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Nesterboy [21]
2 years ago
12

( 3x + 2) + (4x - 3) + ( x + 7) = 86 what is x

Mathematics
1 answer:
svet-max [94.6K]2 years ago
7 0

Answer:

x=10

Step-by-step explanation:

hope it helps

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In fix fraction it will be, 1 7/8

and the exact answer is 15/8

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➷ Use the expression "x + 2" to work this out

1 + (1 + 2) + (3 + 2) + (5 + 2) + (7 + 2) + (9 + 2) + (11 + 2 ) + (13 + 2) = 64

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5 0
3 years ago
An illusionist needs up to 10 volunteers for a show. She needs no fewer than 4 female volunteers. Let x represent the number of
Sliva [168]

The <em><u>correct answers</u></em> are:

B- x + y ≤ 10 ; and D- x ≥ 4

Explanation:

The illusionist needs at least 4 female volunteers.  This means he could use 4 or more; this means x, the number of female volunteers, is greater than or equal to 4:

x ≥ 4

The total of number of volunteers needed is up to 10.  This means the illusionist can use 10 or fewer people; this means the total is less than or equal to 10.

The number of female volunteers is x and the number of male volunteers is y; together they create the expression x+y.  This gives us

x+y ≤ 10

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Answer:

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Step-by-step explanation:

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