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2 years ago

MATH PLEASE SOLVE 10=f/5 (the 5 goes under the f)

Mathematics

1 answer:

Alecsey [184]2 years ago

4 0

f = 50

Step-by-step explanation:

50 divided by ten is five and I'm smurt.

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X+4x+6x=? please explain in detail

Stolb23 [73]

X+4x+6x=

All of the variables are x so you don't have to do anything

6x+4x=10x

there is still one x left
x = 1

10x+x = 11x

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3 years ago

1174 divided by 45 long division

nekit [7.7K]

Answer:

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Step-by-step explanation:

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3 years ago

A road perpendicular to a highway leads to a farmhouse located d miles away. An automobile traveling on this highway passes thro

pshichka [43]

Answer:

$\frac{dh}{dt}=\frac{30r}{\sqrt{d^{2}+900}}$

Step-by-step explanation:

A road is perpendicular to a highway leading to a farmhouse d miles away.

An automobile passes through the point of intersection with a constant speed $\frac{dx}{dt}$ = r mph

Let x be the distance of automobile from the point of intersection and distance between the automobile and farmhouse is 'h' miles.

Then by Pythagoras theorem,

h² = d² + x²

By taking derivative on both the sides of the equation,

$(2h)\frac{dh}{dt}=(2x)\frac{dx}{dt}$

$(h)\frac{dh}{dt}=(x)\frac{dx}{dt}$

$(h)\frac{dh}{dt}=rx$

$\frac{dh}{dt}=\frac{rx}{h}$

When automobile is 30 miles past the intersection,

For x = 30

$\frac{dh}{dt}=\frac{30r}{h}$

Since $h=\sqrt{d^{2}+(30)^{2}}$

Therefore,

$\frac{dh}{dt}=\frac{30r}{\sqrt{d^{2}+(30)^{2}}}$

$\frac{dh}{dt}=\frac{30r}{\sqrt{d^{2}+900}}$

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3 years ago

If a polygon is a square, then it is also a rectangle. True or False

Art [367]

Answer:

true

Step-by-step explanation:

a square will always be a rectangle but a rectangle will not always be a square.

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3 years ago

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What are 2 fractions closer to 1 than to 0?

solniwko [45]

1 and 1/2, 1 and 1/3

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3 years ago

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