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3 years ago

Hey does anyone know what 4/5 times 7/8 is ?- its for my math hw and its due in a hour thx!

Mathematics

1 answer:

LUCKY_DIMON [66]3 years ago

3 0

Answer:

0.7

Step-by-step explanation: (4/5)*7)/8

Hope this helps:)

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The eurasian plate travels the slowest, at about 0.7 cm/y. How long would it take the plate to travel 3 cm?

damaskus [11]

Simply divide 3 by 0.7,

$3 \div 0.7 = \frac{30}{7} = 4 \frac{2}{7}$

Or ≈ 4.28571 which is ≈ 4 years.

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3 years ago

Solving Rational Equations. LCD Method. Show work. <img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B5x%7D%20%2B%5Cfrac%

Svet_ta [14]

using the LCD method.... well, there are a couple of ways, but let's simply add them up.

well, the denominators are 5x and 2x... so the only LCD will just be 10x, since it's divisible by both, so let's use that one.

$\bf \cfrac{2}{5x}+\cfrac{7}{2x}=1\implies \stackrel{\textit{LCD of 10x}}{\cfrac{(2)2~~+~~(5)7}{10x}}=1\implies \cfrac{4+35}{10x}=1\implies \cfrac{39}{10x}=1 \\\\\\ 39=10x\implies \cfrac{39}{10}=x\implies 3\frac{9}{10}=x$

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3 years ago

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In this figure, A'B'C'D'is a transformation of ABCD.

siniylev [52]

Answer:

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6 0

3 years ago

Enter the enter the first four terms of the sequence defined by the given rule assume that the domain of each function is the se

Gelneren [198K]

Answer:

{1, -9, 56, -269}

Step-by-step explanation:

Evaluate the rule for n=2, 3, and 4 in sequence.

For n=2

f(2) = (-5)f(1) +11 = (-5)(4) +11 = -9

f(3) = (-5)f(2) +11 = (-5)(-9) +11 = 56

f(4) = (-5)f(3) +11 = (-5)(56) +11 = -269

The first four terms of the sequence are {1, -9, 56, -269}.

3 0

3 years ago

Please help me idk this

vichka [17]

Answer:

$\large\boxed{Surface\ Area=63\ cm^2}$

Step-by-step explanation:

We have

square with sides s = 3cm

four triangles with base b = 3cm and height h = 9cm.

The formula of an area of a square:

$A_\square=s^2$

The formula of an area of a triangle:

$A_\triangle=\dfrac{bh}{2}$

Substitute:

$A_\square=3^2=9\ cm^2\\\\A_\triangle=\dfrac{(3)(9)}{2}=\dfrac{27}{2}=13.5\ cm^2$

The Surface Area:

$S.A.=A_\square+4A_\triangle\\\\S.A.=9+4(13.5)=9+54=63\ cm^2$

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3 years ago