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Katarina [22]
3 years ago
7

HELP ME THIS MY LAST QUESTION PLEASE!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
krok68 [10]3 years ago
7 0

Answer: c

Step-by-step explanation:

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Can some one help me plz I really need help
Sonbull [250]
1. 2x + 50 = 100
subtract 50 on both sides and then divide by 2.

x = 25

180 - 100 = 80

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2. 7x - 4 = 87
add 4 on both sides and divide by 7.

x = 13

180 - 87 = 93

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3. 5x - 2 = 38
add both sides by 2 and divide by 5.

x = 8

180 - 38 = 142

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4. 14 + 6x = 134
subtract both sides by 14 and divide by 6.

x = 20

180 - 134 = 46

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5. x = 53

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6. x = 14

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6 0
3 years ago
Set E = { three-digit numbers divisible by 8 }<br> Find n(E) = ? ( don't mind the nos. 3 )
Julli [10]
624 is divided by 8. Hope this helps.
4 0
3 years ago
Read 2 more answers
Suppose that 1/2 of all cars sold at a Nissan dealer in a given year are Altimas, 1/3 are Maximas, and the rest are Sentras. Sup
IRINA_888 [86]

Answer:

(1) Not conditional, 5/8

(2) Not conditional, 1/12

(3) Conditional, 1/18

Step-by-step explanation:

Fraction of cars sold

Altima = 1/2

Maxima = 1/3

Sentra = 1 - (1/2 + 1/3) = 1 - 5/6 = (6 - 5)/6 = 1/6

Fraction of cars sold with moon roof

Altima = 3/4 × 1/2 = 3/8

Maxima = 1/2 × 1/3 = 1/6

Sentra = 1/2 × 1/6 = 1/12

(1) Probability (a randomly selected car has a moon roof) = 3/8 + 1/6 + 1/12 = (9+4+2)/24 = 15/24 = 5/8

(2) Probability (a randomly selected car has a moon roof given it is Sentra) = 1/12

(3) Probability (a randomly selected car is a Maxima if it has a moon roof) = 1/3 × 1/6 = 1/18

A conditional probability uses if (as a condition) in making statements or asking questions

An unconditional probability makes statement or ask question without the use of condition (if)

5 0
3 years ago
Choose the postulate or theorem when combined with the AAA Postulate for triangle similarity can be used to establish the AA Pos
Ket [755]
This is the concept of geometry, for us to prove the similarity of angles we can use the following postulates:
SAS (side-angle-side)
ASA (Angle side Angle)
SSS (side side side)
AAS (Angle Angle side)
therefore, given that AAA is used to prove similarity, another postulate that can be used to strengthen the postulate is SAS, because we already have the angle sizes, adding more sides will make the prove even stronger since we shall have three corresponding angles plus wo corresponding sides.

7 0
3 years ago
Read 2 more answers
6. The distance from Tory's home to the mall is 14 km. The distance from her home
Minchanka [31]

Answer: 6 km to 22 km !

Step-by-step explanation:

the distances from the school mall to bus station could be, in the worst case, 14+8=22 km apart, and in the best case 14-8=6 km apart

so the range is 6 km to 22 km !

8 0
2 years ago
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