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choli [55]
3 years ago
13

Help me with this please please please

Mathematics
1 answer:
Natali [406]3 years ago
5 0

Answer:

x2 = -5 x1 = -1 y2 = 7 y1 = 3

d = V(-6)^2 + (4)^2 = V52 = 2V13

x2 = 10 x1 = 0 y2 = -15 y1 = -5

d = V(10)^2 + (-10)^2 = V200 = 10V2

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In 2012, Gallup asked participants if they had exercised more than 30 minutes a day for three days out of the week. Suppose that
enot [183]

Answer:

0.622

Step-by-step explanation:

According to the question,

62.2% of the respondents from Hawaii said that they had exercised more than 30 minutes a day for 3 days out of the week.

So, value of the sample proportion of people from Hawaii who exercised for at least 30 minutes a day for 3 days in a week is given by,

\frac {62.2}{100}

= 0.622  

7 0
3 years ago
What is the total cost of 0.5 pound of peaches selling for $0.80 per pound and 0.7 pound of oranges selling for $0.90 pet pound?
kari74 [83]
The total cost for peaches is $0.40 you get that by (0.5)(0.80) as for oranges (0.7)(.90)=$0.63 so $0.40+$0.63=$1.03
3 0
3 years ago
Solve the equation 24 = 13n – 4n +9.<br> n =
Alexxx [7]

Answer:

n=5/3

Step-by-step explanation:

24=13n-4n+9\\24=9n+9\\15=9n\\\\n=15/9

simplified it would be 5/3

(If you wouldn't mind, if this helped you, please give brainliest, I'm trying to get an achievement)

4 0
3 years ago
What is the minimum value for h(x)=x2−16x+60?
iogann1982 [59]
Minimum value is equal to x=8, y=-4
First find the derivative of the original equation which equals= d/dx(x^2-16x+60) = 2x - 16
at x=8, f'(x), the derivative of x equals zero, so therefore, at point x = 8, we have a minimum value.
Just plug in 8 to the original equation to find the answer for the minimum value. 
3 0
4 years ago
Solve the system of equations by elimination:<br> 2 - 5y = 1<br> 2x + 5y = 17
lesantik [10]

Answer:

X = 8 And y = 1/5

Step-by-step explanation:

add equaction i and education ii,

2 -5y = 1

2x +5y = 17

------------------

2+2x = 18

or, 2x = 18 - 2

or X = 16/2

or X = 8

Again from equation i,

2 - 5y = 1

or, -5y = 1 - 2

or, -5y = -1

or, y = -1/-5 (cut the subtraction sign)

or, y = 1/5

8 0
2 years ago
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