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IRINA_888 [86]
3 years ago
5

Law of sines: StartFraction sine (uppercase A) Over a EndFraction = StartFraction sine (uppercase B) Over b EndFraction = StartF

raction sine (uppercase C) Over c EndFraction In △BCD, d = 3, b = 5, and m∠D = 25°. What are the possible approximate measures of angle B? only 90° only 155° 20° and 110° 45° and 135°
Mathematics
2 answers:
jekas [21]3 years ago
4 0

Answer:

c

Step-by-step explanation:

just took the test!

Korvikt [17]3 years ago
3 0

Answer:

I think it's C

Step-by-step explanation:

I just took the test.

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A standard dartboard has a diameter of 18 in. What is its area to the nearest square inch?
Reptile [31]
The meaning of the area is the measurement of a surface in this case a circle, which can be find by using the formula A= \pi r^{2}, where r is equal to the radius of the circle.

In this exercise is given that the diameter of a standard cardboard is 18 inches or a radius of 9 inches and it is asked to find its area. Therefore, to find the area of the circle you should substitute the value of the radius into the previous mention formula.

A= \pi r^{2}
A= \pi (9 in)^{2}
A= \pi (81 in^{2})
A=254.47 in^{2}

The area of the standard dartboard is 254.47 square inches or 254 square inches.





8 0
2 years ago
(3squared)squared x(10cubed)squared
kiruha [24]

Hii :))

\tt {(3 ^{2} )}^{2}  \times  {(10^{3}) }^{2}  \\ \tt  = (3 \times 3) ^{2}  \times  {(10 \times 10 \times 10)}^{2}  \\   \tt \: =  {9}^{2}  \times 1000 ^{2}  \\ \tt  = (9 \times 9) \times (1000 \times 1000) \\  = \tt \:  81  \times  1000000 \\  =  \boxed{\tt \:  81000000}

__________________

\overbrace{ \underbrace{ \mathfrak{ \: \infty  \:  Carry \: on \: Learning \:  \infty }}}

ᴛʜᴇᴇxᴛʀᴀᴛᴇʀᴇꜱᴛʀɪᴀʟ

3 0
2 years ago
Read 2 more answers
Based on a poll conducted by the Centers for Disease Control, 862 of 1013 randomly selected adults said that they always wear se
ivolga24 [154]

The confidence interval is  0.028, 0.872

<h3>Given </h3>

862 of 1013 randomly selected adults  wear seat belts.

The 95% confidence interval for the proportion of adults who always wear seat belts.

<h3>What is confidence interval?</h3>

A Confidence Interval is defined as a range of values we are sure our true value lies within it.

<h3>What is 95% confidence interval?</h3>

A 95% confidence interval is defined as that if we take 100 different samples and compute a 95% confidence interval for each sample, then approximately 95 of the 100 confidence intervals will contain the true mean value.

= 862/1013 = 0.85

At a 95% confidence interval ,the critical value is z_{0.025}  = 1.96

The 95% confidence interval for proportion is

\widehat p +/- z0.025 * sqrt(\widehat p * (1 - \widehat p)/n)

= 0.85 +/- 1.96 * sqrt(0.85 * (1 - 0.85)/1013)

= 0.85 +/- 0.022

= 0.028, 0.872

The sample should use at least 10 successes and 10 failures.

n * \widehat p = 1013 * 0.85 = 861 > 10

n * (1 - \widehat p) = 1013 * 0.15 = 152 > 10

As the sample size is larger, we can use an approximate formula for the standard error.

Learn more on Confidence intervals here:

brainly.com/question/8961482

#SPJ4

3 0
1 year ago
PLEASE HELP!!!!!
LekaFEV [45]

−4 3/7 −4 6/7 −5 3/7 4 2/7 5 1/7  



Least to greatest

−5 3/7  −4 6/7   −4 3/7  4 2/7 5 1/7  

5 0
3 years ago
Read 2 more answers
PLEASE HELP. I WILL GIVE BRAINLESS
Mila [183]

Answer:

1. 47.1%    2. 69.4%   3. 72.9% 4.  55.6%

Step-by-step explanation:

you just have to add both the numbers and divide the one you are trying to find is liked by the total of both.

ex.

what precent of chicago likes rain?

chicago rain 143   snow 59

143+59=202

143/202=70.7%

7 0
3 years ago
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