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mr Goodwill [35]
3 years ago
14

While chasing its prey, a cheetah is running slowly and then increases its speed by 50.6 miles per hour to reach a top speed of

70 miles per hour. What is the cheetah's initial speed? And what is the answer in miles per hour
Mathematics
1 answer:
shusha [124]3 years ago
3 0

Answer:

The Cheetah's initial speed is 19.4 miles per hour

Step-by-step explanation:

Since the Cheetah is initially running and then gradually increases its speed by 50.6 miles per hour to reach a top speed of 70 miles per hour, let the Cheetah's initial speed be u.

Also, let the increase in the Cheetah's speed be Δu and let v be the Cheetah's final speed.

Now, the final speed, v = initial speed, u + change in speed, Δu

So, v = u + Δu

So, the Cheetah's initial speed is u = v - Δu

Now, v = 70 mi/h and Δu = 50.6 mi/h

Substituting v and Δu into the equation, we have

u = v - Δu

u = 70 mi/h - 50.6 mi/h

u = 19.4 mi/h

So, the Cheetah's initial speed is 19.4 miles per hour

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lawyer [7]

Answer:

a) The equation of V and W

         V = k W

b) The value of  V = 666.6

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that V is inversely proportional to W

                       V∝ W

               ⇒      V = k W

              ⇒      40 = k (0.9)

              ⇒     k = \frac{40}{0.9} = 44.44

<u><em>Step(ii):-</em></u>

Given that W = 15  and k = 44.44

we have to find the value is 'V'

                       V = k W

            ⇒       V = 44.44 × 15

           ⇒        V = 666.6

           

3 0
2 years ago
Given the Standard Form equation y - 6x = 4
malfutka [58]

Answer: <u>6 is the slope and 4 is the y-intercept.</u>

Step-by-step explanation:

Based on the question, I feel this is the best way to answer your question.  I'm assuming you are in a basic graphing class.

The best, most useful thing for you right now would be to learn slope-intercept form, y = mx + b, where m and b are constants.

Simply add 6x to both sides to get into this form

y = 6x + 4.

In slope-intercept form, m is the slope, and b is the y-intercept.  Thus, 6 is the slope and 4 is the y-intercept.

Hope it helps and lmk if you need more <3 :)

7 0
2 years ago
Tori bought 24 candy bars for 69 cents each. She used partial products to find the total cost in cents. Which are NOT possible p
rewona [7]

Answer:

B. 36 C. 180 D. 240 E. 1,656

Step-by-step explanation:

Partial product is the multiplication of individual digit of a number in turn with each digit of the others where each digit maintains its place.

Using distributive property to multiply 24 × 69 to determine our partial products:

i.e.

24 × 69 = 24 × (60 + 9)

= (24 × 60) + (24 × 9)

= 60 (20 + 4) + 9(20 + 4)

So; we can have:

= (60 × 20) + (60 × 4) + (9 × 20) + (9 × 4)

= 1200 + 240 + 180 + 36  

= 1656

6 0
3 years ago
PLS HELP DUE IN 1 HOUR <br><br> write the expression using positive exponents <br> 1/3^-5
drek231 [11]
<h3>Answer:   3^5</h3>

Explanation:

The rule used is \left(\frac{a}{b}\right)^{-c}  = \left(\frac{b}{a}\right)^{c}

That rule says to go from a negative exponent to a positive exponent, we apply the reciprocal of the fraction.

So,

\left(\frac{1}{3}\right)^{-5} = \left(\frac{3}{1}\right)^{5} = 3^5

4 0
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bagirrra123 [75]
1) 300miles X $0.20 = $60

2) $50 + $60 = $110

They spent $110 for the car.
6 0
3 years ago
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