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Ostrovityanka [42]
3 years ago
9

Please anyone help me

Mathematics
1 answer:
Ksju [112]3 years ago
3 0

Answer:

-52

Step-by-step explanation:

plug 2 into u(x) which is equal to

2(5) + 1= 5

plug 5 into w(x) which is equal to

-2(5^2) - 2

-2(25) - 2

-50 - 2 = -52

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128.34 as a mixed number in simplest form
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you answer 95% of the quedtions coretly on a 40-question test.How many questios do you answer incorrectly?
bogdanovich [222]
38.

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4 0
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Read 2 more answers
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Sophie [7]

Answer:

-4,7

Step-by-step explanation:

add both to get y=7

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3 0
3 years ago
Rewrite the equation by completing the square.<br> x^2 + 2x – 48 = 0
slamgirl [31]

Answer:

(x+1)^2 = 49

x = 6                 x = -8

Step-by-step explanation:

x^2 + 2x – 48 = 0

Add 48 to each side

x^2 + 2x =48

Take the coefficient of x

2

Divide by 2

2/2=1

Square it

1^2 =1

x^2 + 2x +1=48+1

x^2 +2x+1 = 49

(x+1)^2 = 49

Take the square root of each side

sqrt((x+1)^2) =±sqrt( 49)

x+1 = ±7

Subtract 1 from each side

x+1-1 = -1  ±7

x = -1+7          x = -1 -7

x = 6                 x = -8

3 0
3 years ago
PLS HELP I MUST DO THIS BEFORE 1:30 PLS HELP OR I WILL FAIL TY
sweet [91]
The MAD for City 1 is 24.
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The MAD for City 2 is less than the MAD for City 1, which means the average monthly temperatures of City 2 vary less than the average monthly temperatures for City 1.
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