3 years ago

Can someone help me with these questions?

Mathematics

1 answer:

vfiekz [6]3 years ago

4 0

Y/x = 9/12 = 3/4
so
y = (3/4)x . . . . . . both x and y in dollars.

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krek1111 [17]

Answer:

I am not so sure but I think it is x>3

Step-by-step explanation:

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2 years ago

What is the base area of Box 3?

s2008m [1.1K]

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2 years ago

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Beatrice built about 1/3 of a sandcastle. Linda built 4/7 of the same castle. What fraction of the sandcastle did they build tog

wlad13 [49]

Answer

Find out the what fraction of the sandcastle did they build together .

To prove

Let us assume that the fraction of the sandcastle they build together be x .

As given

$Beatrice\ built\ about\ \frac{1}{3}\ of\ a\ sandcastle.$

$Linda\ built\ \frac{4}{7}\ of\ the\ same\ castle.$

Than the equation becomes

$x = \frac{1}{3} +\frac{4}{7}$

L.C .M of (3,7) = 21

solving

$x = \frac{7 + 3\times4}{21}$

$x = \frac{19}{21}$

Therefore the fraction of the sandcastle did they build together be

$x = \frac{19}{21}$

Hence proved

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3 years ago

Find the length of side x in simplest radical form with rational denominator. the short leg is root 2 and the long leg is x we d

kirill115 [55]

Answer:

√2 + x

Step-by-step explanation:

To obtain the hypotenus, h:

Using Pythagoras rule :

h² = opposite² + Adjacent²

Opposite = √2

Adjacent= x

h² = (√2)² + x²

Take the square root of both sides

h = √2 + x

Hence, the hypotenus is √2 + x

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3 years ago

The attendance at a seminar in year 1 was 500. In year 2, the attendance changed by 100. What was the percent change in attendan

Citrus2011 [14]

Answer:

20%

Step-by-step explanation:

to figure this out yourself you could simply do 100/500 = 0.2 which translates to 20%

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2 years ago