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Shtirlitz [24]
2 years ago
12

4/5a - 8 = a + 2 solve for a

Mathematics
2 answers:
luda_lava [24]2 years ago
8 0

Answer:

a=-50

Step-by-step explanation:

balandron [24]2 years ago
7 0

Answer:

-32/5

Find more steps at S_Y_M_B_O_L_A_B

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If the Math Olympiad Club consists of 13 students, how many different teams of 5 students can be formed for competitions?
rjkz [21]

Answer:

2 teams

Step-by-step explanation:

13 divided by 5 is 2.6, but you cannot split a person in half, so it would be two teams with a remainder of three people.

4 0
2 years ago
A person in the audience of a talk show has a 15% chance of winning free movie tickets. What is the chance that a person in the
Sergeu [11.5K]
-- The person in the audience will either win tickets or not win tickets.

-- The probability of (either win tickets or not win tickets) is 100%.

-- (Probability of win tickets) plus (probability of not win tickets) = 100%.

-- If (probability of win tickets) is 15%, then the (probability of not win tickets)
is the other 85%.
7 0
3 years ago
Read 2 more answers
Lashonda sells beaded necklaces. Each large necklace sells for $6.60 and each small necklace sells for $4.90 . How much will she
xxMikexx [17]
46.2 dollars for the large necklaces and 14 dollars and seventy cents for the small necklaces therefore she will earn $60.9
5 0
3 years ago
A secret code must consist of three capital letters followed by a digit. Letters cannot be repeated. How many secret codes are p
just olya [345]
The answer is 156,000.
7 0
3 years ago
Read 2 more answers
Help me on problem 7a and b plz
yanalaym [24]

Remark

The easiest way to graph this is to get a program to do it for you. Desmos is ideal.

Problem 7a

The graph is down  below the rest of the answer. 5x + 2y = 150

<u>x and y intercepts.</u>

The x intercept is marked as 30. That was derived by letting y = 0 to get

5x = 150   divide by 5

x = 150 / 5

x =  30

So if you buy NO wristbands, you can get 30 keychains

The y intercept occurs when x = 0

2y = 150    Divide by 2

y = 150 / 2

y = 75 That means if you buy NO keychains, you can buy 75 wrist bands.

Problem 7b

For this problem x = 18

5*18 + 2y = 150

90 + 2y = 150        Subtract 90 from both sides.

2y = 150 - 90

2y = 60                  Divide by 2

y = 60/2

y = 30

Conclusion

You can buy 18 key chains (given)

You can buy 30 wristbands (calculated)


8 0
3 years ago
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