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PIT_PIT [208]
2 years ago
12

Write the given equation in standard form. −7x−5y=3

Mathematics
1 answer:
lina2011 [118]2 years ago
3 0

Answer:

7x+5y=-3

Step-by-step explanation:

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Three times the sum of a number and 4 is the same as 18 more than the number. what is the number​
____ [38]

Answer:

three times the sum of a number and 4, if n were to represent the unknown number, is:

3(n + 4)

18 more than a number is:

n + 18

If these two are the same, then they are equal to each other, then:

3(n + 4) = n + 18

*Do the distributive property on the left*

3n + 12 = n + 18

*Combine like terms*

2n = 6

*Divide both sides by 2*

n = 3

The number is 3.

7 0
3 years ago
PLEASE HELP... Students are making necklaces of six beads for their mothers. There are
nasty-shy [4]

Answer:

Step-by-step explanation:

#1 Number of ways picking 2 from 6 = 6C2 = 15

#2 Arranging them in a circle (consider 1 pair AB)

can be done

1,5  (ABBBBB)   or (5,1)

2,4 ( AABBBB) or (4,2)

3,3

1,1 (ABABAB)

all up = 7 ways

#3 = product of #1 and #2 = 15x7 = 105

3 0
1 year ago
Please help and answer
rusak2 [61]

Answer:  choice C

Step-by-step explanation:

sorry if wrong

5 0
2 years ago
Read 2 more answers
PLEASE HELP MEE RN! DUE IN 5 MINS SHOW YOUR WORK PLEASE
77julia77 [94]

Answer:

x = 0

y = -12

Step-by-step explanation:

Plug in what y is equal to into the second equation

-3(x - 12) = 2x + 36

Distribute the -3

-3x + 36 = 2x + 36

      -36           -36

-3x = 2x

They cannot be equal so x = 0

Plug in 0 into the y equation

y = 0 - 12

y = -12

5 0
2 years ago
The radius of the circle?
german
The given circumference is C = 12*pi

The formula for the circumference of any circle, with radius r, is 
C = 2*pi*r

Plug in the given value of C and solve for r

C = 2*pi*r
12*pi = 2*pi*r ... C has been replaced with 12*pi
12 = 2*r ... divide both sides by pi (they cancel out)
6 = r ... divide both sides by 2

So r = 6 is the radius
4 0
3 years ago
Read 2 more answers
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