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Alinara [238K]
3 years ago
10

Please help me solve this

Mathematics
2 answers:
Thepotemich [5.8K]3 years ago
7 0

Answer:

t=3.2c

Step-by-step explanation:

Fantom [35]3 years ago
6 0

Answer:U4HTJPIOQ;UIYPOQI;JY5IOJIUUTUIA44UTUHTIU4HJFUIHU5HQWP5TJIoj8[ajhfESUFGHUPOI;ALB J'pGH[9'Hhdhbfhdhfbfgueuhrbhsrey,]po

dm y

xlrfl

Step-by-step explanation:

hgjhfkjdfmjgngntkm kjgmtmgkigkgmtntkgbkbmhgmgmfvmvmvmnvn gn

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Can two vertical angles form a linear pair?
weqwewe [10]
Adjacent Angles<span> are </span>two angles<span> that share a common vertex, a common side, and no common interior points. (They share a vertex and side, but </span>do<span> not overlap.) A </span>Linear Pair<span> is </span>two<span> adjacent</span>angles<span> whose non-common sides </span>form<span> opposite rays. ... ∠1 and ∠3 are not </span>vertical angles<span> (they are a </span>linear pair<span>).</span>
6 0
3 years ago
"How much do students pay, on average, for textbooks during the first semester in college? From a random sample of 400 students
dezoksy [38]

Answer: The margin of error = 3.71, confidence interval = (354.04, 361.46) and it means that mean cost is lies within the confidence interval.

Step-by-step explanation:

Since we have given that

Sample size = 400

Mean = $357.75

Standard deviation = $37.89

At 95% confidence level, z = 1.96

We first find the margin of error.

Margin of error is given by

z\times \dfrac{\sigma}{\sqrt{n}}\\\\=1.96\times \dfrac{37.89}{\sqrt{400}}\\\\=3.71

95% confidence interval would be

\bar{x}\pm \text{margin of error}\\\\=357.75\pm 3.71\\\\=(357.75-3.71,357.75+3.71)\\\\=(354.04,361.46)

Hence, the margin of error = 3.71, confidence interval = (354.04, 361.46) and it means that mean cost is lies within the confidence interval.

7 0
3 years ago
A bank security camera is mounted on a wall. The camera is set at an angle of depression of 19 degrees so that it is focused on
777dan777 [17]

Answer:

8.95feet

Step-by-step explanation:

The set up is a right angled triangle where;

The camera's horizontal distance from the focus point = 26feet = Adjacent;

The height of the camera above the floor = Opposite = x

Angle of elevation = 19°

According to TOA in trig identity;

Tan theta = opp/adj

Tan 19 = x/26

x = 26tan 19

x = 26(0.3443)

X = 8.95feet

Hence the camera is placed at a height of 8.95feet above the floor

7 0
2 years ago
GARDENING Jane needs to buy mulch
PSYCHO15rus [73]

Answer:

I suggest you use Socratic, it solves questions like this.

Step-by-step explanation:

7 0
2 years ago
What is the answer to 2/9 x 2 9/10
Minchanka [31]
The answer to your problem is 58/90
7 0
3 years ago
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