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Snezhnost [94]
2 years ago
6

a bird of species a when diving can travel four times as fast as a bird of species b top speed if the total speeds of these two

birds is 180 miles per hour find the fastest speed of the bird species a and the fastest speed of species B
Mathematics
1 answer:
weeeeeb [17]2 years ago
4 0
X will be the speed of species b and 4x will be the speed of species a:

x + 4x = 180
5x = 180
x = 180 / 5
x = 36 m/h

If species b has a speed of 36 m/h, the speed of species a is 4 times that:

4 x 36 = 144 m/h.


Answer:

\boxed {\bf A~=~36~m/h~and~B~=~144~m/h}


Hope it helped,

Happy homework/ study/ exam!
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Sophia throws a 6-sided die with faces numbered 1 through 6. Find the probability of each. Write your answer as a fraction. plz
almond37 [142]

Answer:

each side is just 1/6

Step-by-step explanation:

you have a one in six chance of getting each side as there are a total of 6 sides, and 1 of each number

5 0
3 years ago
Help and i will give 5 stars and follow
Rus_ich [418]

Answer:

a. 2

b. 2(9+5) = 28

Step-by-step explanation:

18 = 3 × 3 × 2

or (3 power 2 × 2)

10=2×5

a . GCF = 2

b. factor out 2 out of both 10 and 18 which their sum is 28 and write every thing that is left in the prantheses .

4 0
3 years ago
What is the value of x to the nearest tenth? <br> A) 3.3<br> B) 9.5<br> C) 8.0<br> D) 4.7
Alisiya [41]

Answer:

D) 4.7

Step-by-step explanation:

this perpendicular connection with the circle center cuts this intersecting line in half, which is therefore on both sides of x 6.5 long.

I assume 16 is the diameter, so the radius is 8.

therefore, x is one side of the right-angled triangle of

radius

x

half of the intersecting line

Pythagoras

8² = x² + (6.5)²

64 = x² + 42.25

21.75 = x²

x = 4.7

6 0
2 years ago
Suppose a shipment of 120 electronic components contains 3 defective components. to determine whether the shipment should be​ ac
Likurg_2 [28]

For this problem, the most accurate is to use combinations


Because the order in which it was selected in the components does not matter to us, we use combinations

Then the combinations are nC_r = \frac{ n! }{r! (n-r)!}

n represents the amount of things you can choose and choose r from them


You need the probability that the 3 selected components at least one are defective.

That is the same as:

(1 - probability that no component of the selection is defective).

The probability that none of the 3 selected components are defective is:

P = \frac{_{117}C_3}{_{120}C_3}


Where _{117}C_3 is the number of ways to select 3 non-defective components from 117 non-defective components and _{120}C_3 is the number of ways to select 3 components from 120.

_{117}C_3 = 260130

_{120}C_3 = 280840


So:

P = \frac{260130}{280840} = 0.927


Finally, the probability that at least one of the selected components is defective is:


P = 1-0.927 = 0.0737

  P = 7.4%

3 0
3 years ago
Given: ∠KJL and ∠KML intercept arc KL. Prove: m∠KJL = m∠KML
Marizza181 [45]
I think it proved by the arc intercepting kl making it an interior alternate angle which means it equal to each other
 
7 0
3 years ago
Read 2 more answers
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