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Fudgin [204]
3 years ago
7

Running track a kilometre what is four times 1/3

Mathematics
2 answers:
sukhopar [10]3 years ago
6 0
Its 1 1/3 simplified but if you don't simplify this is what it looks like 4/3
antiseptic1488 [7]3 years ago
3 0
4* \frac{1}{3} =  \frac{4}{3}
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Please help. Question listed below
solmaris [256]

Answer:

f^{-1}(x) = ( \frac{9x-1}{8} )²

Step-by-step explanation:

f(x) = \frac{8\sqrt{x} +1}{9}

y = \frac{8\sqrt{x} +1}{9}

Solve equation for x

8√x + 1 = 9y

8√x = 9y - 1

√x = \frac{9y-1}{8}

(√x)² = ( \frac{9y-1}{8} )²

x =  ( \frac{9y-1}{8} )²

Switch "x" and "y"

y = ( \frac{9x-1}{8} )²

f^{-1}(x) = ( \frac{9x-1}{8} )²

5 0
3 years ago
John and Alan have a collection of x baseball cards. John has x4 cards. What fraction of the cards does Alan have?
melomori [17]
Number of cards of John: J
Number of cards of Alan: A

<span>John and Alan have a collection of x baseball cards:
J+A=x    (1)

</span>John has x/4 cards:
J=x/4

<span>What fraction of the cards does Alan have?
</span>
Replacing J by x/4 in the equation (1)
(1) J+A=x
x/4+A=x

Solving for A:
x/4+A-x/4=x-x/4
A=4x/4-x/4
A=(4x-x)/4
A=3x/4

Answer: Alan has 3/4 of the cards 

8 0
3 years ago
A 26 ft long ramp is used to reach 10 ft up a wall. The ramp covers a horizontal distance of 24 ft. To make the ramp less steep,
Anika [276]

Answer:

The length of new ramp is 49.03 ft.

Step-by-step explanation:

It is given that 26 ft long ramp is used to reach 10 ft up a wall. The ramp covers a horizontal distance of 24 ft.

If the horizontal distance is doubled, then the horizontal distance is 48 ft. The height remains same. Therefore the height of ram is 10 ft.

Use pythagoras in new right angle triangle.

hypotenuse^2=base^2+perpendicular^2

(AE)^2=(AD)^2+(ED)^2

(AE)^2=(48)^2+(10)^2

(AE)^2=2304+100

AE=\sqrt{2404}

AE=49.0306027\approx 49.03

Therefore the length of new ramp is 49.03 ft.

7 0
3 years ago
A Quadratic Equation factors to (x-4)(x+6) the solutions to this are
Karo-lina-s [1.5K]
I hope this helps you



x.x+x.6-4.x-4.6



x^2+6x-4x-24


x^2+2x-24
3 0
3 years ago
Is it possible to collect like terms and end up with zero? Please
-Dominant- [34]

Answer:

it is NOT possible to collect like tems and end up with zero

Step-by-step explanation:

When combining like terms, such as 2x and 3x, we add their coefficients.

For example, 2x + 3x = (2+3)x = 5x.

3 0
3 years ago
Read 2 more answers
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