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Andrej [43]
3 years ago
11

Two numbers that will multiply to -21 and also add to 4

Mathematics
2 answers:
Alja [10]3 years ago
8 0

Answer:

the numbers are 7 and -3

Step-by-step explanation:

malfutka [58]3 years ago
7 0

Answer:

7 and -3 are the numbers

Step-by-step explanation:

7-3= 4

7×-3= -21

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The correct answer would be 4 and 13/20
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3 years ago
Solve for x show all work -2× + 5=4× -7​
Anestetic [448]
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6 0
3 years ago
Read 2 more answers
What is an equation of the line that passes through the points ( 0,-7) and ( 5, -1)
tresset_1 [31]

Answer:

y = 5/6x - 5.167

Or

y = 5/6x - 31/6

Step-by-step explanation:

The equation of a line

y = mx + c

Step 1: find the slope

m = y2 - y1 / x2 - x1

Given points

( 0 , -7) ( 5 , -1)

x1 = 0

y1 = -7

x2 = 5

y2 = -1

Insert the values into the equation

m = -1 - (-7) / 5 - 0

m = -1 + 7 / 5

m = 6/5

y = 6/5x + c

Step 2: sub any of the two points given into the equation

y = 5/6x + c

( 5 , -1)

x = 5

y = -1

-1 = 5/6(5) + c

-1 = 5*5/6 + c

-1 = 25/6 + c.

c = -1 - 25/6

LCM = 6

c = -6 - 25 / 6

c = -31/6

c = -5.167

Step 3: sub c into the equation

y = 5/6x + c

y = 5/6x - 31/6

Or

y = 5/6x - 5.167

The equation of the line is

y = 5/6x - 5.167

7 0
3 years ago
The cover of a photo album has an area of 97.5 square inches. find its arwa in square centimeters
Anna [14]
Convert 97.5 inches to centimeters. 97.5 in=247.65 cm. The area is 247.65 inches^2. Hope this helps! ;)
4 0
3 years ago
Read 2 more answers
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