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morpeh [17]
3 years ago
5

Is the answer A,B,C or D.

Mathematics
1 answer:
algol133 years ago
8 0

Answer:

B= -3

Step-by-step explanation:

Thats when the graph is at it's lowest

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PLEASE HELP!!!<br> a<br> 300 cm<br> b<br> 60 cm<br> c<br> 20 cm<br> d<br> 45 cm
brilliants [131]

Answer:

45 cm

Step-by-step explanation:

Let length of the field in the drawing  = x

80 : 120 :: 30 : x

Product of extreme = Product of means

80 * x = 120 * 30

      x = \frac{120*30}{80}\\\\x = 15 * 3\\x = 45

3 0
3 years ago
A student takes an exam containing 16 true or false questions. If the student guesses, what is the probability that he will get
almond37 [142]

Answer:

0.001831055

Step-by-step explanation:

Here, n = 16, p = 0.5, (1 - p) = 0.5 and x = 14

As per binomial distribution formula P(X = x) = nCx * p^x * (1 - p)^(n - x)

We need to calculate P(X = 14)

P(x =14) = 16C14 * 0.5^14 *(1-0.5)^2

               = 120 * 0.5^14 *(1-0.5)^2

= 0.001831055

5 0
2 years ago
The temperature of a piece of metal was 32°C. It was then lowered into a glass of
Paul [167]

Answer:

12.5%

Step-by-step explanation:

Given that,

Initial temperature of a piece of metal = 32°C

Final temperature of the piece of metal = 36°С

We need to find the percentage increase in the temperature of the piece of metal.​ The percentage increase in any value is given by the relation as follows :

\%=\dfrac{|\text{final value-initial value}|}{\text{initial value}}\times 100\\\\=\dfrac{36-32}{32}\times 100\\\\=12.5\%

So, the required percentage increase in the temperature of the piece of metal is equal to 12.5%.

3 0
3 years ago
Find an answer to your question Using the triangle drawn below, determine the exact value of y. 45° trigonometry !
padilas [110]

Step-by-step explanation:

hope this helps you

thank you

3 0
2 years ago
Solve the equation by extracting square roots. <br> 3(x+2)^2=8
jasenka [17]

Answer:

47

Step-by-step explanation:

5 0
3 years ago
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