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Mathematics

1 answer:

tresset_1 [31]3 years ago

6 0

Answer:

Step-by-step explanation:

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Given the diagram below, what is cos(45")? 45° 6 A. √2 B. 6/√2 C. 1/√2 D. 3√2

Gnesinka [82]

C. 1/root2

Based on the information, the hypotenuse will be 6root2 because it is a 45, 45, 90 triangle. The two legs will be 6. Using SOH CAH TOA, we know that for cosine, it will be adjacent/hypotenuse. The adjacent side is 6 and the hypotenuse is 6root2. The result will be (6)/(6root2). After simplifying, we get
1/root2.

3 0

1 year ago

The temperature was 6 degrees at midday.

Georgia [21]

Answer:

2 & 3

Step-by-step explanation:

they both equal -7

the temp dropped 7 degrees

8 0

2 years ago

The area of a trapezium is 35cm2.find its altitude if the bases is 6cm and 8cm

r-ruslan [8.4K]

Answer: altitude: 5 cm

Explanation:

$\sf \dfrac{1}{2} ( a + b) h = Area \ of \ trapezium$

[ a and b are bases, h is the altitude ]

Here given:

Area = 35

a = 6

b = 8

h = ?

Solve for altitude:

$\sf \rightarrow \sf \dfrac{1}{2} ( 6 + 8) h = 35 \ \ \ \Rightarrow \ \ \ \dfrac{1}{2} ( 14) h = 35 \ \ \ \ \Rightarrow \ \ \ \ 7 h = 35 \ \ \ \ \Rightarrow \ \ h = \dfrac{35}{7} \ = \ 5$