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Debora [2.8K]
3 years ago
7

Solve this math question? x-7=-19

Mathematics
1 answer:
ryzh [129]3 years ago
8 0
The answer would be -12
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The point y (-3,-1) is rotates 270 degrees. Please help
uranmaximum [27]

it is going to be c cause i know cause my kid does it

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3 years ago
​it's believed that as many as 2222​% of adults over 50 never graduated from high school. we wish to see if this percentage is t
jenyasd209 [6]

The given values are:

p =  22% = 0.22

Zc = 1.645 at 90% confidence level.

margin of error, E = 0.04

 

The formula we can use here is:

E = sqrt(pq/n) * Zc

 0.04 = sqrt(0.22*(1-0.22)/n)*1.645

n = (0.22*(1-0.22))*(1.645/0.04)^2

n = 290.22

 

hence minimum sample size = 290 

7 0
3 years ago
Triangle Slmliarity Assignment 2
USPshnik [31]

Answer: SAS

Step-by-step explanation:

There is an angle B or D and the sides being the 26, 21, and 32! (Sorry if I get it wrong)

3 0
2 years ago
deenas water bottle can hold a total of 2/5 liter of water. johns water bottle can hold a total of 5/2 liter of water whose wate
Alexandra [31]
John's. Find the first common multiple of both denominators, in this case it's going to be ten, then the number you had to multiply to change these numbers to the common multiply you do to the numerators. so it works out like so:

Deena has a bottle of 4/10
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8 0
3 years ago
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Radius question <br><br> * answers listed on pic but I just need a step by step explanation *
Rama09 [41]

Step-by-step explanation:

Let A(x) be the area function of given rectangle.

Radius of circle = 7x

Therefore, length of rectangle = 14x

Width of rectangle = 7x

\therefore \: A(x) =l\times w \\  =  14x   \times  {(7x)} \\ =98x^2 \\  \huge \red{ \boxed{ \therefore \: A(x) =98 {x}^{2} }}

Let P(x) be the Perimeter function of given rectangle.

P(x) =2(l + w) \\= 2(14x + 7x)\\=2\times 21x\\= 42x\\\huge \red{ \boxed{ \therefore \:P(x)= 42x}}

3 0
3 years ago
Read 2 more answers
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