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ivanzaharov [21]
3 years ago
11

Trigonometry

Mathematics
2 answers:
Lena [83]3 years ago
7 0
<h2><em>Answer:</em></h2>

<em>X=</em><em>6</em><em>5</em><em>.</em><em>4</em><em>°</em>

<em>solution \\ cos \: x =  \frac{5}{12}  \\ x =  {cos}^{ - 1}  \frac{5}{12}  \\ x = 65.3756 \\ x = 65.4</em>

<em>hope </em><em>this </em><em>helps.</em><em>.</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>

Wittaler [7]3 years ago
4 0

Answer:

x ≈ 65.4 °

Step-by-step explanation:

cos x = \frac{adjacent}{hypotenuse}

Cos x = \frac{5}{12}

Cos x = 0.4167

x = Cos⁻¹ (0.1467)

x ≈ 65.4 °

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A sugar box manufacturing company is accurately making 100 g packets. Suppose a business researcher randomly selects 100 boxes,
irga5000 [103]

Answer:

The kind of error the researcher has done is a;

Type I error

Step-by-step explanation:

When carrying out hypothesis testing in statistical analysis, a type I error is the type of error said to have occurred when a null hypothesis that is true or correct is rejected which is a false positive conclusion

Given that that sugar box manufacturing company makes the boxes to be 100 g accurately, and that the researcher makes non-random or randomly selects packets which are not filled, the mean of the filled packets is expected to be 100 g making the conclusion for rejection of the null hypothesis a false positive rejection

7 0
3 years ago
A company makes wax candles in the shape of a solid sphere. Suppose each candle has a diameter of 15 cm. If
jekas [21]

We have been given that a company makes wax candles in the shape of a solid sphere. Each candle has a diameter of 15 cm. We are asked to find the number of candles that company can make from 70,650 cubic cm of wax.

To solve our given problem, we will divide total volume of wax by volume of one candle.

Volume of each candle will be equal to volume of sphere.

V=\frac{4}{3}\pi r^3, where r represents radius of sphere.

We know that radius is half the diameter, so radius of each candle will be \frac{15}{2}=7.5 cm.

\text{Volume of one candle}=\frac{4}{3}\cdot 3.14\cdot (7.5\text{ cm})^3

\text{Volume of one candle}=\frac{4}{3}\cdot 3.14\cdot 421.875\text{ cm}^3

\text{Volume of one candle}=1766.25\text{ cm}^3

Now we will divide 70,650 cubic cm of wax by volume of one candle.

\text{Number of candles}=\frac{70,650\text{ cm}^3}{1766.25\text{ cm}^3}

\text{Number of candles}=\frac{70,650}{1766.25}

\text{Number of candles}=40

Therefore, 40 candles can be made from 70,650 cubic cm of wax.

8 0
3 years ago
What is 3/8 + 5/12???
ra1l [238]

the answer is 19/24

have a great day!

4 0
3 years ago
Please help with this thank you! :)
swat32

Answer:

A) Median

Step-by-step explanation:

A median joins the midpoint of a side and the opposite vertex.

8 0
3 years ago
-2, 4, 10, 16 what’s the nth term for this sequence
Natali [406]

Answer:

22

every term is being added by 6

-2 + 6 = 4

4 + 6 = 10

10 + 6 = 16

16 + 6 = 22

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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