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Anon25 [30]
3 years ago
6

To 3 d.p.

Mathematics
1 answer:
BartSMP [9]3 years ago
7 0

Answer:

12 cm (I don't understand bro):(

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One of the zookeepers solved to find Bernard’s speed when he is healthy using the equation:
MrRissso [65]

Answer:

Both the zoo-keepers are correct.

Step-by-step explanation:

The first zoo keeper uses the equation:

x - 41.5 = 13.5

⇒ x = 13.5 + 14. 5 = 55

Now, the second zoo- keeper uses the equation:

41.5 + 13.5 = x

⇒ x = 55

Both use x = 55.

4 0
3 years ago
Read 2 more answers
Suppose that x and y vary inversely and x = 1 when y =5. Write a function that models the inverse variation Graph the function a
Vaselesa [24]
The answer is a function
3 0
3 years ago
X-3/4 = 2x-9/7<br><br> Please answer it I’ll mark your answer as BRAINLIEST
lidiya [134]
<h3><u>Answer</u> :</h3>

:\implies\sf\:x-\dfrac{3}{4}=2x-\dfrac{9}{7}

:\implies\sf\:\dfrac{9}{7}-\dfrac{3}{4}=2x-x

:\implies\sf\:\dfrac{36-21}{28}=x

:\implies\boxed{\bf{\red{x=\dfrac{15}{28}}}}

7 0
3 years ago
Read 2 more answers
Cosx=4/5 what is sin2x cos2x and tan2x
earnstyle [38]

Answer:

-24/5

Step-by-step explanation:

The solution to the problem is as follows:

cscx < 0 means 1/sinx < 0, or sinx < 0.  

sinx = -3/5 because you're dealing with a 3-4-5 triangle, and we established

sinx is negative.  

sin2x = 2sinxcosx = 2*-3/5*4/5 = -24/25  

cos(2x) = cos^2(x) - sin^2(x) = 16/25 - 9/25 = 5/25 = 1/5  

tan2x = sin2x / cos2x = -24/5

4 0
3 years ago
Ben claims that 12 is a factor of 24.how can you check whether he is correct?
Anna71 [15]

Divide the  24  by Ben's  12 . 

If his  12  is a factor, then the division will come out even,
and the answer will be a whole number.

A).  6 x 4 = 24

B).  5 x 9 = 45

C).  3 x 8 = 24

D).  6 x 9 = 54

8 0
3 years ago
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