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frutty [35]
3 years ago
7

Enter the correct answer in the box.

Mathematics
2 answers:
Rufina [12.5K]3 years ago
7 0

Answer: the formula is r you have it right there

Step-by-step explanation:

Lapatulllka [165]3 years ago
5 0

Answer:

Step-by-step explanation:

For this case we have the following equation:

a = v ^ 2 / r

From here, we must clear the value of speed.

We have then:

v ^ 2 = a * r

v = root (a * r)

Answer:

the formula for the velocity is:

v = root (a * r)

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Find the area for a triangle that has a base of 24 inches and a height of 4 inches
Bond [772]

Answer:

48

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A parabola has a vertex at (0, –1) and passes through the point (2, 2). Which of the following is the equation of this parabola
galben [10]
For vertex at (h,k)
the equation is
y=a(x-h)^2+k

for vertex at (0,-1)
equation is
y=a(x-0)^2+(-1) or
y=ax^2-1
find what a is

(2,2)
x=2
y=2
2=a(2^2)-1
2=a(4)-1
add 1
3=a(4)
divide both sides by 4
3/4=a

the equation is
y=3/4x^2-1
5 0
4 years ago
I NEED HELP ASAP Find the distance between the points (2, 3) and (2, 8).
andreyandreev [35.5K]

Use the distance formula: x=sqrt((x2-x1)^2+(y2-y1)^2)

Plug in ordered pairs for the variables:

x=sqrt((2-2)^2+(8-3)^2)

x=sqrt(0+25)

x=sqrt(25)

x=5 or -5

Since distance is ALWAYS positive, it's 5 units

Hope this helped!

6 0
4 years ago
Which equation best shows that 55 is a multiple of 11? Choose 1 answer: (Choice A) A 55 = 44 + 1155=44+1155, equals, 44, plus, 1
Charra [1.4K]

Answer: 11*5= 55

Step-by-step explanation:

3 0
3 years ago
An education firm measures the high school dropout rate as the percentage of 16 to 24 year olds who are not enrolled in school a
posledela

Answer:

The value of the test statistic z = -0.6606

Step-by-step explanation:

From the question we are told that

      The high dropout rate is \mu  = 6.1%  = 0.061

      The  sample size is  n = 1000

       The  number of dropouts x = 56

       The probability of having a dropout in 1000 people  \= x  = \frac{56}{1000}  =  0.056

Now setting up Test Hypothesis

 Null  H_o :  p = 0.061

 Alternative  H_a : p < 0.061        

The Test statistics is mathematically represented as

                 z = \frac{\= x - p}{\sqrt{\frac{p(1 -p)}{n} } }

substituting values

               z = \frac{0.056 - 0.061}{\sqrt{\frac{0.061(1 -0.061)}{1000} } }

               z = -0.6606

6 0
3 years ago
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