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DaniilM [7]
3 years ago
6

Need help with 3&4 pls

Mathematics
1 answer:
expeople1 [14]3 years ago
7 0
3a- 10° 3b- 55°
4a- 135° 4b- 45°

Complementary angles add up to 90°
Supplementary angles add up to 180°
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21/5 as a whole number
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4.2 is the answer of this question you are asking ✌️
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Prove that sin30/cos30+sin60/cos60=sin90​
vovikov84 [41]

Step-by-step explanation:

If you like my answer than please mark me brainliest thanks

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Anyone know the mean.median.and mode of <br> 7,5,0,2,6,4,2
kenny6666 [7]
First put in ascending order.
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7 0
4 years ago
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Which is a factor pair of 72?<br><br>A) 12,6<br><br>B) 14,5<br><br>C)23,4<br><br>D)24,2<br>​
scoundrel [369]

Answer:

the answer is A) 12,6. .

Step-by-step explanation:

.

6 0
3 years ago
Please help me with this math question I really need help ;/. I'll give brainliest if u help.
Darya [45]

Step-by-step explanation: You have to substitute the numbers in for x & y

(0, -5): YES

3x - 4y - 8 = 12

3(0) - 4(-5) - 8 = 12

0 + 20 - 8 = 12

20 - 8 = 12

12 = 12


(4, -2): YES

3x - 4y - 8 = 12

3(4) - 4(-2) - 8 = 12

12 + 8 - 8 = 12

20 - 8 = 12

12 = 12


(8, 2): NO

3x - 4y - 8 = 12

3(8) - 4(2) = 12

24 - 8 = 12

16 = 12


(-16, -17): YES

3x - 4y - 8 = 12

3(-16) - 4(-17) - 8 = 12

-48 + 68 - 8 = 12

20 - 8 = 12

12 = 12


(-1, -8): NO

3x - 4y - 8 = 12

3(-1) - 4(-8) = 12

-3 + 32 = 12

29 = 12


(-40, -34): NO

3x - 4y - 8 = 12

3(-40) - 4(-34) - 8 = 12

-120 + 136 - 8 = 12

16 - 8 = 12

8 = 12


Hope this help you!!! :)

7 0
3 years ago
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