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Oksanka [162]
3 years ago
8

5. Find the value of each variable. *

Mathematics
2 answers:
slavikrds [6]3 years ago
7 0

Answer:

x=8 y=6.93

Step-by-step explanation:

since sin of an angle = opposite/hypotenuse

and tan of an angle = opposite/adjacent

Sin 30°=4/x

x=4/sin 30° = 8

Tan 30°= 4/y

y = 4/tan 30° ≈ 6.93

ohaa [14]3 years ago
7 0
X=8. And y=6.93 should be the anwser
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lorasvet [3.4K]

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y=4/5 x-3

Step-by-step explanation:

6 0
2 years ago
B) 8xy +4y² factorise
m_a_m_a [10]

Answer:

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Step-by-step explanation:

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1 year ago
Find the lateral area.<br>10 is the height.
VMariaS [17]

Answer:

The lateral surface area of a cuboid is 180 units² .

Option (c) is correct.

Step-by-step explanation:

Formula

Lateral surface area of a cuboid = 2hl + 2hb

Where h is the height , l is the length and b is the breadth.

As shown in the figure.

Length = 4 units

Breadth = 5 units

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Put in the formula

Lateral surface area of a box = 2 × 10 × 4 + 2 × 10 × 5

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Therefore the lateral area of the cuboid is 180 units² .

Option (c) is correct.

4 0
3 years ago
Estimate 58% of 121 by using 10%
kvv77 [185]
58% is about equal to 60%, 10% of 121 is 12.1.
12.1 * 6 = 72.6
To take this further, 58% is 2% less than 60%, or 2 times 1%. 1% of 121 is 1.21.
72.6  - (1.21 * 2) = 72.6 - 2.42 = 70.18
5 0
3 years ago
Y=x^4 function or not a function?
Free_Kalibri [48]

Answer:

y=x^4 is a function

Explanation:

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4 0
3 years ago
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