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Svet_ta [14]
3 years ago
10

6(3m+5)=66 find m please

Mathematics
2 answers:
ratelena [41]3 years ago
5 0

Answer:

2

Step-by-step explanation:

solve the parentheses (6*3m)(6*5) so 18m +30 = 66, subtract 30 to both sides. 18m =36 and divide by 18 to both sides m=2

harkovskaia [24]3 years ago
3 0

Answer:

18m+30=66

*minus 30 from 66

18m=36

*divide 36 by 18

m=2

Step-by-step explanation:

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last week the daily Low temperatures for a city in degrees celsuis were 5 8 6 5 10 7 and 1 what was the average low temperature
Tems11 [23]

Answer:

6

Step-by-step explanation:

5+8+6+5+10+7+1=42

42/7=6

7 0
3 years ago
What are the solutions to the equation x² + 16x + 14 = 0?
poizon [28]

Answer:

-8+5√2 and -8-5√2

Step-by-step explanation:

Given the expression x² + 16x + 14 = 0

USing the general formulas

x = -16±√16²-4(14)/2

x = -16±√256-56/2

x = -16±√200/2

x = -16±10√2/2

x = -8±5√2

Hence the required solutions are -8+5√2 and -8-5√2

3 0
3 years ago
3/2(5/3)-1 1/4+1/2 what is the answer to this
Rzqust [24]

Answer:

= 3/2 * 5/3 - 5/4 + 1/2

= 5/2 - 5/4 + 1/2

= 5/4 + 1/2

= 7/4

= 1 3/4

7 0
3 years ago
What is 4/6/10 plus 6/10 fractions
Paul [167]

Answer:

5 and 1/5

Step-by-step explanation:

it is written like this 4 and 6/10 + 6/10

so its 4 and (6+6) 12/10


12-10= 2 = 1 and 1/5

4 +1= 5

so now you have 5 and 1/5


YaYYYY hun xD

7 0
3 years ago
If a silver alloy that costs $4.50 an ounce is
Nitella [24]

6.5X + 9(30) = 8(30+X)6.5X +270 = 240 + 8X270-240 = 8X-6.5X1.5X = 30X = 30/1.5 =20 ounces of $6.50 alloy9 is within 1 of 86.5 is within 1.5 of 81.5 is 3/2 of 130 is 3/2 of 20You know you need more of $9 alloy since it's closer to $8You need exactly 3/2 or 1.5 times more of the $9 alloy30 is 1.5 times 20

5 0
2 years ago
Read 2 more answers
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