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gregori [183]
3 years ago
7

What is the area of a section of pavement that is 10 ft wide and 70 yd​ long? Give your answer in square feet. I think I have th

e answer just making sure I am right!
Mathematics
1 answer:
Elenna [48]3 years ago
6 0

Answer:

  2100 ft²

Step-by-step explanation:

1 yard is 3 ft, so 70 yards is (70 yd)×(3 ft/yd) = 210 feet.

The area of the pavement is the product of its length and width:

  area = (210 ft)(10 ft) = 2100 ft²

_____

If you keep the units with the numbers as I have done here, you find that the product of (10 ft) and (70 yd) does not have the units of ft². Rather, the units are ft·yd, which is <em>not what the problem is asking for</em>.

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Evaluate the expression when x = 6<br> 3x - 1
kari74 [83]

Answer:

17

Step-by-step explanation:

3x - 1; x = 6

3x - 1

3(6) - 1

18 - 1 = 17

<u>-TheUnknown</u><u>S</u><u>cientist</u>

7 0
2 years ago
What is the square root of x?
sveticcg [70]
Cant answer this without giving an equation
7 0
3 years ago
A production process produces 2% defective parts. a sample of 5 parts from the production is selected. what is the probability t
Lana71 [14]

Answer:

Probability of a sample that contains exactly two defective parts is .0037 or .37%

Step-by-step explanation:

As we know if P is the probability of achieving k results in n trials then probability formula is P = \binom{n}{k}p^{K}q^{n-k}

In this formula n = number of trials

                        k = number of success

                        (n-k) = number of failures

                         p = probability of success in one trial

                         q = (1-p) = probability of failure in one trial

In this sum n = 5

                  k = 2

number failures (n-k) = (5-2) = 3

                            p = 2% which can be written as .02

                            q = 98% Which can be written as .98

Now putting these values in the formula

                        P = \binom{5}{2}(.02)^{2}(.98)^{5-2}

                        P = \binom{5}{2}(.02)^{2}(.98)^{3}

                   \binom{5}{2}= 5!/3!2!    

                                              = 5×4×3×2×1/3×2×1×2×1

                                              = 5×2 =10

                                       P = 10×(.02)²×(.98)³

                                          = .0037 or .37%

4 0
3 years ago
Read 2 more answers
The Dallas Cowboy ticket price for 1988 was $35 for the nosebleed ticket. If the price for the same seat in 1989 was $41.50, wha
cluponka [151]

Answer:

118.571428%

Step-by-step explanation:

its is 118.571428% so on repeating the digits to figure this out you just do

41.50*35 and you get 1.18571428 then you just move the decimal over 2 to the right.

7 0
3 years ago
rita reads 3 fiction books for every 2 non-fiction books.Which ratio represents the number of non-fiction books rita has read wh
Fudgin [204]

Answer:

6 nonfiction books

Step-by-step explanation:

if it's fiction to non 9:6

if it's non to fiction 6:9

(you may need to simplify)

5 0
3 years ago
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