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olga_2 [115]
3 years ago
7

CAN YOU PLEASE HELP ME!! PLEASE AWNSER REALLY QUICKLY AND I WILL GIVE BRAINLIEST

Mathematics
1 answer:
jenyasd209 [6]3 years ago
8 0

Answer:

See below.

Step-by-step explanation:

The image will be congruent to the original triangle.  Sides and angles will all be congruent. The triangle will move to the first quadrant.. The only difference will be the orientation of the triangle relative to the axes.

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1) Complete the statement.
gtnhenbr [62]
From the top ehfifhfibbf
7 0
3 years ago
Three friends each have some ribbon. Carol has 54 inches of ribbon, Tino has 7.5 feet of ribbon, and Baxter has 3.5 yards of rib
Nastasia [14]
1 ft = 12 inches......1 yd = 36 inches

carol has 54 inches
Tino has 7.5 ft......7.5 * 12 = 90 inches
baxter has 3.5 yds......3.5 * 36 = 126 inches
for a total of : (54 + 90 + 126) = 270 inches total <===

1 ft = 12 inches....so 270 inches = 270/12 = 22.5 ft <==
1 yd = 36 inches..so 270 inches = 270/36 = 7.5 yds <==
5 0
3 years ago
Ella is collecting data about the numbers of hours teenagers spend on computers each day. Which values represent the best scale
Dominik [7]

Step-by-step explanation:

i fnu havw 3 its 7 but 7m gos into m so m divides into 1 x 6 x 4 x 9 l qx

8 0
3 years ago
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.
zhannawk [14.2K]

Answer:

a) 0.6032

b)

Lower limit: 0.48

Upper limit: 0.72

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

Question a:

In a random sample of 63 professional actors, it was found that 38 were extroverts.

We use this to find the sample proportion, which is the point estimate for p. So

\pi = \frac{38}{63} = 0.6032

Question b:

Sample of 63 means that n = 63

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.6032 - 1.96\sqrt{\frac{0.6032*0.3968}{63}} = 0.4824

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.6032 + 1.96\sqrt{\frac{0.6032*0.3968}{63}} = 0.724

Rounding to two decimal places:

Lower limit: 0.48

Upper limit: 0.72

7 0
3 years ago
Write the mathematical expression that describes the arithmetic sequence
7nadin3 [17]
There are three types of progression: arithmetic progression, geometric progression and harmonic progression. Arithmetic progression is a sequence of numbers or variables that has a common difference. Geometric progression has a common ratio, while harmonic progression is just the reciprocal of the sequence in arithmetic progression.

Example of an arithmetic sequence is: 34, 37, 40, 43, 46. The adjacent terms have a common difference of 3. Mathematicians have already derived equations for arithmetic progression so it would be just convenient for us to predict the next numbers or missing numbers in the sequence. These equations are:

An = A1 + (n-1)d
Sn = (n/2)(A1 + An)

where
An is the nth term in the sequence
A1 is the first term in the sequence
n is the total number of terms int he sequence
d is the common difference
Sn is the sum of all the terms in the sequence

These two equations describe an arithmetic sequence.
6 0
3 years ago
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