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igomit [66]
3 years ago
13

In the triangle below, what is cos B?

Mathematics
2 answers:
Kruka [31]3 years ago
7 0
Cos B = c/a

cosine is adjacent over hypotenuse.


there is an acronym for this: soh-cah-toa

soh: sine is opposite over hypotenuse
cah: cosine is adjacent over hypotenuse
toa: tangent is opposite over adjacent
MAXImum [283]3 years ago
6 0

Answer:

\text{cos}(B)=\frac{c}{a}

Step-by-step explanation:

We have been given a triangle. We are asked to find \text{cos}(B).

We know that cosine relates adjacent side of a right triangle to its hypotenuse.

\text{cos}=\frac{\text{Adjacent}}{\text{Hypotenuse}}

We can see that side AB is adjacent side and CB is hypotenuse of our given right triangle.

\text{cos}(B)=\frac{AB}{CB}

\text{cos}(B)=\frac{c}{a}

Therefore, our required value is \text{cos}(B)=\frac{c}{a}

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FInd the volume of the square pyramid shown round to the nearest tenth if necessary 11cm 11cm 15cm
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Volume = 1/3 * area of base * height

=1/3 * 11^2 * 15

=   605 cm^3 Answer
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3 years ago
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Use the drop downs to determine which symbols would complete the inequality for the range.
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Answer:

(a) it is less then

(b) it is greater then

Step-by-step explanation:

it those because that the right answer

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2 years ago
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The two-way table below describes the quality of sweatshirts and T-shirts screen printed at a local store.
zhuklara [117]

Answer:

There is an association because the relative frequencies by row are different.

Step-by-step explanation:

The relative frequencies by row are:

90 perfect t-shirts out of 90+6=96 t-shirts is:

90/96 = 0.9375

6 flawed t-shirts out of 96 t-shirts is:

6/96 = 0.0625

40 perfect sweatshirts out of 40+10=50 sweatshirts is:

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10 flawed sweatshirts out of 50 sweatshirts is:

10/50 = 0.2

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4 0
3 years ago
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A yard is approximately 5.68 x 10-4 miles. How is this number expressed in standard decimal notation?
belka [17]

Answer:

C: 0.000568 miles

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Essentially, the exponent on the 10 is how many places to move the decimal point, and negative versus positive dictates whether to move it right or left respectively.

4 0
3 years ago
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A
kykrilka [37]

Answer:

One possible answer would be they sold 80 student tickets and 30 adult tickets

Step-by-step explanation:

set up two inequalities, one to show number of tickets that can be sold, and the other is how much money they need to make

5x+10y G than or =  700

x+y L than or = 110

The first inequality shows that each student (x) ticket sells for $5, and each adult (y) ticket sells for $10, and the amound has to be greater or equal to 700.

The second inequality shows that both student and adult tickets sold have to be less than or equal to 110.

First find either x or y, in this case finding y was easier

y is g than or = to 30

This means that they sold at least 30 adult tickets= $300

With y, plug into the inequality x+y L than or = to 110 to find x

x is less than or = to 80

This means that they sold at most 80 student tickets = $400

Hope this helps!

8 0
2 years ago
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