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Katarina [22]
3 years ago
12

Helppp me plzzzzzzzzzz

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
7 0
The first one is 36 the second one is 66 I think
Artemon [7]3 years ago
4 0
18(2) + 22(3) - 10 = $92
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olganol [36]

Answer:

73-3=70

70-20=50

50-24=26

7 0
3 years ago
Which property best justifies why the two expressions below are equivalent?<br> 3(m + 5) = 3m + 15
malfutka [58]
The distribution property is the best justification.
4 0
3 years ago
Read 2 more answers
It is estimated that 7 out of 10 people invited to a wedding will attend. If Mark and Katie invite 120 people, how many should t
Margarita [4]

7 and 10 is half

so we expect the people come to wedding half of 120÷2=60 people

i just try

5 0
3 years ago
Mr. Shamir employs two part-time typists, Inna and Jim, for his typing needs. Inna charges $15 an hour and can type 6 pages an h
coldgirl [10]

Answer:

The minimum cost would be 480$ when Inna works for 8 hours and Jim works for 20 hours.

Step-by-step explanation:

We are given the following information in the question:

Charges for 1 hour for Inna = $15

Number of pages typed by Inna in 1 hour = 6

Charges for 1 hour for Jim = $18

Number of pages typed by Jim in 1 hour = 8

Let x be the number of hours Inna work and let y be the number of hours Jim work.

Total cost = 15x + 18y

We have to minimize this cost.

Then, we can write the following inequalities:

6x + 8y \geq 208\\x \geq 8\\y \geq 8\\

The corner points as evaluated from graph are: (8,20) and (24,8)

C(8,20) = 480$

C(24,8) = 504$

Hence, the minimum cost would be 480$ when Inna works for 8 hours and Jim works for 20 hours.

The attached image shows the graph.

3 0
3 years ago
The point (-3/5,y) in the third quadrant corresponds to angle θ on the unit circle.
romanna [79]
Sec(theta) = 1 / cos (theta) = hypotenuse / x -coordinate

hypotenuse = 1 (because it is the radius of the unit circle)

sec (theta) = 1 / (-3/5) = - 5/3

cot (theta) = 1 / tan(theta) = x-coordinate / y - coordinate

cot (theta) = -3/5 / y

y^2 + (-3/5)^2 = 1 => y^2 = 1 - 9/25 = 16/25 = y = +/- 4/5

Third quadrant => y = -4/5

=> cot (theta) = (-3/5) / (-4/5) = 3/4
7 0
3 years ago
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