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4 years ago

9

The price of a cup of coffee was $2.10 yesterday. Today, the price rose to $2.25. Find the percentage increase. Round your answe

r to the nearest tenth
of a percent.

1 answer:

Fittoniya [83]4 years ago

4 0

Answer:

Easy-peasy.

Step-by-step explanation:

2.45/2.10 = 1.167 (rounded to the nearest tenth of a cent).

That is, 2.45 is 116.7% of 2.10

Since $2.10 is 100% of 2.10,

2.45 is a 16.7 increase.

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The object on the right is made from a square-based pyramid joined to a cuboid.

spayn [35]

Answer:

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Step-by-step explanation:

The figure is made up of cuboid and square pyramid.

Height of cuboid, h = 9 cm

Length of cuboid, l = 6 cm

Width of cuboid, w = 6 cm

Volume of cuboid is given by the formula:

$V_{Cuboid} = l \times w \times h$

$V_{Cuboid} = 6 \times 6 \times 9\\\Rightarrow V_{Cuboid} = 324\ cm^3$

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We know that formula of Density is:

$Density = \dfrac{Weight}{Volume}$

$D_{Cuboid} = \dfrac{W_{Cuboid}}{V_{Cuboid}}\\\Rightarrow W_{Cuboid} = V_{Cuboid} \times D_{Cuboid}$

Putting the values:

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2 years ago

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zhannawk [14.2K]

Answer:

$x= -4$ and $y=6$

Step-by-step explanation:

$-6x-5y=-6$ -equation 1

$3x+6y=24$ -equation 2

Solving the equation 1 to get the value of

To solve such type of equations that have two unknown variables, find the value of one variable in terms of the other from any one of the equation and put the value in the second equation which will give the value of both the variables

Solving Equation 2 to find x

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Putting this value of x in the equation 1

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4 years ago

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vredina [299]

Answer:

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Step-by-step explanation:

We have given the expression:

6g-18h

There are two expression which are equivalent to 6g-18h

Write down the expression first:

6g-18h

Now take 3 as a common. Then we have:

3(2g-6h)

This expression is equivalent to 6g-18h

Then,

6g-18h

Take -2 as a common. Then we have:

-2(-3g+9h)

If you multiply the values inside the bracket by -2 you will get the same expression as 6g-18h....

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3 years ago