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Anvisha [2.4K]
3 years ago
5

How do you factor negative numbers?! I need to factor -4 and -16, but I don't know how to factor negatives!

Mathematics
1 answer:
Gnom [1K]3 years ago
7 0
-4*4 is -16, i do it the same way. i hope that is what you meant.
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Of the coins in simones’s collection there is 13/25 are quarters. Of those quarters 2/3 are are state quarters, way fraction os
Reil [10]

Answer:

13/25 * 2/3 = 26/75

 

Multiplying numerators: 13 * 2 = 26

Multiplying denominators: 25 * 3 = 75

4 0
3 years ago
An angle measures 110° less than the measure of its supplementary angle. What is the measure of each angle?
NISA [10]

Answer: the angle is 35 degrees

The supplementary angle is 145 degrees

Step-by-step explanation:

Supplementary angles are angles whose sum is 180 degrees. This means that if angle x and angle y are supplementary, then the sum of angle x + angle y is 180 degrees.

The given angle measures 110° less than the measure of its supplementary angle.

Let the angle be x degrees and the supplementary angle be y degrees. This means that.

x = y - 110

Recall, sum of supplementary angles is 180 degrees. Therefore,

x + y = 180 - - - - - - - - 1

Substituting x = y - 110 into equation 1, it becomes

y - 110 + y = 180

2y -110 = 180

2y = 180 + 110 = 290

y = 290/2 = 145 degrees

x = y - 110 = 145 - 110

x = 35 degrees

5 0
4 years ago
If 75%of a number is 354 then what is the number
Aleonysh [2.5K]
Let, the number = x
x * 75% = 354
x * 0.75 = 354
x = 354 / 0.75
x = 472

In short, Your answer would be 472

Hope this helps!
8 0
4 years ago
What is the solution to the system of linear equations y-x=4 and y+2x=1?
Maksim231197 [3]
 -x + y = 4
2x + y = 1
     -3x = 3
      -3    -3
        x = -1
2x + y = 1
2(-1) + y = 1
     -2 + y = 1
   + 2       + 2
         y = 3
  (x, y) = (-1,3)
4 0
3 years ago
What is the equation of the line through(4,2) and (0,-2)?
Snowcat [4.5K]

Answer:

y =  x - 2

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (4, 2 ) and (x₂, y₂ ) = (0, - 2 )

m = \frac{-2-2}{0-4} = \frac{-4}{-4} = 1

the line crosses the y- axis at (0, - 2 ) ⇒ c = - 2

y = x - 2 ← equation of line

4 0
2 years ago
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