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dezoksy [38]
3 years ago
15

jenna has a piece of paper that is 84 square inches in area. it is 10 1/2 inches long. what is the length of the piece of paper

in square inches
Mathematics
1 answer:
skad [1K]3 years ago
4 0
Here is the solution based on the given problem above.
Given: Area of the piece of paper = 84 square inches
           Width = 10 1/2 or 10.5 inches long
           ? = length of the piece of paper
To find the area of an object, the formula would be A= L x W
Now, let's substitute the given values above
84in2 = L(10.5in)
Now, divide both sides with 10.5 and we get 8.
L = 8 inches.
Therefore, the length of the paper is 8 inches. 
Hope this solution helps. 
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Nina [5.8K]

Answer:

D. x^2 + 3x - 88

Step-by-step explanation:

Area of rectangle = length (l) * width (w)

Length of rectangle = (x - 8)

Width = (x + 11)

Area of rectangle = (x - 8)(x + 11)

Expand the expression

x(x + 11) -8(x + 11) (distributive property of multiplication)

x^2 + 11x - 8x - 88

Combine like terms

x^2 + 3x - 88

Expression for the area of the rectangle = x^2 + 3x - 88

7 0
3 years ago
You want to purchase a house in 5 years. You estimate its cost as $150,000 and you want to make a 20% down payment. How much do
HACTEHA [7]

Answer:

500.00

Step-by-step explanation:

6 0
2 years ago
ryan's restaurant charges $9.50 for a plain cheese pizza and $1.75 for each additional topping. If a cheese pizza with toppings
Olenka [21]

Answer:

3 toppings

Step-by-step explanation:

14.75(total)-9.50(pizza)

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3 toppings

6 0
3 years ago
1. Type an equation in the equation editor that uses 2 fractions with parentheses around one of them. Example: <img src="https:/
avanturin [10]

Answer:

i) \frac{3}{5} + (- \frac{1}{2}) = \frac{6}{10} - \frac{5}{10} = \frac{1}{10}    \Rightarrow \frac{3}{5} + (- \frac{1}{2}) = \frac{6}{10} - \frac{5}{10} = \frac{1}{10}

ii)4^{3} + 8^{2} + \sqrt{9}   \Rightarrow  4^{3} + 8^{2} + \sqrt{9}

iii) (\frac{4}{5})^{2}. \sqrt[3]{8} \leqx^{3} - 3x + 6 \leq \sqrt{\frac{1}{3}} \Rightarrow \hspace{0.2cm}    (\frac{4}{5})^{2}. \sqrt[3]{8} \leqx^{3} - 3x + 6 \leq \sqrt{\frac{1}{3}}

Step-by-step explanation:

i) \frac{3}{5} + (- \frac{1}{2}) = \frac{6}{10} - \frac{5}{10} = \frac{1}{10}    \Rightarrow \frac{3}{5} + (- \frac{1}{2}) = \frac{6}{10} - \frac{5}{10} = \frac{1}{10}

ii)4^{3} + 8^{2} + \sqrt{9}   \Rightarrow  4^{3} + 8^{2} + \sqrt{9}

iii) (\frac{4}{5})^{2}. \sqrt[3]{8} \leqx^{3} - 3x + 6 \leq \sqrt{\frac{1}{3}} \Rightarrow \hspace{0.2cm}    (\frac{4}{5})^{2}. \sqrt[3]{8} \leqx^{3} - 3x + 6 \leq \sqrt{\frac{1}{3}}

7 0
3 years ago
Which function has a domain of {x | x &gt; 8}?
Harlamova29_29 [7]

Answer:

\sqrt{x-8}

Step-by-step explanation:

The domain is given in the set-builder form and it is the set of all real numbers greater than 8.

i.e., the domain is (8, ∞).

Now, consider the function f(x) = \sqrt{x-8}. This function accepts all real numbers greater than 8 as input.

But, for values less than 8, the output is not real.

Hence, \sqrt{x-8} is the required function.

3 0
3 years ago
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