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pickupchik [31]
3 years ago
11

The area of a rectangular fountain is x2 + 12x + 20 square feet. A 5-foot walkway is built around the

Mathematics
1 answer:
olga55 [171]3 years ago
3 0

Answer:

x + 7 ft and  x + 15 ft as the dimensions of the outside border of the walkway.

Step-by-step explanation:

x^{2} +12x + 20 = (x + 2)(x + 10)

The dimensions of the fountain is x + 2 and x + 10

Adding the 5-ft walkway, we get x + 7 ft and  x + 15 ft as the dimensions of the outside border of the walkway.

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Michael earns $8 an hour to baby sit the Jackson family. How many hours does he have to 1 point
notsponge [240]

Answer:

7 hours

Step-by-step explanation:

56/8=7

7 0
3 years ago
Question 8: A bicycle shop sold 8 tires for $298.75. What was the cost of 1 tire to the nearest hundredth?
kherson [118]

Answer:

Unitary cost= $37.34 = $37

Step-by-step explanation:

Giving the following information:

Number of tires= 8

Total cost= $298.75

<u>To calculate the unitary value of each tire, we need to use the following formula:</u>

Unitary cost= total cost / number of tires

Unitary cost= 298.75 / 8

Unitary cost= $37.34 = $37

6 0
2 years ago
Which of the binomials below is a factor of this trinomial?
mart [117]

Hi there! :)

Answer:

\huge\boxed{D,  x -4}

---- Starting with: ----

x² - 10x + 24

Since we have a leading coefficient of 1, simply find two numbers that sum up to -10 and multiply into 24.

By guessing and checking, we get the numbers -6 and -4. Put these into factors:

(x - 6)(x - 4)

Therefore, a binomial present in factored form is D. x - 4

8 0
3 years ago
Read 2 more answers
Yaneev thinks of a number y. He subtracts three from the number, then doubles it. Then he subtracts three again, and doubles the
Sergio039 [100]

Answer: y=6

Step-by-step explanation:

The given number is y.

According to the question,

Step 1 . subtracts three from the number (y-3), then doubles it

i.e. Final number = 2(y-3)

Step 2 .  subtracts three again i.e. (2(y-3)-3), and doubles the number again

i.e. Final result  = 2(2(y-3)-3)

If the result is his original number y, then

2(2(y-3)-3) =y

⇒ 2(2y-6-3)=y   [ using distributive property]

⇒ 2(2y-9)=y

⇒ 2(2y)-2(9)=y [ using distributive property]

⇒ 4y -18=y

⇒ 4y -y= 18 

⇒ 3y= 18

⇒ y= 6    [Divide both sides by 3]

Hence,  y=6

4 0
3 years ago
Express simplest form
Genrish500 [490]

p\%=\dfrac{p}{100}\\\\2\dfrac{1}{2}\%

<em>Convert the mixed number to the improper fraction.</em>

2\dfrac{1}{2}=\dfrac{2\cdot2+1}{2}=\dfrac{5}{2}


2\dfrac{1}{2}\%=\dfrac{5}{2}\%=\dfrac{\frac{5}{2}}{100}=\dfrac{5}{2}\cdot\dfrac{1}{100}=\dfrac{1}{2}\cdot\dfrac{1}{20}=\dfrac{1}{40}

7 0
3 years ago
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