Answer:
-4a -14
Step-by-step explanation:
2* (-2a-7)
Distribute
2(-2a) - 2(7)
-4a -14
Answer:
Let's simplify step-by-step.
0.8x+19−0.7x
=0.8x+19+−0.7x
Combine Like Terms:
=0.8x+19+−0.7x
=(0.8x+−0.7x)+(19)
=0.1x+19
Answer:
=0.1x+19
Step-by-step explanation:
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Answer:

Step-by-step explanation:
Tan θ =
= 
So, Perpendicular = b, base = a
<em><u>Finding hypotenuse by Pythagorean Theorem:</u></em>

=> So, <u><em>hypotenuse = c</em></u>
Sin θ = 
Cos θ = 
So, <u><em>Now finding </em></u>
=>
÷ 
=>
÷ 
=> 
=> 
The answer is: No ,you can calculate : 450X10=4500
What grade is this ???????????