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3 years ago

Please help please please

Mathematics

1 answer:

fgiga [73]3 years ago

8 0

Answer:

146 feet

Step-by-step explanation:

The missing angle is 146 degrees. May I please have Brainiest?????

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Find the equation of the line through point (3,2) and perpendicular to 3x + 5y = 15

Vesnalui [34]

Answer:

y=5/3x-3

Step-by-step explanation:

first, let's put 3x+5y=15 into y=mx+b form

move 3x to the other side

5y=-3x+15

divide by 5

y=-3/5x+3

now, perendicular lines have slopes that are negative and reciprocal.

With our new equation we can automatically find the slope, which would be 5/3.

now, we need to find b

plug the points (3,2) into y=5/3x+b

2=5/3(3)+b

2=5+b

-3=b

so that means that our equation will now be

y=5/3x-3.

Hope this helps!

6 0

3 years ago

Greta is throwing yard darts 10 ft from the front edge of a circular target of radius 18 in. If she releases the dart 4 ft above

Vilka [71]

Answer:

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3 years ago

Especial on a cruise to Atlantis is advertising is being eight nights of the regular price the regular price is $1827 what is th

Valentin [98]

Answer:

$14,616

Step-by-step explanation:

The computation of the sales price is shown below:

The regular price is $1,827

And it would be advertised having 8 nights of the regular price so here we assume that the sales price is 8 times of the regular price

so, the sales price is

= $1,827 × 8

= $14,616

6 0

2 years ago

Suppose that the duration of a routine doctor's visit is known to be normally distributed with a mean of 21 minutes and a standa

vazorg [7]

Answer:

33.36% probability that it lasted at least 24 minutes

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 21, \sigma = 7$