3 years ago

Write the scale as a ratio. a 2-foot-long model of an 12-foot-long room

Mathematics

2 answers:

Eva8 [605]3 years ago

7 0

1:6
You reduce the scale like a fraction

shtirl [24]3 years ago

5 0

For every 2 feet long, the room must be 12 feet wide

so the ratio is 2:12 = 1:6

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3 consecutive odd integers such that the sum of twice the first and three times the second is 55 more than twice the third

den301095 [7]

Answer:

Consecutive odd integers are 19 , 21 & 23

Step-by-step explanation:

Let the first 3 consecutive odd intergers be x , (x + 2) and (x + 4).

According to the question,

$2x + 3(x + 2) = 2(x + 4) + 55$

$= > 2x + 3x + 6 = 2x + 8 + 55$

Eliminating 2x from both the sides,

$= > 3x + 6 = 63$

$= > 3x = 63 - 6 = 57$

$= > x = \frac{57}{3} = 19$

So, the consecutive odd integers are = 19 , 21 & 23.

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2 years ago

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shepuryov [24]

Answer:

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Step-by-step explanation:

We need to find the largest number ins scientific notation.

The number which has highest degree would be the largest.

In the given options, Diameter of Sun has highest power i.e 10⁹

All other options have lower degrees.

So, largest number ins scientific notation: 1.4 x 10⁹ (Diameter of sun)

4 0

3 years ago

Evaluate the expression when x= -7. x²+4x-3

I am Lyosha [343]

The answer is 18
-7^2+4(-7)-3
49+(-28)-3
21-3
18

3 0

3 years ago

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Solve the inequality. <br><br> |7x-5| < -3

Stella [2.4K]

Answer:

no solution

Step-by-step explanation:

3<7x−5<−3

8 0

3 years ago

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In parallelogram ABCD below, AC is a diagonal, the

Vinil7 [7]

Step-by-step explanation:

ABCD parallellogram
m< B = m< D = 40
in triangle ACD :

m < CAD = 180 - ( 40 + 57 ) = 83

7 0

3 years ago