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Marat540 [252]
3 years ago
14

2. Solve the system of equations using the Substitution Method

Mathematics
1 answer:
STALIN [3.7K]3 years ago
8 0

Answer: 6

Step-by-step explanation:

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What is 42/134 as a percentage (with a explanation on how you caculated it)
BlackZzzverrR [31]

Answer:

31.34 (to 2d.p.)

Step-by-step explanation:

Just use a calculator and type 42/134

3 0
3 years ago
Jeff has 8 red marbles 6 blue marbles, and 4 green marbles that are the same size and shape he puts the marbles into a bag, mixe
Cloud [144]

Hey buddy I am here to help!

Red = 8

blue = 6

greem = 4

total = 18

probability of blue marble = 6/18 = 1/3

4 0
3 years ago
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I did help on this question
Advocard [28]

Answer:

6/7

Step-by-step explanation:

8 0
3 years ago
Write sin 81 degrees in terms of cosine
NARA [144]

Answer:

Sine, cosine and tangent formulas are used in RIGHT triangles. So you have one 90 degree angle and two acute angles that add up to 90 degrees (they are complimentary). So the cosine of one angle would be the same as the sine of the compliment to that angle... and vice versa. To answer this question, sin 81 = cos 9, since 81 and 9 are the two acute angles of the triangle and they both add up to 90 degrees. "Cos 9" is the answer when you wish to write "sin 81" in terms of "cosine."

Please give me brainiest

8 0
3 years ago
You need to buy the supplies to carpet a 15 foot by 14 foot room. The padding costs 0.89 per square foot and the carpeting costs
Troyanec [42]
Area of the room =  14*15 = 210 ft^2
Cost padding = 210*89 =   186.90
Cost of carpet =   210 * 2.99 = 627.90
Perimeter of the room = 2*15 + 2*14 =  58 ft
Cost of strip = 58*0.19 =  11.02

Total cost of supplies = 186.90 + 627.90 + 11.02  =   825.82  Answer
6 0
3 years ago
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