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love history [14]
3 years ago
12

Please help!! I need help.

Mathematics
2 answers:
Arada [10]3 years ago
7 0

Answer:

couch)14

chair)3

lamp)5

bed)6.25

table)10

Step-by-step explanation:

so, the whole question basically asks you to convert the units back and forth, (its very similar to the conversion of currency) & There are many ways to do this, ill show one of the methods, if u don't understand then i can show u another way....

ill do the first two-

COUCH-

1 inch: 0.5 ft

x inch:7ft  { x is the missing value ((model length of couch)) }

Now cross multiply

0.5x=7*1

x=7/0.5

x=14 inches

CHAIR-

1 inch: 0.5 ft

6 inch: x

Do the same step -Cross multiply

1x=0.5*6

x=3/1

x=3

FrozenT [24]3 years ago
4 0

Answer:

14, 3, 5, 6.25, 10

Step-by-step explanation:

The scale is 1 inch = 0.5 ft.

Either divide the inches by 2 or multiply the feet by 2

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Solve x2+6x=7 by completing the square.Which is the solution set of the equation?
NARA [144]

Answer:

x = - 7, x = 1

Step-by-step explanation:

Given

x² + 6x = 7

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(3)x + 9 = 7 + 9

(x + 3)² = 16 ( take the square root of both sides )

x + 3 = ± \sqrt{16} = ± 4 ( subtract 3 from both sides )

x = - 3 ± 4

x = - 3 - 4 = - 7

x = - 3 + 4 = 1

Solution set = { - 7, 1 }

4 0
3 years ago
Can't seem to get this one, help? (20pt)
egoroff_w [7]

Answer:

The answer to your question is:     (∞ , 3]

Step-by-step explanation:

Remember that to express an inequality, are used ( ) and [ ].

(  ) are used when the point is not consider in the interval.

[  ]  are used when the point is consider or is part of the interval.

Also, an empty point indicates that the number is not consider in the interval.

and, a filled point indicates that the number is consider in the interval.

For your question, the interval will be:

                               (∞ , 3]

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3 years ago
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Step-by-step explanation:

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Question asked how many pound is in one bag of dog food:

We know that 16 oz = 1 pound

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To find x pound we divide 240 oz by 16 oz-->

240 oz/ 16 oz = 15 pound

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