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vivado [14]
2 years ago
13

Alice is building a​ fenced-in pen in her backyard for her ​dog, as shown. Write an expression that represents the total amount

of fencing she will​ need, in feet. If the longer dimension of the rectangle is 27 ​feet, how many feet of fencing does Alice ​need? x plus 13 x Write an expression that represents the total amount of​ fencing, in feet. Choose the correct answer below. A. 4xplus26 Your answer is correct.B. 4xplus52 C. 2xplus26 D. 2xplus13 Alice needs nothing feet of fencing. Enter your answer in the answer box and then click
Mathematics
1 answer:
soldi70 [24.7K]2 years ago
6 0

Answer: 4x + 52

Step-by-step explanation:

Dimension of pen:

The question seems incomplete or incoherent

However, to find the number of feet of fencing required, we calculate the perimeter of the rectangle, which is given by:

The perimeter of rectangle = [2 × ( length + width)]

If longer dimension = 26 feets and width = 2x

Perimeter = 2(2x + 26)

Perimeter = 4x + 52

Therefore, expression for fencing required = (4x + 52)

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Thepotemich [5.8K]

Answer:

y=2/7x-4

Step-by-step explanation:

Write in Slope intercept form

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m = slope

b = y intercept

x = x intercept

y = (0,-4)

So,

y = 2/7x+(-4)   substitute

y = 2/7x-4

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2 years ago
The art club spent $45 on supplies for Valentines to sell during lunches. they made 60 valentines. what's selling price for a va
lina2011 [118]
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3 years ago
Factorise 9w² - 100<br><br><br>​
ohaa [14]

Answer:

9\, w^{2} - 100 = (3\, w - 10) \, (3\, w + 10).

Step-by-step explanation:

Fact:

\begin{aligned} & (a - b)\, (a + b)\\ =\; & a^{2} + a\, b - a\, b - b^{2} \\ =\; & a^{2} - b^{2} \end{aligned}.

In other words, (a^{2} - b^{2}), the difference of two squares in the form a^{2} and b^{2}, could be factorized into (a - b)\, (a + b).

In this question, the expression (9\, w^{2} - 100) is the difference between two terms: 9\, w^{2} and 100.

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Hence:

9\, w^{2} - 100 = (3\, w)^{2} - (10)^{2}.

Apply the fact that a^{2} - b^{2} = (a - b) \, (a + b) to factorize this expression. (In this case, a = 3\, w whereas b = 10.)

\begin{aligned}& 9\, w^{2} - 100 \\ =\; & (3\, w)^{2} - (10)^{2} \\ = \; & (3\, w - 10)\, (3\, w + 10)\end{aligned}.

8 0
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just olya [345]

The sum is the result of adding two or more numbers.

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Answer: the algebraic expression for the word phrase the sum of 7w and 5 is 7w+5.

5 0
3 years ago
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Answer:

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Step-by-step explanation:

18x-11x-35=0

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x=5

8 0
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