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Svetradugi [14.3K]
3 years ago
7

Three fourths of a number is -27 . What is the number ?????

Mathematics
1 answer:
vekshin13 years ago
5 0

Answer: The answer is -36

Step-by-step explanation:

3/4 of -36 is -27

Let x be the number  

3/4 of x = -27

Means

(3/4)(x)= -27

3x/4= -27

Multiply by 4 both sides

 

(4)(3x/4)=(-27)(4)

Cancel out 4 from Right hand side and multiply 4 on left hand side

3x=-108

Divide by 3 both sides

3x/3=-108/3

Cancel out 3 from Right hand side

x=-36

Number is -36

Have a great day!

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8 0
2 years ago
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2 years ago
Parallel to y =9x 3, y-intercept at -2
Mashutka [201]
Slope-intercept form:
y=mx+b
m=slope
b=y-intercept

We have this line: y=9x+3; a line parallel to this line (y=9x+3) will have the same slope; therefore m would be equal to 9 (m=9).

Data:
m=9
b=-2
y=mx+b
y=9x-2

Answer: y=9x-2
3 0
3 years ago
If y=27 when x= 8 find y when x =11
Rina8888 [55]

Answer:

37 1/8

Step-by-step explanation:

The problem probably assumes direct variation

y=kx

IF so, then plug in the values and solve for k

27=k(8)

k = 27/8

y= (27/8)x.  Now let x = 11

y = (27/8)11 = 27(11)/8 = 37.125 = 37 1/8

y = 37 1/8

the problem is making some assumption about the relation between x and y.  The simplest assumption that's likely is direct variation,  that x and y are linearly related.  The graph is a straight line through the origin with slope = 27/8

6 0
2 years ago
5.
Vlada [557]

Answer: 1.26 inches

explanation :

because if you subtract 7 by 3.2 you'll get

3.8, 3.8 will be the total of rain if you add week 1 2 4 , then youll have to find the average by dividing 3.8 by 3 youll get 1.26 . so that means the average lenth of the rain for 1 2 4 is 1.26 inches

6 0
2 years ago
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