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Korolek [52]
3 years ago
13

Factorise (x+3)²-25help meeeeee​

Mathematics
2 answers:
Natalka [10]3 years ago
5 0

Answer:

(x + 8)(x - 2)

Step-by-step explanation:

(x+3)²-25

x² + 6x + 9 - 25

combine like terms:

x² + 6x - 16

(x + 8)(x - 2)

bearhunter [10]3 years ago
4 0
....................
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The diameter of your bicycle wheel is 20 inches. How far will you move in one turn of your wheel? a. 56.3 inches c. 125.6 inches
Ann [662]
20 x 3.14 = 62.8 is your answer
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3 years ago
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Does anyone know the answer to this , its math inequalities <br><br> 48 &gt; -6x
faltersainse [42]

Answer:

x >  - 8

Step-by-step explanation:

Swap the sides of the inequality and flip the inequality sign:

- 6x < 48

Divide both side of the inequality by -6 and flip the inequality sign:

x >  - 8

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3 years ago
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The following is a set of hypotheses, some information from one or more samples, and a standard error from a randomization distr
Tanya [424]

Complete Question

The following is a set of hypotheses, some information from one or more samples, and a standard error from a randomization distribution. Test H_o : p =  0.28 vs H a : p <  0.28when the sample has n 900 , and \^ p = 0.216 with SE=  0.01 . Find the value of the standardized z -test statistic. Round your answer to two decimal places.

Answer:

The value is  z =  -6.40

Step-by-step explanation:

Generally the standardized test statistics is mathematically represented as

     z =  \frac{\^ p  -  p }{ SE }

=>  z =  \frac{0.216  -  0.28 }{ 0.01  }

=>  z =  \frac{0.216  -  0.28 }{ 0.01  }

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4 0
3 years ago
What does 101=50-h h means the number 49
ICE Princess25 [194]
Let me see if I understand your question:

101=50-h

this would just be an equation with a variable: this variable is "h". Variable is an unknown value, like a name for "something".

so we could say that 101 equals 50 minus "something" and we call this something "h"

this is what 101=50-h "means"

as it happens, we can find out the value of this h:

we can subtract 50 from both sides of the equation:

101-50=50-50-h
51=-h

and multiply by (-1)
-51=h

so our h is equal to -51.

so...  does not actually mean here 49...

let me know if you have further questions!
6 0
3 years ago
Help, i will do brainliest!!!
vfiekz [6]

Answer:

(a)62.625     (b) 8.35

Step-by-step explanation:

33.4/4 = 8.35

8.35*7.5 = 62.625

6 0
3 years ago
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