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igomit [66]
3 years ago
10

What is the missing polynomial?

Mathematics
2 answers:
Studentka2010 [4]3 years ago
8 0

Answer:C

Step-by-step explanation:

german3 years ago
7 0

Answer:

C. 40-4x-12x^2

Step-by-step explanation:

very simple

? – (20 – 4x – 5x2) = 20 – 7x2, so ?  = 20 – 7x2 + (20 – 4x – 5x2)

?  = 20 – 7x2 + (20 – 4x – 5x2)=20-7x²+20-4x-5x²=40-12x²-4x

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Find the length line segment between the points (-2,-1) and (5,6)?
snow_lady [41]

Answer:

<em>7√2 units </em>

Step-by-step explanation:

( x_{1} , y_{1} ) and ( x_{2} , y_{2} )

d = \sqrt{(x_{2} -x_{1} )^2 + (y_{2} -y_{1})^2 }

( - 2 , - 1 )

( 5 , 6 )

d = \sqrt{(-2-5)^2 + (-1-6)^2} = <em>7√2 units</em>

6 0
3 years ago
Brianna has saved $32. 1/4 of the $ she earned from babysitting. How much $ did she earn babysitting?
zalisa [80]
If $32 dollars is 1/4 of the money she made babysitting then you would add 32 four times to reach the answer.

Answer - $128 is what she made babysitting.
5 0
4 years ago
Solve the following 1-step equation for x
crimeas [40]
102 = x - 11
102 + 11 = x - 11 + 11
113 = x
3 0
4 years ago
Brian has DVDs and CDs. The number of CDs he has can be modelled with the formula C = 2D + 11, where C represents the number of
wel

Answer: <u> 15 DVDs</u>

Step-by-step explanation:

C = 2D + 11

41 = 2D + 11

2D = 30

D = 15 DVDs

7 0
2 years ago
Right triangle XYZ is shown below with the dimensions given in yards (yd).
zavuch27 [327]

we know that


cos x=XZ/XY

XZ=28 yd

XY=83 yd

cos x=28/83

X=arc cos (28/83)---------> X=70.28°---------> X=70.3°


the answer is

X=70.3°

8 0
4 years ago
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