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Naily [24]
1 year ago
14

Refer to right triangle ABC with C = 90°. If a = 6 and c = 14, find b.

Mathematics
1 answer:
Maurinko [17]1 year ago
3 0

Answer: b=4(10)^1/2

Step-by-step explanation:

Distance Formula: a^2+b^2=c^2

6^2+b^2=14^2

36+b^2=196

b^2=160

b^2=10*16

b=(10*16)^1/2

b=4(10)^1/2

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Find the unit rate for each person's typing test in words per second 0.5 words/second is the unit rate for James. 3 words/second
Salsk061 [2.6K]

Unit rates is the rate of a quantity in comparison to 1 i.e. unit.

Based on the given parameters, Shanya is the fastest typist

From the question, the unit rates are given as:

  • James: 0.5 words per second
  • Shanya = 3 words per seconds

The unit rates of Tristan and Ebony are not given.

So, we compare the rates of James and Shanya

3 words in a second is greater than 0.5 words in a second.

Hence, Shanya is the fastest typist

Read more about unit rates at:

brainly.com/question/11848573

4 0
2 years ago
Nina opened a savings account and deposited $300.00. The account earns 4% interest, compounded monthly. If she wants to use the
mylen [45]

Answer:

up to $338.18

Step-by-step explanation:

Use the compound amount formula:

A = P(1 + r/n)^(n*t), where r is the interest rate as a decimal fraction and n is the number of compounding periods per year.

Here, A = $300(1 + 0.04/12)^(12*3), or

          A = $300(1.0033333)^*36, or

          A = $300(1.127) = $338.18

Nina will be able to spend up to $338.18 on a new bike.

5 0
3 years ago
Read 2 more answers
Assume that 33.4% of people have sleepwalked. Assume that in a random sample of 1459 ​adults, 526 have sleepwalked.
lutik1710 [3]

Answer:

Step-by-step explanation:

Given that  33.4% of people have sleepwalked.

Sample size n =1459

Sample favourable persons = 526

Sample proportion p = \frac{526}{1459} \\=0.361

Sample proportion p is normal for large samples with mean = 0.334 and

std error = \sqrt{\frac{pq}{n} } \\=\sqrt{\frac{0.334(1-0.334)}{1459} } \\=0.0123

a) P(526 or more of the 1459 adults have sleepwalked.)

=P(p\geq 0.361)\\=P(Z\geq \frac{0.361-0.334}{0.0123} \\=P(Z\geq 2.20)\\=0.5-0.4861\\=0.0139

b) Yes, because hardly 1.4% is the probability

c) 33.4 is very less compared to the average.  Either sample should be improved representing the population or population mean should be increased accordingly.

7 0
2 years ago
I need help wt this pls do it asap
viktelen [127]

Answer:

7/4

Step-by-step explanation:

its d because 4/7 =7/4

6 0
3 years ago
What is 1.25 times 10 to the 7th power in standard notation
Viefleur [7K]

Answer:

12,500,000. You simply move the decimal point over to the right 7 times.

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3 years ago
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