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Yuri [45]
2 years ago
10

Helppppppppp pleaseeeeee

Mathematics
1 answer:
pishuonlain [190]2 years ago
8 0

Answer:

Yo solo pongo esta respuesta que no dice nada porque busco puntiooooooos

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If AB = 9, RS = 3, and SC = 5, find BC.<br> A) 5<br> B) 10<br> C) 13.5<br> D) 15
Ronch [10]

Answer:

D

Step-by-step explanation:

Δ ABC and Δ RSC are similar triangles, thus the ratio of corresponding sides are equal, that is

\frac{BC}{SC} = \frac{AB}{RS}, substitute values

\frac{BC}{5} = \frac{9}{3} = 3 ( multiply both sides by 5 )

BC = 5 × 3 = 15 → D

8 0
3 years ago
Read 2 more answers
A random sample has been taken from a population. A statistician, using this sample, needs to decide whether to construct a 90 p
AURORKA [14]

Answer:

Step-by-step explanation: a confidence interval is a range that shows how precise the measurement is. if a statistician decides to construct using 90 percent C I over a 95% C I, it tells you that you have 10% chance of being wrong rather than 5% chance of being wrong while using the 95%. Also a 90 percent confidence interval would be narrower than a 95 percent confidence interval

5 0
3 years ago
13) What is the simple interest and total amount earned on $4345 with an interest rate of
Annette [7]

Answer:

173.80 interest, 4518.80 total

Step-by-step explanation:

4345 X .03(3%)=130.35/year

130.35/12=10.8625/month

10.8625 x 16 months = 173.80 interest over 16 months

4345+173.80=4518.80 total amount

6 0
3 years ago
How does the graph of g(x)=⌈x⌉+7 differ from the graph of f(x)=⌈x⌉?
Lorico [155]
The addition of +7 influences the y values of the graph. Since it is positive, the graph of y=IxI would be moved 7 units upwards. 

Hope I helped :)
8 0
3 years ago
Jesssie has a piece of wood that is 8 feet long. He needs to cut pieces that are 7/8 of a foot-long. How many pieces will he be
sergeinik [125]

8/7.8=

8 x 8/7=

64/7=

9.14

The answer is 9 pieces  


4 0
3 years ago
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