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olganol [36]
2 years ago
13

Please help! 3(x - 5) = 6 x =

Mathematics
1 answer:
Orlov [11]2 years ago
3 0
The answer is 7 distributed and you get 3x-15=6 add 15 to both sides you get 3x=21 and x equals 7
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Rex is currently taking physics as one of his electives in school. His grade at the end of the year is determined by the average
frozen [14]

Answer:

The answer would be A)98.

I got this by taking the 3 test scores that were provided and adding them then subtracting that by 360 (90x4 - which would give you a 90 in the end) so I had 360 - 262 which equaled 98 and that would be the score needed to have a 90 in the end.

6 0
2 years ago
Read 2 more answers
Law of cosine find m<B a=11 b=12 c=17
Andrei [34K]
Cos (B) = (a^2 + c^2 -b^2) / (2 * a * c)
cos (B) = (11^2 +17^2 -12^2) / (2 * 11 * 17)
cos (B) = (121 + 289 -144) / (374)
cos (B) = 266 / 374
cos (B) = <span> <span> <span> 0.7112299465
Angle B =  </span></span></span>44.665 degrees








3 0
3 years ago
Calcular s, si la figura es un prisma a=15m2, b=20m2
julia-pushkina [17]
Celculate the figures by using the numbers,with letters
6 0
3 years ago
X = 7 + 3y
pogonyaev
<h3>Given Equation:</h3>

x = 7 + 3y

or, x - 3y - 7 = 0 ........ (i)

5x + 6y = 14

or, 5x + 6y - 14 = 0 .........(ii)

<h3>To Find:</h3>

The value of x and y.

<h3>Solution:</h3>

By dividing eq. ii by 2, we get

5/2x + 3y - 7 = 0 ........ (iii)

By adding eq. i and eq. iii, we get

15/2x = 0

or, <u>x = 0</u> ........(iv)

By putting eq.(iv) in eq. (i), we get

0 - 3y - 7 = 0

or, -3y = 7

or, <u>y = </u><u>-</u><u>7/</u><u>3</u>

<h2>Answer: ( 0, -7/3 )</h2>

The value of x and y is 0 and -7/3 respectively.

5 0
3 years ago
Read 2 more answers
Christopher is deciding between two landscaping companies for his place of business.
Eddi Din [679]

Answer:

A=30t+200

B=50t+100

The number of hours,t, that would make the cost of each company the same is 5.

30(5)+200= A

  150+200=350

50(5)+100= B

  250+100=350

Step-by-step explanation:

3 0
3 years ago
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