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DedPeter [7]
3 years ago
9

Find the slope of the line that passes through (2,1) (4,4)

Mathematics
1 answer:
Rufina [12.5K]3 years ago
4 0

To find the slope you have to subtract x sub 2 minus X sub 1 over y sub 2 minus y sub 1

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5 cups to 8 cups <br> identify the percent
Kipish [7]
Well I am going to guess and i don't know if it right but 156.25ml
5 0
3 years ago
X - 35 &gt; 15 pleases solve
IrinaVladis [17]
Answer:

x-35>15

x>15+35

x>50
3 0
3 years ago
Read 2 more answers
Sales prices of baseball cards from the 1960s are known topossess a skewed-right distribution with a mean sale price of $5.25and
Serga [27]

Answer:

c. Skewed-right with a mean of $5.25 and a standard error of$0.28

Step-by-step explanation:

As we have given that Sales prices of baseball cards have a right-skewed distribution with a mean $5.25 and a standard deviation is $2.80.

Now, We know that if standard deviation = σ

then, standard error = \frac{\sigma}{\sqrt{n}}

As, we have standard deviation = $2.80

then standard error will be \frac{2.80}{\sqrt{100}}

⇒ Standard error = $0.28

Hence, Option (c) is the correct option.

6 0
3 years ago
What is the equation of the circle with center (2, –5) that passes through the point (–2, 10)?
Travka [436]
The standard equation of a circle is

(x-h)^2 + (y-k)^2 = r^2

where the center is at point (h,k)

From the statement of the problem, it is already established that h = 2 and k = -5. What we have to determine is the value of r. This could be calculated by calculating the distance between the center and point (-2,10). The formula would be

r = square root [(x1-x2)^2 + (y1-y2)^2)]
r = square root [(2--2)^2 + (-5-10)^2)]
r = square root (241)
r^2 = 241

Thus, the equation of the circle is

(x-2)^{2} + (y+5)^{2} =241
4 0
2 years ago
The sum of three numbers is 51 . the second number is 2 times the third. the third number is 9 more than the first. what are the
hammer [34]
X+y+z=51

y=2z
z=9+x

subsitute those

x+2z+9+x=51
x+2(9+x)+9+x=51
x+18+2x+9+x=51
4x+27=51
minus 27 both sides
4x=24
divide by 4
x=6

sub back

z=9+x
z=9+6
z=15

y=2z
y=2(15)
y=30

the numbers are
6,30,15
8 0
3 years ago
Read 2 more answers
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