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Sedbober [7]
3 years ago
13

Need help with this

Mathematics
1 answer:
ivolga24 [154]3 years ago
6 0

In a triangle, the sum of the interior angles is 180.

So, you have

A+B+C=180

Plug the values for angles A and C:

75+B+20=180 \iff 95+B=180 \iff B=180-95=85

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Berta is planning a party for her friends. The room rental cost is $50 plus an additional $3 per person to cover food costs. Ber
ss7ja [257]

Answer:

  A. 3x+50 ≤ 100; 16 people

Step-by-step explanation:

If x represents the number of people at Berta's party, then the cost of food is 3x. Added to the $50 cost of room rental, the total charge Berta must pay will be ...

  3x +50

She wants this to be at most $100, so her inequality is ...

  3x +50 ≤ 100

Berta can solve this by subtracting 50, then dividing by 3.

  3x ≤ 50

  x ≤ 16 2/3

Since x represents a number of <em>people</em>, and it is not possible (or desirable) to have 2/3 of a person show up, the maximum number of people that can attend Berta's party is 16.

4 0
3 years ago
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8 0
4 years ago
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OverLord2011 [107]
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4 0
3 years ago
A bee flies 45 m in 10 seconds. At this rate, how far would this bee fly in 2 minutes? (dont just answer explain please)
Rudiy27
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Vikentia [17]

Answer:

78

Step-by-step explanation:

Mode = number that appears most in a set of numbers

The number that appears the most in this set is 78. So, the mode is 78. Hope it helps!

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