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Sliva [168]
3 years ago
9

Rujuan

Mathematics
1 answer:
Leona [35]3 years ago
7 0

Answer:

Sin X=Cos Y

Step-by-step explanation:

Objective: Understand trigonometric relations such that

Cosine and Sine are similar to complementary angles that if X+Y are complementary angles,

Cos X= Sin Y and Cos Y= Sin X

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2/3÷4/5 equals what ?
natka813 [3]
5/6 is the answer. :)
3 0
3 years ago
What will be the units of the square of the following <br>a - 2346<br>b - 5677​
AlladinOne [14]
<h2>Answer:</h2>

(a) 6

(b) 9

<h2>Step-by-step explanation:</h2>

The units of a whole number is the rightmost digit in the number. For example, if the number is <em>15678</em>, the units is <em>8</em> since that is the rightmost digit. Another example is <em>25795</em>. The units is <em>5.</em>

<em></em>

(a) To find the units of the square of -2346,

<em>i. First find the square of (-2346)</em>

(-2346)² = (-2346) x (-2346) = 5503716

<em>ii. Now find the rightmost digit.</em>

The rightmost digit of 5503716 is 6.

<em>Therefore, the units of the square of (-2346) is </em><em>6</em>

<em />

<em />

(b) To find the units of the square of -5677,

<em>i. First find the square of (-5677)</em>

(-5677)² = (-5677) x (-5677) = 32228329

<em>ii. Now find the rightmost digit.</em>

The rightmost digit of 32228329 is 9.

<em>Therefore, the units of the square of (-5677) is </em><em>9</em>

<em />

<em />

<em />

3 0
3 years ago
Norma bought 2 bags of marbles. There were 83 marbles in each bag. How many marbles did Norma buy?
ElenaW [278]

Answer:

166 marbles

Step-by-step explanation:

83 multiplied by 2 is 166

8 0
2 years ago
Read 2 more answers
Simplify <br> 15-1/2 (10z + 6) – 25z<br> plz hurry
kolezko [41]

Answer:

-5z -13 is answer

Step-by-step explanation:

=15+−5z+−3+−25

Combine Like Terms:

=15+−5z+−3+−25

=(−5z)+(15+−3+−25)

=−5z+−13

bye

7 0
3 years ago
Read 2 more answers
Miguel walks 3/4 mile around the hight school track in 1/2 hour how far can he walk in 2 hours
Katarina [22]
This is a very easy problem. If Migue walk 3/4 mike in 1 hour . Then to find 2 hour, you just simply have to multiply it by 2
The answer would be 3/2 or 1.5 mile
4 0
3 years ago
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