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Lina20 [59]
3 years ago
11

Which relationships have the same constant of proportionality between yyy and xxx as the equation 3y=27x3y=27x3, y, equals, 27,

x?
GIVE ME 3 answers PLS AND SUB TO ItzMeVik on yotube!!

100 points btw
Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
8 0

Answer:

y=9x

y=\frac{18x}{2}

y=\frac{81x}{9}

Step-by-step explanation:

The given equation is

3y=27x

If we isolate y, we can find the constant

y=\frac{27x}{3}\\ y=9x

So, the constant is k=9.

Another proportions that have the same constant as the given equation are

y=9x

y=\frac{18x}{2}

y=\frac{81x}{9}

Debora [2.8K]3 years ago
3 0

Answer:

a,b, and c

Step-by-step explanation: Got it from khan :)

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23 cm
Alenkasestr [34]

Answer:

445.2 square cm

Step-by-step explanation:

The surface area consists of  area of two bases and area of three leteral faces. Each lateral face is a rectangle with length of 23 cm and width of 6 cm.

The area of rectangle is

A_{rectangle}=\text{length}\times\text{width}

So,

A_{rectangle}=23\times 6=138\ cm^2

The area of base is given as 15.6\ cm^2

Thus, the surface area is

SA=2A_{base}+3A_{lateral\ face}\\ \\SA=2\cdot 15.6+3\cdot 138=445.2\ cm^2

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4 years ago
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ICE Princess25 [194]
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3 0
3 years ago
Correct expression for 10 decreased by 3x
anzhelika [568]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Able has a younger sister and an older brother.
Vilka [71]

Answer:

5 years

Step-by-step explanation:

1. if able's age is x, then his sister's is x-4, and his brother's is 2x

2. if these sum to 32, then we can formulate the equation x+(x-4)+2x=32

3. now solve for x, 4x-4=32, 4x=36, x=9

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Answer:

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Step-by-step explanation:

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