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yawa3891 [41]
3 years ago
15

Hi!!! please help! :)))

Mathematics
2 answers:
romanna [79]3 years ago
8 0

Answer:

1) x

2) x√2

3) x

Step-by-step explanation:

Leya [2.2K]3 years ago
4 0

Answer:hello!

Step-by-step explanation:

Search up 45-45-90 triangle side rules and you can find them all

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Marcus bought a booklet of tickets to use at the amusement park. He used 25% of the tickets on rides, 1/4 of the tickets on vide
Jobisdone [24]

Answer:


Step-by-step explanation:


6 0
3 years ago
For each pair of points, find the slope of the line that passes through both points.
Georgia [21]

Step-by-step explanation:

a. (1,1) and (7,5)

b. (1,1) and (5,7)

c. (2,5) and (-1, 2)

d. (2,5) and (-7,-4)

Slope of the line that passes through the points

  The slope = \frac{y_{2} - y_{1}  }{x_{2} - x_{1}  }

a. (1,1) and (7,5) ;

    slope  = \frac{5-1}{7-1}   = \frac{4}{6}

     slope = \frac{2}{3}

b. (1,1) and (5,7)

      slope  = \frac{7-1}{5-1}  = \frac{6}{4}

      slope = \frac{3}{2}

c. (2,5) and (-1, 2)

      slope = \frac{2-5}{-1 - 2}  = \frac{-3}{-3}

       slope  = 1

d. (2,5) and (-7,-4)

      slope  = \frac{-4 - 5}{-7 - 2}  

       slope = \frac{-9}{-9}  = 1

6 0
3 years ago
Find the 5th term in the sequence an=3n - 5
netineya [11]

Answer:

aₙ = 3n - 5

5th term = a₅ = 3.5 - 5 = 15 - 5 = 10

3 0
3 years ago
Read 2 more answers
A company manufactures 2,000 units of its flagship product in a day. The quality control department takes a random sample of 40
shepuryov [24]

Answer:

B

Step-by-step explanation:

The recommended sample size n for point estimates is:

n = NX / (N + X - 1)

where N is the population size, and X is defined as:

X = Z² p (1 - p) / E²

where Z is the critical value, p is the sample proportion, and E is the margin of error.

Assume a confidence level of level of 95% and a margin of error of 5%.

α = 0.05, Z(α/2) = 1.96

E = 0.05

Of the 40 units tested, 2 had lifespans less than 26 days.  So the proportion is:

p = 2/40 = 0.05

Therefore:

X = (1.96)² (0.05) (1 - 0.05) / (0.05)²

X = 73

Given N = 2000:

n = (2000) (73) / (2000 + 73 - 1)

n = 70.45

Rounding, the recommended sample size is 70.

5 0
4 years ago
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Kathy deposits $25 into an investment account with an
Oksi-84 [34.3K]

Answer:

25 x 1.05^15 = $51.97

7 0
3 years ago
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