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Zinaida [17]
2 years ago
14

Solve for x. Do not type degree symbol or any spaces in your answer. 85 40° X

Mathematics
1 answer:
Komok [63]2 years ago
6 0
145 cause 40+85+90 equals 215 n then subtract that from 360
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The volume of construction work was increased by 60% but the productivity of labor increased by only 25%. By what percent must t
Sergeu [11.5K]

Answer: 28 %

Step-by-step explanation:

Let, Initially,

V be the volume of construction work

r be the productivity of labor  

n be the number of days

x be the number workers.

Thus,  V  = r × n × x   ------------(1)      

Now, According to the question,

The volume of construction work was increased by 60% but the productivity of labor increased by only 25%.

Therefore,

Final volume of the work = 160% of V = 1.6 V

Final productivity = 125% of r = 1.25 r

Also, the time is same in both conditions,

Final time taken = n

Let y be the number of people after changes.

Thus, 1.6 V = 1.25 r × n × y -----(2)

Dividing equation (1) by equation (2)

We get, y = 1.60 x/1.25

Thus, the changes in the number of workers

= \frac{(\frac{1.60x}{1.25}-x) }{x}\times 100

= 0.28 × 100

= 28 %


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3 years ago
Faith earned $565 last week. She earned the same amount each
ankoles [38]

Answer:

113 each day

Step-by-step explanation: i cant draw it out but just put it into a bubble or something sorry

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2 years ago
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5b-2=13  add 2 to both sides

5b=15  divide both sides by 5

b=3
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Choose all the equations that are true if x=9
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Which of the following rational functions is graphed below A.f(x)=1/x-4 B. F(x)=1/4x
dsp73

Considering it's vertical asymptote, the rational function graphed below is given by:

A. F(x) = \frac{1}{x - 4}.

<h3>What are the vertical asymptotes of a function f(x)?</h3>

The vertical asymptotes are the values of x which are outside the domain, which in a fraction are the zeroes of the denominator.

In this graph, there is a vertical asymptote at x = 4, that is, x - 4 is a term of the denominator, hence the function is given by:

A. F(x) = \frac{1}{x - 4}.

More can be learned about vertical asymptotes at brainly.com/question/16948935

#SPJ1

8 0
2 years ago
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