From the problem we know that Hanna saves one-half of her paycheck each week, so she saves
. Also, we know that her parents put $50 in her savings account each week, so the total amount she and her parents put in her saving's account is
.
Since we know that Hanna currently has <span>$1,280 in her saving's account and each week she and her parents deposit $130 to the account, with </span>
representing the number of weeks, we can model the situation as follows:
Answer:?
Step-by-step explanation:
Answer:
x=66
Step-by-step explanation:
2×x-2=x+64
2x-2=x+64
2x-x=64+2
x=66
<h3>GỌI CẠNH</h3><h3>ngắn: x, x>0</h3><h3>DÀI: X+ 30</h3><h3>ĐƯỜNG CHÉO
</h3><h3>
=X+60</h3><h3>
=
</h3><h3>
</h3><h3>
</h3><h3>
</h3><h3>
</h3><h3>
</h3><h3>suy ra</h3><h3>x =9 0</h3><h3>nên</h3><h3>ngắn =90m</h3><h3>dài=120m</h3><h3>ĐƯỜNG CHÉO:
=150</h3><h3 />
Answer:
Cos C = adjecent/hypotenuse
Cos C = 14/50
divide the numerator and the denominator by 2
Cos C = 7/25
The answer is C