.898?

NNADVOKAT [17]

Answer:

Step-by-step explanation:

3 0

2 years ago

Zero divided by zero?

Kay [80]

Step-by-step explanation:

Any number divided by zero, its value can't be determined. Hence it is called as indeterminate form. So is with zero divided by zero.

$\frac{0}{0} = indeterminate \: form$

3 0

3 years ago

Read 2 more answers

The diagram shows the net of a square pyramid.

fenix001 [56]

Answer:

Given,

Base (b) = 16 cm

slant Height (h) = 15 cm

a= 8 cm {a is the half of base}

x = ?

Using Pythagoras Theorem

p^2 = h^2 - b^2

x^2= 15 - 8

x^2 = 7

x = 2.64 cm

4 0

3 years ago