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Ket [755]
3 years ago
7

8x-4+6x+15 Msjdndhenebdisnhsjs

Mathematics
1 answer:
quester [9]3 years ago
8 0

2x+11

Step-by-step explanation:

8x-4+6x+15=

8x-6x-4+15+=

2x+11

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Rewrite the following equation in standard form. -5/6x - 2/5y = 10/3​
notsponge [240]

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the answer would be 25x+12y= -100

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3 years ago
The expression equals ___ ?
attashe74 [19]

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v to the power of 6

Step-by-step explanation:

3 0
3 years ago
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What is 48,100,000,000,000 in scientific notation? 4.81×10−11 4.81×10−13 4.81×1011 4.81×1013
SSSSS [86.1K]
Given number is 4,8100,000,000,000. 

In this number of zero is 11. So we can write it as 481 * 10^{11}

But for scientific notation we will enter decimal after two place in reverse direction.For this we will also multiply number by 10^2.

So number will be 4.81 * 10^{11} *10^2 = 4.81 * 10^{13}

So fourth option is correct.


4 0
3 years ago
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Mandy has 50 yards of fabric to make costumes for a play. She makes 12 skirts that take 3 yards each, and 9 hats that take 1 yar
Otrada [13]
50 yards. You are going to be taking away from that 50, so "50 -" should be part of the expression. This eliminates C.

12 skirts that take 3 yards each means 3 yards * 12 skirts which is 3 * 12. This is being subtracted from 50.
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Our expression will look like this: 50 - 12 * 3 - 9 * 1
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6 0
4 years ago
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A drunk person is walking on the road. With probability 0.6 he takes a step forward and with probability 0.4 he takes a step bac
Molodets [167]

If a person after 10 steps is at his starting position, then this person takes 5 steps forward and 5 steps backward.

This is a binomial distribution with

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  • n=10.

Then

Pr(\text{5 steps forward and 5 steps backward})=C_{10}^5p^5q^5=\\ \\=\dfrac{10!}{5!(10-5)!}\cdot (0.6)^5\cdot (0.4)^5=\dfrac{10!}{5!\cdot 5!}\cdot (0.6\cdot 0.4)^5=\\ \\=\dfrac{5!\cdot 6\cdot 7\cdot 8\cdot 9\cdot 10}{5!\cdot 2\cdot 3\cdot 4\cdot 5}\cdot (0.24)^5=7\cdot2\cdot 9\cdot 2\cdot (0.24)^5=252\cdot (0.24)^5=0.2006581248.

Answer: 252\cdot (0.24)^5=0.2006581248.

6 0
3 years ago
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