3 years ago

How many sixteenths are in 15/16 ?

Mathematics

1 answer:

slavikrds [6]3 years ago

4 0

15, because you can phrase it as "fifteen sixteenths"

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Which graphs are inverses of one another?

LuckyWell [14K]

Answer:

Step-by-step explanation:

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3 years ago

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Expand and simplify (2t-3)^2

Greeley [361]

(2t-3)²=4t²+9-(2t.(-3))=4t²+9-6t

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3 years ago

Bruce is solving a system of equations.

Valentin [98]

Answer:

Option 3,4,5 are correct.

Step-by-step explanation:

The system of equations are:

$3x+5y=9\,\,\,\,(1)\\x-y=-5\,\,\,\,(2)$

Multiply equation (2) with -3 and add with equation (1)

$3x+5y=9\\-3x+3y=15\\-------\\8y=24\\y= 24/8\\y=3$

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Putting value of y in eq(2)

$x-y=-5\\x-3=-5\\x=-5+3\\x=-2$

Value of x is -2

So, Option 3,4,5 are correct.

Keywords: System of Equations

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3 years ago

A force of 18 lb is required to hold a spring stretched 8 in. beyond its natural length. How much work W is done in stretching i

Wittaler [7]

Answer: 18.75 lb.ft

Step-by-step explanation:

Given

Force required to stretch spring 8 in. is 18 lb

it can be written

$\Rightarrow F=kx\\\Rightarrow 18=k(8)\\\\\Rightarrow k=\dfrac{18}{8}=\dfrac{9}{2}\ lb/in.$

Work done in stretching from its natural length to 10 in.

$\Rightarrow W=\dfrac{1}{2}kx^2\\\\\Rightarrow W=0.5\times \dfrac{9}{2}\times (10)^2\\\\\Rightarrow W=225\ lb.in.\ or\\\Rightarrow W=18.75\ lb.ft$

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3 years ago

What is 4 devided by 3/4

kompoz [17]

Answer:

5 1/3

Step-by-step explanation:

We make

4/1 divided by 4/3 = 5 1/3

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3 years ago