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3 years ago

Does anyone know how to do this who can pls explain it to me?

Mathematics

1 answer:

Elza [17]3 years ago

7 0

Answer:

The unit rate is $8.89 /ft².

Step-by-step explanation:

Given:

$160 for 18ft².

So, by dividing with 18

$\frac{160}{18}$ we get $8.888$ .

Now, round to nearest hundredth for $8.888 is $8.89.

Therefore, the unit rate is $8.89 /ft².

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Find y. Round to the nearest tenth: 290 500 ft y X y = [ ? ]ft

hjlf

Answer:

y = 242.4

x = 437.3

First find the inner angle:

90° - 29°

61°

[ given hypotenuse = 500 ft ]

using sine rule:

$\sf sin(x)= \dfrac{opposite}{hypotensue}$

$\hookrightarrow \sf sin(61)= \dfrac{x}{500}$

$\hookrightarrow \sf x=sin(61)*500$

$\hookrightarrow \sf x=437.3$

using pythagoras theorem:

a² + b² = c²

y² + (437.3)² = 500²

y = √58760.1

y = 242.4

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scZoUnD [109]

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Step-by-step explanation:

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3 years ago

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The domain of the following relation: R: {(−3, 4), (5, 0), (1, 5), (2, 8), (5, 10)} is:

Shalnov [3]

Answer:

For an ordered pair (x,y) that a set contain :

x = Domain of the relation

y = Range of the relation

In a relation x can have two or more than two ranges i.e a x can have more or more than two images.

So, Domain = First element of ordered pair that the following relation R contains ={(−3, 4), (5, 0), (1, 5), (2, 8), (5, 10)}= -3, 5, 1,2,5

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Which of the following expressions are equivalent to -8-(-1)-5

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3 years ago

Lily ran 1,000 meters in 12 minutes. How many meters/minute did she run?

vladimir2022 [97]

Answer:

1,000 divided by 12=

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