3 years ago

Draw a number line to show that 2/8 and 1/4 are equivalent fraction

Mathematics

1 answer:

solniwko [45]3 years ago

8 0

1/4 2/8 3/12 4/16 5/20 6/24

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Please help with 16 and 17 those are hard

notka56 [123]

The answer to number 17 is c

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4 years ago

Find the maximum rate of change of f(x,y,z=x y/z at the point (2, -3, 5 and the direction in which it occurs. maximum rate of ch

kherson [118]

$f(x,y,z)=x+\dfrac yz$
$\implies \nabla f(x,y,z)=\left(1,\dfrac1z,-\dfrac y{z^2}\right)$
$\implies \nabla f(2,-3,5)=\left(1,\dfrac15,\dfrac3{25}\right)$

The maximum rate of change is then

$\|\nabla f(2,-3,5)\|=\dfrac{\sqrt{659}}{25}$

which occurs in the direction of $\nabla f(2,-3,5)$ above.

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3 years ago

Y=2x+5 and y=3x+11 solve by substitution.

kondaur [170]

Answer:

Answer: x= -6 and y= -7

Step-by-step explanation:

Substitute 2x+5 for y in y=3x+11:

y=3x+11

2x+5=3x+11

2x+5+−3x=3x+11+−3x(Add -3x to both sides)

−x+5=11

−x+5+−5=11+−5(Add -5 to both sides)

−x=6

−x−1=6−1(Divide both sides by -1)

x=−6

Step: Substitute −6 for x in y=2x+5:

y=2x+5

y=(2)(−6)+5

y=−7(Simplify both sides of the equation)

-Source: MathPapa

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3 years ago

If Alex has 4 times as many dimes as nickels and they have a combined value of 270 cents, how many of

bija089 [108]

Answer:

Nickel has 54 cents and Alex has 216 cents.

Step-by-step explanation:

Hope it helps u :)

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3 years ago

The area of a circle is 36π square miles. What is the radius?

astra-53 [7]

Answer:

radius = 6miles

Step-by-step explanation:

πr² = area

π6²

π36

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3 years ago