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seraphim [82]
4 years ago
15

Is -4/5 rational or irrational ? Why ?

Mathematics
1 answer:
Sav [38]4 years ago
6 0
Rational bc anything that can be change into a fraction or decimal its rational and it doesnt matter on the negative
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Please help me solve this !!
mixas84 [53]

Answer:

B) 6.68

Step-by-step explanation:

Use Cosine.

Cosine= Adjacent ÷ Hypotenuse

In this case the base you want to find is adjacent to the angle, 42°. Hence,

Cos (42)= adjacent ÷ hypotenuse

Cos (42) = x ÷ 9

x = Cos (42) × 9. Input that into your calculator.

x= 6.68

To remember the trigonometric ratios/formulas

Use the acronym, SOHCAHTOA

Hope this helps!!!!

5 0
3 years ago
Read 2 more answers
Which algebraic expression represents this phrase? the product of 67 and the number of we
Dmitriy789 [7]

the product = multiply

If is the product of 67 and the number of we, then your answer is 67 · we.

If is the product of 67 and the number of weks, then your answer is 67 · weks.

4 0
4 years ago
What is 22,119 rounded to the nearest throusand place
adoni [48]

Answer:

22,000

Step-by-step explanation:

When you are rounding, anything from 1-4 you round down, and any number 5-9 you round up. So, in this case the middle would be 500, but since the number is 119, it is 22,000.

4 0
3 years ago
Read 2 more answers
Sebuah benda bergerak lurus dengan kecepatan 4km/jam selama 1 jam pertama.Pada jam kedua kecepatan dikurangi menjadi setengahnya
never [62]
A = 4 km/jam
r = 1/2
jarak terjauh
s = a/(1 - r)
s = 4/(1 - 1/2)
<span>s = 8 km</span>
3 0
3 years ago
What is the answer to this question
Ket [755]
What is the answer?
who knows......
the answer is Jesus the answer is always Jesus
8 0
3 years ago
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