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Rudik [331]
3 years ago
14

Wes measures the floor area of rectangular living room to replace the carpet with tiles. The length of the room is 2.6 feet grea

ter then the width. The width of the room is 9.8 feet. How many square feet of tile will Wes need?
Mathematics
1 answer:
Oliga [24]3 years ago
3 0

Answer:

Wes need 121.52 square feet of tile.

Step-by-step explanation:

Given:

Wes measures the floor area of rectangular living room to replace the carpet with tiles

The length of the room is 2.6 feet greater than the width.

The width of the room is 9.8 feet.

Now, to find the square feet of tiles Will Wes need.

Width = 9.8 feet.

Length = 2.6 feet + 9.8 feet = 12.4 feet.

So, to get the square feet of tile we get the area of the room:

Area = length\times width

Area=12.4\times 9.8

Area=121.52\ square\ feet.

Therefore, Wes need 121.52 square feet of tile.

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A pharmaceutical company receives large shipments of aspirin tablets. The acceptance sampling plan is to randomly select and tes
mart [117]

Answer:

44% is the probability

Step-by-step explanation:

8 0
3 years ago
A zip line is setup 150ft in the air, where a person can expect to zip line at a safe declining speed to the ground as they pass
hichkok12 [17]

Answer:

139 ft

Step-by-step explanation:

So the zip line forms a right triangle.  The height of the triangle is 150 ft, and the opposite angle is 40°.  The horizontal distance covered by the zip liner can be found with trigonometry, specifically with tangent.

tan 40° = 150 / x

x = 150 / tan 40°

x ≈ 179 feet

But this includes the 40 ft long body of water, so the amount of ground covered is:

179 ft - 40 ft = 139 ft

4 0
3 years ago
At a large company banquet for several thousand employees and their families, many of the attendees became ill the next day. The
yan [13]

Answer:

a. Yes.  This provides convincing evidence that the true proportion of all attendees who ate the fish that got sick (80%) is more than the true proportion of all attendees who did not eat the fish that got sick.

b. The mistake here would have been the rejection of the Doctor's theory or hypothesis to the effect that more attendees who ate the fish got sick than those who did not eat the fish. This is a Type 1 error.   A Type 1 error occurs when a null hypothesis is rejected when it is true. On the other hand, a Type II error occurs when the null hypothesis is accepted when it should be rejected.  While a Type I error is equivalent to a false positive, a Type II error is equivalent to a false negative.

Step-by-step explanation:

Total number of attendees who ordered fish = 1,000

Sample size of the attendees who ate fish = 80

Number of attendees who ate the fish and got sick = 64 (80% or 64/80)

Sample size of attendees who did not eat fish = 60

Number of attendees who did not eat fish and got sick = 39 (65% or 39/60)

4 0
3 years ago
For a large data set of a average student grades, the third quartile Q3 is found 78.5 . What does the mean when we say that 78.5
xz_007 [3.2K]

Step-by-step explanation:              

We are told that for a large data set of a average student grades, the third quartile Q3 is found 78.5.

Since we know that third quartile represents the number such that 75% of the data is less than this number. Third quartile is the middle value between median and the highest value of a data set. Third quartile is also known as upper quartile. Third quartile splits lower 75% data from highest 25% of data.

Therefore, third quartile represents that 75% of student grades are less than 78.5 and 25% of students grades are greater than 78.5.


3 0
3 years ago
two angles are conplementary angles. One angle measures 59 the other measures (4n-1) what is the value of n​
natulia [17]

Answer:

n = 8

Step-by-step explanation:

Complementary angles add up to 90°

So,

59° + (4n - 1) = 90°

4n - 1 = 90° - 59° = 31°

4n = 31° + 1° = 32°

4n° = 32°

n = 32 ÷ 4 = 8

8 0
3 years ago
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