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Vesnalui [34]
3 years ago
15

Help!Simplify:2[45 ÷ (11 - 8) to the 2nd power] - 3​

Mathematics
1 answer:
GenaCL600 [577]3 years ago
4 0

Answer:

The answer is 7

Step-by-step explanation:

Hope this helped :)

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Cynthia is planning a party. for entertainment, she has designed a game that involves spinning two spinners. if the sum of the n
vesna_86 [32]

<span>The correct statement of the problem is attached

</span><span>Spinner A: 4 parts, 3/4 is 1, 1/4 is 3.----------1  1  1  3  
Spinner B: 3 parts, 1/3 is 5, 1/3 is 7, 1/3 is 9--------5  7  9

</span><span>The combinations of the two spinners are
1 and 5
1 and 7
1 and 9
3 and 5
3 and 7
3 and 9

</span>cases get you thrown in the pool
1 and 5
1 and 7
3 and 5

calculation of the probabilities
1 and 5--------3/4*1/3 = 1/4
1 and 7--------3/4*1/3 = 1/4
3 and 5--------1/4*1/3 = 1/12
1/4+1/4+1/12=7/12-----------58.33%

probabilities that the guests will be thrown in the pool--------58.33%

5 0
3 years ago
Let (5,-4) be a point on the terminal side of (theta). Find the exact values of cos, csc, and tan.
Over [174]
We are given with the point (5,-4) where x is 5 and y is equal to -4. in this case, we can get the six trigonometric identities from this data. the hypotenuse is equal to sqrt 41 accrdg to pythagorean theorem.

cos theta = 5/ <span>sqrt 41
</span>csc theta = -<span>sqrt 41/ 4
</span>tan theta = -4/5

8 0
4 years ago
Rupert is copying some files from his computer to a compact disc, like the one shown above.
My name is Ann [436]

Option B: 11,304 \mathrm{mm} ^2 is the area of the compact disc.

Explanation:

The diameter of the compact disc is 120mm.

To determine the area of the compact disc, let us substitute the values in the area of the circle formula,

A=\pi r^2 where r=\frac{d}{2}

Substituting the value of d in r=\frac{d}{2}, we get,

r=\frac{120}{2} =60

Thus, r=60 and \pi=3.14. Let us substitute these values in A=\pi r^2, we get,

A=3.14\times(60)^2

Simplifying, we have,

A=3.14\times3600

Multiplying, we get,

A=11304mm^2

Thus, the area of the compact disc is 11,304 \mathrm{mm} ^2

Hence, Option B is the correct answer.

3 0
3 years ago
FREE BRAINLIEST<br> right answers only
ra1l [238]

Answer:

12x - 4.2

4.2 - (12+x)

4.2 - 12x

(12+x) - 4.2

6 0
3 years ago
Question 15 of 20
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a writer will use a for the informal language

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