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3 years ago

What is the answer? Please

Mathematics

1 answer:

NikAS [45]3 years ago

6 0

I’m not sure but is it 7/10 since out of 10 times she hit an ace 7 times already so there is a 7/10 chance she would hit another ace

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Mrs Ross class has 24 students. 2/3 of her students have brown hair. The rest have blonde hair. How many students have brown hai

SOVA2 [1]

16 brown hair students Eight blonde hair students

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3 years ago

Read 2 more answers

In the month of June, the temperature in Johannesburg, South Africa, varies over the day in a periodic way that can be modeled a

Art [367]

Answer:

The answer is " $\bold{T = - 7.5 \cos \frac{\pi}{12}( t - 4 )+ 10.5}$ "

Step-by-step explanation:

Given value:

Temp-maximum= $18^{\circ}$

Temp. minimum = $3^{\circ}$

It is halfway between 10 am and 10 pm to 4 am.

The sinus and cosine roles could be used throughout the year to predict fluctuations in climate models. Its type of formula that can be used to model such information is:

$T = A \cos B(t-C) + D,$ where parameters are A, B , C, D, T is the ° C temperature and t is the time (1-24)

$A = amplitude = \frac{(T_{max} - T_{min})}{2}\\\\$

$= \frac{(3 - 18)}{2}\\\\= - \frac{15}{2}\\\\ = -7.5$

$B = \frac{2 \pi}{24}\\\\$

$= \frac{\pi}{12}$

$C = \text{ units translated to the right}= 4$

$D = y_{min} + amplitude = units \ translated \ up\\\\$

D = 7.5 + 3 = 10.5

Its trigonometric function equation that model temperature T hours after midnight in Johannesburg t.

$T = - 7.5 \cos \frac{\pi}{12}( t - 4 )+ 10.5$

6 0

3 years ago

These are the values in Min-Su’s data set.

Ber [7]

The answer is (4,5) (5,-5) (6,-4) (7,3) (8,1).

3 0

3 years ago

amber has 4 peices of fruit 2 of the peices of fruit are bannanas right 2 fractions that discribe th fraction of fruit that are

Sedbober [7]

Total pieces of fruit = 4
Pieces of bananas = 2

Fraction of bananas = 2/4 = 1/2

Answer: 1/2

8 0

3 years ago

Read 2 more answers

3 Equivalent Fractions<br> Complete the equivalent fraction.<br> 2_<br> 1

lara [203]

Answer: if you mean 2/1 the answer would be 4/2, 6/3 and 8/4 if you mean 1/2 the answer would be 2/4,3/6 and 4/8 good luck!

Step-by-step explanation:

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3 years ago