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Vadim26 [7]
3 years ago
5

Please helpp!!! Im putting 50

Mathematics
2 answers:
omeli [17]3 years ago
5 0

Answer:

a) $985

b) 89

Step-by-step explanation:

a)

C(117) = 400 + 5(117)

= 985

b)

845 = 400 + 5n

5n = 445

n = 89

aniked [119]3 years ago
4 0

Answer:

I believe the answer to a) is $985

I think the answer for b) is 89 people

Step-by-step explanation:

You plug in the numbers for either n or c

You might want a second opinion though.

I hope this helped!!  :)

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3 years ago
What is the surface area of the above composite object made out of two rectangular prisms?
aleksandrvk [35]

Answer:

  550 mm^2

Step-by-step explanation:

A net can be drawn as shown in the first figure attached. Each square represents 5 mm by 5 mm, so is 25 mm^2. Altogether, there are 22 of them, so the total area is ...

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The second attachment shows that net folded up to make the given figure.

_____

In the first attachment, the green shades represent the left- and right-side faces. (Darker green is left side.) The red and blue shades represent the front- and back-side faces. The white rectangles represent the top and bottom faces. The dark black lines are the cut lines. If you want to fold the figure up, the lighter lines are the fold lines.

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4 0
3 years ago
There are two non congruent triangles where B=55 degrees a=15 and b=13. Find the measures of the angles of the triangle with the
liq [111]

Answer:

The side c needs to be 12.85 for the triangle to have greatest perimeter

Step-by-step explanation:

We are given;

b = 13

a = 15

Angle at b: B = 55°

Let's find side c.

Using the law of cosines,we have;

b² = a² + c² - 2ac•cos(B)

13² = 15² + c² - 2•15•c•cos(55)

169 = 225 + c² - 30c•cos(55)

c² - 30c•cos(55) + 225 - 169 = 0

c² - 30c•cos(55) + 56 = 0

c² - 30c•(0.5736) + 56 = 0

c² - 30c•(0.5736) + 56 = 0

c² - 17.208c + 56 = 0

Using quadratic formula;

c = [-(-17.208) ± √((-17.208)² - (4•1•56)]/2(1)

c = [17.208 ± √(296.115 - 224)]/2

c = 8.604 ± 4.246

To have the greater perimeter, we need the larger value of c, thus we will use the positive sign and ignore the negative one ;

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c = 8.604 + 4.246 = 12.85

5 0
3 years ago
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4 0
3 years ago
Read 2 more answers
Evaluate 50 + 0.5 ×(41 - 32)
Zarrin [17]
To solve this expression, we need to follow the order of operations (BEDMAS)

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7 0
2 years ago
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