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3 years ago

How are proptions and percents the same

Mathematics

1 answer:

Lelechka [254]3 years ago

4 0

Answer:

1 would be 10%, but a proportion is a ratio, as in this case 10/100 = 1/10= . 1, but 10% is not a ratio in of itself, but is a proportion of 100. % means OF one hundred. A proportion is a number TO another number.

Step-by-step explanation:

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The dimensions of a rectangle can be given by x+7 and x+2. If the area of the rectangle is 66 square inches, what are the dimens

Nadusha1986 [10]

to solve for the dimensions (x+7)(x+2)=66,

we can first use the foiling method to simplify the left side.

x^2 + 2x + 7x + 14 = 66

x^2 + 9x + 14 = 66

now, subtract 66 from both sides.

x^2 + 9x - 52 = 0

now, split this into two parentheses.

(x + 13)(x - 4)

since the root of -13 would give you negative values, x=4. This means that the dimensions of the rectangle are 11 and 6.

7 0

3 years ago

A full bag of dog food weighs 512 pounds.

Iteru [2.4K]

Answer:

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Step-by-step explanation:

3 0

3 years ago

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The base of a triangle is 3 cm and the height is 5 cm. What mathematical operation(s) described must be performed in order to fi

Firdavs [7]

Answer:

Step-by-step explanation:

To find the area of a triangle, one must multiply the base by the height then divide by 2.

So, the area of this triangle would be 7.5

6 0

3 years ago

Read 2 more answers

What is x divided by 8 greater than equal to 9

Stolb23 [73]

Answer:

x≥72

Step-by-step explanation:

Put into an equation then solve.

x/8≥9

x8 x8

x≥72

Hope that helped!

4 0

3 years ago

Brendan earns 25% more than his regular hourly rate d when he works on holidays. Write an expression to represent the hourly rat

Tanya [424]

Answer:

The expression that represents hourly rate Brendan earns working on a holiday is $1.25d$ .

Step-by-step explanation:

Given:

Regular hourly rate = d

Percent extra Money earned on holidays = 25% more

We need to find expression represent the hourly rate Brendan earns working on a holiday.

Solution:

Extra money earned on holidays can be calculated by Percent extra Money earned on holidays multiplied by Regular hourly rate.

framing in equation form we get;

Extra money earned on holidays = $\frac{25}{100}d=0.25d$

Now we will find hourly rate Brendan earns working on a holiday.

hourly rate Brendan earns working on a holiday can be calculated by sum of Regular hourly rate plus Extra money earned on holidays.

framing in equation form we get;

hourly rate Brendan earns working on a holiday = $d+0.25d=d(1+0.25) =1.25d$

Hence The expression that represents hourly rate Brendan earns working on a holiday is $1.25d$ .

4 0

3 years ago