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Dahasolnce [82]
3 years ago
12

Which of the following expresses "18 minus 7, the difference of which is multiplied by 3"?

Mathematics
2 answers:
shepuryov [24]3 years ago
8 0

Answer:

33

Step-by-step explanation:

18-7=11

11*3=33

Vikentia [17]3 years ago
5 0

Answer:

33

Step-by-step explanation:

18-7=11

11*3=33

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(18)2(3)2(4)3<br> (6)2(2)3
lord [1]

Answer:

Trrvdddctcfc hfrvhjk

Step-by-step explanation:

8 0
3 years ago
Find the surface area of the pyramid. the surface area of the pyramid is __in squared.
iVinArrow [24]

Answer:

561.08in^{2}

Step-by-step explanation:

S A = lw + l \sqrt{(\frac{w}{2})^{2}  + h^{2}  } + w \sqrt{(\frac{l}{2})^{2} + h^{2}  }

SA = 14(14) + 14 \sqrt{(\frac{14}{2})^{2} + 11^{2}  }+ 14 \sqrt{(\frac{14}{2})^{2} + 11^{2}  } = 561.08in^{2}

4 0
2 years ago
HELLPP!!!!!!!!!!!!!!!!!!!!!!!!!
Genrish500 [490]

\left\{\begin{array}{ccc}2x-3y=-27&|\cdot3\\-3x+2y=23&|\cdot2\end{array}\right\\\underline{\left\{\begin{array}{ccc}6x-9y=-81\\-6x+4y=46\end{array}\right}\ \ \ \ |\text{add both sides}\\.\ \ \ \ \ \ -5y=-35\ \ \ \ \ |:(-5)\\.\ \ \ \ \ \ \ \ y=7\\\\\text{put the value of y to the first equation}\\\\2x-3(7)=-27\\\\2x-21=-27\ \ \ \ |+21\\\\2x=-6\ \ \ \ |:2\\\\x=-3\\\\\text{Answer:}\ x=-3,\ y=7\to\boxed{(-3,\ 7)}

6 0
3 years ago
Simplify to a single power of 4:<br> 4^7/4^6
Temka [501]

Step-by-step explanation:

\frac{ {4}^{7} }{ {4}^{6} }

= 4

.......

4 0
3 years ago
Read 2 more answers
Refer to a standard deck of playing cards. Assume 5 cards are randomly chosen from the deck. How many hands contain 4 aces?
Setler79 [48]

There would be 0.07923 probability to get 4 aces.

<h3>What is probability ?</h3>

Probability shows possibility to happen an event, it defines that an event will occur or not. The probability varies from 0 to 1.

Total number of cards in deck = 52

Total number of aces = 4

When 5 cards are chosen randomly,

The probability to get 4 aces

= 1/52+1/51+1/50+1/49+0

Since, at 5th time there will be no ace remains, so probability would be 0.

= 0.01923+0.01960+0.0200+0.0204

=0.07923

To know more about Probability on:

brainly.com/question/12478394

#SPJ1

7 0
1 year ago
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