3 years ago

Whats the expression

Mathematics

1 answer:

Over [174]3 years ago

5 0

The expression is: 5x + 6y - 3

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The sears tower in Chicago is 1,450 feet tall. A model of the tower is 24 inches tall. What is the ratio of the height of the mo

leonid [27]

Answer:

1450:24

reduced: 725:12

Step-by-step explanation:

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4 years ago

Several different cheeses are for sale. The cheese comes in wedges

Tpy6a [65]

Answer:

39.30 $cm^{2}$

Step-by-step explanation:

The area of the top surface of the wedge is the same as the area of a sector.

Area of a sector = (θ/ $360^{o}$ ) $\pi$ $r^{2}$

where: θ is the central angle, and r is the radius.

Given that: central angle = $45^{o}$ , radius = 10 centimetre.

Area of the top surface = Area of a sector = (θ/ $360^{o}$ ) $\pi$ $r^{2}$

= $\frac{45^{o} }{360^{o} }$ x $\frac{22}{7}$ x $(10)^{2}$

= $\frac{1}{8}$ x $\frac{22}{7}$ x 100

= 39.2857

= 39.30 $cm^{2}$

The area of the top surface of the wedge is 39.30 $cm^{2}$ .

3 0

3 years ago

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Sony brother is 8 year older than four fifth her age. if her brothers age is 32 years what is sony

madam [21]

Answer:

I would say Sony's age is 33 because 4/5 of 32 is about 25 then 25+8=33

Hope I helped :)

3 0

3 years ago

A tree 7 ft tall grows an average of 6 in. each year. Which equation models the tree’s height h after x years?

Vesna [10]

The initial height of the tree = 7 ft

Each year the tree grows 6 in. 6 in = 6 / 12 = 0.5 ft

So the tree grows 0.5 ft every year.

After x years, the tree would have grown extra = 0.5*x =0.5x

So the height of the tree would be = Initial height + extra height grown

= 7 + 0.5x

h = 7 + 0.5x

Model is h = 7 + 0.5x,

where h = height of the tree in feet after x years.

Hope this explains it.

6 0

3 years ago

At a restaurant your family spends $45.00 on lunch. If they want to leave a 15%

Valentin [98]

Answer:

6.75

Step-by-step explanation:

hope it helps mark as brainliest

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3 years ago

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