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2 years ago

This is confusing. can someone please help

Mathematics

2 answers:

kolezko [41]2 years ago

8 0

For finding the measure of C you should know a line is 180° so 124°+C = 180
now you can say:
C = 180°- 124° = 56 °
so the answer is 56° :)))
i hope this is helpful
have a nice day

andrey2020 [161]2 years ago

4 0

The answer is 56. 180-124=56.

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a landscaping company counted 51 invoices for tree services at the end of the month. they charge $375 for a tree installation an

Radda [10]

We used the elimination method to find the ordered pair, (x,y), that represents the situation is (12,39).

Number of invoices = 51

Charge for tree installation = $375

Charge for tree trimming = $54

Total amount in invoices = $6,606

Let x and y represent number of installations and number of trimmings respectively.

Hence,

x + y = 51 ...(1)

375x + 54y = 6606

3 (125x + 18y) = 3*2202

125x + 18y = 2202 ...(2)

Multiplying (1) by 18, we get

18x + 18y = 918 ...(3)

(2) - (3)

107x + 0 = 1284

x = 1284/107 = 12

Hence,

y = 51 - 12 = 39.

To learn more about elimination method, here:-

brainly.com/question/13877817

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3 0

9 months ago

7 out of 11 people brought umbrellas. there were 99 people there. How many people did not have one

Eduardwww [97]

36. If 7/11 did bring one, then 4/11 didn't. 4*9=36

7 0

2 years ago

10(5 - n) - 1 = 29 n = ? Help!

nydimaria [60]

n = 2

distribute and simplify left side of equation

50 - 10n - 1 = 29

49 - 10n = 29 ( subtract 49 from both sides )

- 10n = 29 - 49 = - 20

n = $\frac{-20}{-10}$ = 2

5 0

2 years ago

Read 2 more answers

The amount of time, in minutes, that a woman must wait for a cab is uniformly distributed between zero and 12 minutes, inclusive

murzikaleks [220]

Answer:

$P(X\leq x) =\frac{x-a}{b-a}, a \leq x \leq b$

And using this formula we have this:

$P(X$

Then we can conclude that the probability that that a person waits fewer than 11 minutes is approximately 0.917

Step-by-step explanation:

Let X the random variable of interest that a woman must wait for a cab"the amount of time in minutes " and we know that the distribution for this random variable is given by:

$X \sim Unif (a=0, b =12)$