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mel-nik [20]
3 years ago
11

5. What is the value of x? A)15 Square root 3 B)15/2 C)5 Square root 3 D)15 Square root 2/2

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
7 0

Answer:

5√3

Step-by-step explanation:

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An antelope can run a speed of 61 miles per hour. What is this speed in yards per second? Round to the nearest hundredth
DochEvi [55]

Answer:

= 29.82 yards/second

Step-by-step explanation:

The speed is given in the problem.  We just need to convert its units.  The multiplicative identity (that is, 1) may be used to change the units without changing the value.  (note:  do you know what the additive identity is?)

     61 miles per hour

    (61 miles) / (1 hour)

   (61 miles)/(1 hour)*1

   ((61 miles)/(1 hour))*((5280 feet)/(1 mile))

   ((61 miles)/(1 hour))*((5280 feet)/(1 mile))*((1 yard)/(3 feet))*((1 hour)/(60 minutes))*((1 minute)/(60 seconds))

      note:  miles, feet, hours, minutes cancel out; leaving yards per second

    (61/1)*(5280/1)*(1/3)*(1/60)*(1/60)   yards/second          (note: I write that way to paste into Excel)

8 0
3 years ago
I really NEED help!
Gala2k [10]

Answer:

This is long ill write up a short summary of the answer in 2 mins

Step-by-step explanation:

6 0
3 years ago
A. Find y in terms of x if ????y????x=x6y−7 and y(0)=4. y(x)= (8/7x^7+4^8)^(1/8) . B. For what x-interval is the solution define
topjm [15]

Answer:

Step-by-step explanation:

part A)

given

x=x6y-7

so y in terms of x would be

y=(x+7)/x6

part b)

in order to find intervals of function, we determine the intervals where the function has a positive first derivative . To find  intervals, first we  find the critical values, or  points at which the first derivative of the function is equal to zero. For the given function the intervals would be

put zero in equation

y=(x+7)/6x

y= infinity

put 1

y=1.333

put 2

y= 0.75

put 3

y= 0.555

hence we can see that the interval is from zero to positive infinity

(PINF)

3 0
3 years ago
2y+4x=8 when x=-2,1,3
kondor19780726 [428]
4x + 2y = 8

When x = -2:     4x + 2y = 8
                      4(-2) + 2y = 8
                          -8 + 2y = 8
                        + 8         + 8
                                 2y = 16
                                  2      2
                                   y = 8
                             (x, y) = (-2, 8)

When x = 1:   4x + 2y = 8
                    4(1) + 2y = 8
                        4 + 2y = 8
                      - 4          - 4
                              2y = 4
                               2     2
                                y = 2
                          (x, y) = (1, 2)

When x = 3:    4x + 2y = 8
                     4(3) + 2y = 8
                       12 + 2y = 8
                     - 12        - 12
                               2y = -4
                                2      2
                                 y = -2
                          (x, y) = (3, -2)
5 0
3 years ago
good morning yall just wanted to tell yall i love you and i hope yall had a great week and have a good weekend:)
satela [25.4K]

Answer:

so sweethope you have an amazing day as well

7 0
3 years ago
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