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Sati [7]
3 years ago
7

Elsa, Ryan, and Bill have a total of $135 in their wallets. Ryan has 4 times what Bill has. Elsa has $9 more than Bill. How much

does each have?
Mathematics
1 answer:
NNADVOKAT [17]3 years ago
6 0

Answer:

Bill has $21.

Step-by-step explanation:

There's $135. 84/4=21. At the same time, 21+9=30. 30+21+84=135.

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I need help on this question ASAP.
BigorU [14]

Answer:

C

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The given measurements may or may not determine a triangle. If not, then state that no triangle is formed. If a triangle is form
Fofino [41]
<h3>Answer:</h3><h3>C = 28.2, A = 25.8, a = 6.5</h3>

See diagram below.

==============================================

Work Shown:

Given info is

B = 126 degrees

b = 12

c = 7

Use the Law of Sines to solve for angle C

sin(C)/c = sin(B)/b

sin(C)/7 = sin(126)/12

sin(C)/7 = 0.067418082864579

sin(C) = 7*0.067418082864579

sin(C) = 0.471926580052053

C = arcsin(0.471926580052053) or C = 180-arcsin(0.471926580052053)

C = 28.1594278560921 or C = 180-28.1594278560921

C = 28.1594278560921 or C = 151.840572143908

C = 28.2 or C = 151.8

We have two possible angle values for C.

-----------------

If C = 28.2, then A = 180-B-C = 180-126-28.2 = 25.8

If C = 151.8, then A = 180-B-C = 180-126-151.8 = -97.8

So it is not possible for C = 151.8 (because it leads to angle A being negative)

Therefore, only C = 28.2 is possible.

-----------------

Use the law of cosines to find the remaining side 'a'

a^2 = b^2 + c^2 - 2*b*c*cos(A)

a^2 = (12)^2 + (7)^2 - 2*(12)*(7)*cos(25.8)

a^2 = 144 + 49 - 168*0.900318771402194

a^2 = 144 + 49 - 151.253553595569

a^2 = 41.7464464044315

a = sqrt(41.7464464044315)

a = 6.46114900032738

a = 6.5

-----------------

Only one triangle is possible

The fully solved triangle has these angles and sides:

  • A = 25.8 (approx)
  • B = 126
  • C = 28.2 (approx)
  • a = 6.5 (approx)
  • b = 12
  • c = 7

With stuff in bold representing the terms we solved for previously. Attached below is an image of the fully solved triangle.

4 0
3 years ago
Hi help no link pls and ty
anygoal [31]

Answer:

Unit

Step-by-step explanation:

5 0
3 years ago
What is the equation of the line that passes through the point (-2, 1) and has a
juin [17]
So i used the formula y=mx+b ; the equation should be y= -5/2 + 0.2
3 0
3 years ago
At a certain hospital, 75% of the interns receive fewer than 6 hours of sleep and report feeling tired during their shifts. At t
DENIUS [597]

Answer: 34%

Step-by-step explanation:

Creating a table with the information will help us.

<6h of sleep - 75% reported tired | 25% reported ok

>6h of sleep - 70% reported ok | 30% reported tired

80% of all interns received <6h of sleep

Let's imagine that we have 100 interns at this hospital

             <6h               |          >6h          Total

Tired       75% of 80          30% of 20    

 ok         25% of 80          70% of 20

Total        80                |             20            100

             <6h                |          >6h            Total

Tired   |    60                |             6                66

 ok     |     20               |            14               34

Total   |     80               |             20             100

what percent of the interns report no feelings of tiredness during their shifts?

34/100 = 34%

7 0
3 years ago
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