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jolli1 [7]
1 year ago
7

Mr. Velasquez built a playground. It has one section with a slide and another section with a swing set. A pathway connects the t

wo areas. The slide is 2 meters high. The ares and the pathway are covered in asphalt. Mr velasquez want to know how much of the playground is covered in asphalt
Mathematics
1 answer:
posledela1 year ago
4 0

Answer:

A_1 = 24m^2 -- Swing set

A_2 = 16m^2 -- Slide

A_3 = 5m^2 --- Pathway

Step-by-step explanation:

Missing part of the question:

Fill in the table above to show the area of each section (see attachment for table)

The area of each section is calculated as:

Area = Length * Width

For the Swing set

A_1 = 8m * 3m

A_1 = 24m^2

For the Slide

A_2 = 8m * 2m

A_2 = 16m^2

For the Pathway

A_3 = 5m * 1m

A_3 = 5m^2

The total area is:

Area=A_1 + A_2 + A_3

Area = 24m^2 + 16m^2 + 5m^2

Area = 45m^2

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Fofino [41]

Answer: 2x^7 -16a^6 +18a^5


Step-by-step explanation: Given expression (a^2)(2a^3)(a^2-8a + 9).

The first factor (a^2) has a degree of : 2 because power of a is 2.

The second factor (2a^3) has a degree of : 3 because power of a is 3.

The third factor (a^2-8a + 9) has a degree of : 2 because highest power of a is 2.

Let us multiply them now:

(a^2)(2a^3)(a^2-8a + 9).

First we would multiply (a^2)(2a^3).

According to product rule of exponents, we would add the powers of a.

Therefore,

(a^2)(2a^3) = 2a^{2+3}= 2a^5

Now, we need to distribute 2a^5 over (a^2-8a + 9)

Therefore,

(2a^5)(a^2-8a + 9)= 2a^{5+2} -16a^{5+1}+18a^5

=2x^7 -16a^6 +18a^5

Highest power of resulting polynomial 2x^7 -16a^6 +18a^5 is 7.

Therefore, The product has a degree of 7.

5 0
1 year ago
Read 2 more answers
Benito wrote the equations shown about the figure. Explain Benito’s errors.
Minchanka [31]

Answer:

  • Benito's error was using the equal sign (=) instead of the congruency symbol (≅).

Explanation:

Benito's error was using the equal sign (=) instead of the congruency symbol (≅).

The congruency symbol (≅) means that the elements (segments, angles or figures in general) have the same measure, i.e. they have equal lengths for the segments or equal measure for the angles.

For instance, it is an error saying that the segment AB is equal to the segment BC because, as you clearly see in the picture, they are not same; they have the same length but they are joining different points, that makes them different in essence, although they have the same length. They would be equal only if they are the same figure.

In mathematics, you must not say that two different segments or two different angles are equal but they are congruent, which means that their lengths are equal. The use of equal is reserved for numbers and variables, not for figures like segment, points, angles, polygons.

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2 years ago
Estimate how many 12 inch rulers will be about the same length as a bike
navik [9.2K]

Answer:

So that means length of the bike is approx 5.7 rulers.

Step-by-step explanation:

the question says to estimate how many 12-inch rulers will be about the same length as a bike. In other words we have to measure the length of bike by in terms of ruler like 3 ruler length or 5 rular length etc.

Type of bike is not mentioned so i'm going to use bicyle.

From internet I found that approx lenght of a bike ( bicycle) is = 68 inches.

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HAVING BAD DAY HELP
ElenaW [278]
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Hope this helps
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The tread life of tires mounted on light-duty trucks follows the normal probability distribution with a population mean of 60,00
valentinak56 [21]

Answer:

0.0013

Step-by-step explanation:

To do this, we need to use a normal distribution table with Z score values, like the one I'm attaching here.

Now, the expression to calculate the Z value is the following:

Z = x - μ / (σ/√n)

Where:

μ: mean

σ: standard deviation

x: value required

n: sample population

Now that we have the data, let's calculate the Z value:

Z = 66,000 - 60,000 / (4000/√4)

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Now, let's look at the table to get the value that belongs to this Z score. According to the table, it's 0.0013

Therefore, the likelihood would be 0.0013

3 0
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