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3 years ago

Rewrite 14/15 and 9/10

Mathematics

2 answers:

erik [133]3 years ago

6 0

I think I know what your asking so the answer would be 27/30 and 28/30

Leno4ka [110]3 years ago

6 0

14/15 and 9/10 to the same denominator would be...
28/30 and 27/30 respectively

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balandron [24]

Answer:

y=x-1

Step-by-step explanation:

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3 years ago

Which statement illustrates the Distributive Property of scalar multiplication? (Assume that A and B are matrices and c and d ar

olasank [31]

Answer:

C. $cA-cB=c(A-B)$

Step-by-step explanation:

Given that A and B are matrices and $c$ is a scalar, then the distributive property of scalar multiplication over addition is given by;

$c(A+B)=cA+cB$

The distributive property of scalar multiplication over subtraction is

$c(A-B)=cA-cB$

The correct answer is C.

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3 years ago

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What is the area of a triangle that has a height of 6 feet and a base length of 7 feet? (5 points)

Oksanka [162]

Formula= Base times height divided by 2

6 x 7= 42
42/ 2
answer= 21

3 0

3 years ago

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the volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of

FrozenT [24]

Answer:

The new volume is 8 times smaller than the original volume

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Let

z-----> the scale factor

x ----> the volume of the reduced sphere

y ----> the volume of the original sphere

$z^{3}=\frac{x}{y}$

we have

$z=1/2$ ----> scale factor

substitute

$(1/2)^{3}=\frac{x}{y}$

$(1/8)=\frac{x}{y}$

$x=\frac{y}{8}$

therefore

The new volume is 8 times smaller than the original volume

Verify

The volume of the original sphere is

$r=18/2=9\ cm$ ---> the radius is half the diameter

$V=\frac{4}{3}\pi (9)^{3}=972\pi \ cm^{3}$

the volume of the reduced sphere is

$r=9/2=4.5\ cm$ ---> the radius is half the diameter

$V=\frac{4}{3}\pi (4.5)^{3}=121.5\pi \ cm^{3}$

Divide the volumes

$972\pi \ cm^{3}/121.5\pi \ cm^{3}=8$

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3 years ago

If y = 4x -1, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?

Mila [183]

Step-by-step explanation:

umm the 2nd one?

Is this multiple choice?

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3 years ago

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