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Svetllana [295]
4 years ago
13

Please help with number 5. Select all that apply.

Mathematics
1 answer:
posledela4 years ago
8 0

Answer: options A, B and C are correct

Step-by-step explanation:

Ray's daily pay,P in dollars is given by the function, p(h) = 10h with h representing the number of hours that he worked on that day. If he worked c hours on Thursday and this is 3 hours more than he worked on Friday, then the following statement is true. We substitute c and c-3 for Thursday and Friday into the given function, p(h) = 10h

A) 10c -3 represents Ray's pay in dollars on Friday.

B) 10c represents Ray's pay in dollars on Thursday.

C) p(c ) - p(c-3) represents how much more Ray's pay was on Thursday than on Friday

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An airplane is flying at 455 miles per hour. What is its speed in kilometers per minute?
MArishka [77]

Answer:

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Evaluate cot 290º. Round your answer to the nearest hundredth. Explain each step
Paladinen [302]
Looking at the unit circle:
tanӨ = tan(Ө <span>± 180k)
If we add/subtract 180° from our angle, it simply ends up on the other side of the unit circle. Since tan</span>Ө is represented as slope, the values of the two are the same.

cotӨ is defined as the reciprocal of tanӨ (1/tanӨ)
If tanӨ = tan(Ө ± 180k), then we could also say that
1/tanӨ = 1/tan(Ө ± 180k) which then becomes cotӨ = cot(Ө ± 180k)

Let's apply this to cot(290°).
Subtract 180° to find that cot(290°) = cot(110°)

cot(110°) = -cot(70°) because the angle has been reflected across the y axis, making its slope opposite.

-cot(70°) = -1/tan(70°) because of that reciprocal property from earlier
tan(70°) ≈ 2.75
-1/tan(70°) ≈ -0.36 = cot(290°)

(of course, most calculators can handle tan(110°), but if you're using a trig chart it might not be on there. include whichever steps are necessary)

5 0
3 years ago
If lulu equals 6, julie equals 15, joe equals 15 and jill equals 12, what number is each letter worth
Ede4ka [16]
In Lulu, each letter is worth 1.5.

In Julie, each letter is worth 3.

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Hope this helps! :)


6 0
4 years ago
Rational or irrational ?
vazorg [7]

Answer:

  rational

Step-by-step explanation:

A repeating decimal is a rational number.

Repeating 6's has a value of 2/3, so this number is 6 2/3 = 20/3, a rational number.

8 0
3 years ago
James used 3 1/4 cups of flour in a cookie recipe and 2 1/2 cups of flour in a bread recipe. How many cups of flour use combined
irina [24]
Answer:
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Step by step explanation:
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4 0
4 years ago
Read 2 more answers
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