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3 years ago

How do i solve for x in this problem the problem is x+9

Mathematics

1 answer:

-Dominant- [34]3 years ago

3 0

X+9 is the same as x+9=0. You subtract 9 from both sides to get x=-9.

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Fourteen seniors were asked how many minutes they spent on doing their homework the previous night. The data is displayed below.

Nadusha1986 [10]

Answer:

Step-by-step explanation:

We need to find the median of:-

73 75 87 65 69 62 81 64 68 101 74 71 89 87

First, we need to arrange the numbers in ascending order as below:-

62, 64, 65, 68, 69, 71, 73, 74, 75, 81, 87, 87, 89, 101

Since there are a total of 14 numbers, let's split it up into two halves (each of seven numbers)

62, 64, 65, 68, 69, 71, 73 ||| 74, 75, 81, 87, 87, 89, 101

The median would be the mean of the two middle numbers i.e. the mean of 73 and 74

Median = $\frac{73+74}{2}$

= $\frac{147}{2}$

= 73.5

So, about half of the students spent less than 73.5 minutes doing homework and about half spent more than 73.5 minutes on homework

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3 years ago

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aleksandr82 [10.1K]

The answer may be 7 or 12

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4 years ago

Angles STU and UTV combine to form right angle STV. Which expression could be used to find the measure,in degrees,of angle UTV?

Sergeu [11.5K]

STV=STU+UTV

But,
STV=90° and STU = 75°

Therefore,
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Therefore, expression A is the one that can be used to find UTV.

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3 years ago

Arc length and area

Kipish [7]

Answer:

Step-by-step explanation:

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3 years ago

Solve for x in the equation:log6-2logx=1.4

Annette [7]

9514 1404 393

Answer:

x = (√6)/10^0.7 ≈ 0.488737

Step-by-step explanation:

It can work reasonably well to take antilogs first.

$\log(6)-2\log(x)=1.4\\\\\dfrac{6}{x^2}=10^{1.4}\\\\\dfrac{6}{10^{1.4}}=x^2\\\\x=\dfrac{\sqrt{6}}{10^{0.7}}\approx0.488737$

7 0

2 years ago