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Travka [436]
3 years ago
12

Which of the following is NOT a true statement?

Mathematics
2 answers:
Maslowich3 years ago
8 0

Answer:

It's B.

Step-by-step explanation

Lol I was just learning this a few weeks ago on online school

It's B because B would be alternate "exterior" angles not interior

^-^

DochEvi [55]3 years ago
5 0

Answerthe answer to this question is b

Step-by-step explanation:

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Which equation can be used to solve for the rate, r, for Sam to change all the light bulbs in the office building by himself?
Bad White [126]

Answer:

\frac{3}{r}+\frac{3}{8}=1

Step-by-step explanation:

Given question is incomplete; here is the complete question.

Working together, Sam and Charlie can change all light bulbs in the office building in 3 hours. It would have taken Charlie 8 hours to do the job alone. Which equation can be be used to solve for the rate 'r', for Sam to change all the light bulbs in the office building by himself.

Let Sam can change the bulbs in the office alone in 'r' hours  

Per hour work done by Sam alone = \frac{1}{r}

Let Sam takes he time to change the same bulbs in the office alone = 8 hours

Per hour work done by Sam = \frac{1}{8}

Since, Sam and Charlie complete the work together in time = 3 hours

Therefore, per hour work done by both = \frac{1}{3}

Equation for per work done by both will be,

Per hour work done by both = Per hour  work done by Sam alone + Per hour work done by Charlie

\frac{1}{r}+\frac{1}{8}=\frac{1}{3}

Therefore, equation for the rate 'r' will be,

\frac{1}{r}+\frac{1}{8}=\frac{1}{3}

\frac{3}{r}+\frac{3}{8}=1

8 0
3 years ago
Read 2 more answers
An art class is planning to paint a rectangular mural with an area of 60 square feet. It has to be at least 4 feet high but no m
Stells [14]
The painting could be 5ft high and 12ft long, or it could be 4ft high and 15ft long, or it could also be 6ft high and 10 ft long
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If f (x) = x and g(x) = 3x + 1 are two real functions. Find (f + g) (x)
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Answer:

4x + 1

Step-by-step explanation:

note that (f + g)(x) = f(x) + g(x) , thus

f(x) + g(x)

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= 4x + 1

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AysviL [449]
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I hope that helped you! c:
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3 years ago
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Can someone please help me???
Pavel [41]

Answer:

72

Step-by-step explanation: Can someone please help me???

What is the solution to −2x+8≥4?

x≤2x is less than or equal to 2

x≥2x is greater than or equal to 2

x≤−6x is less than or equal to negative 6

x≥−6

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