Would you go and answer my question? I am stuck on trying to find the fourth term of (a-b^2)^5
Answer:
x = 38
Step-by-step explanation:
it is a 90 degree angle, so x + 52 = 90
x = 90 - 52
x = 38
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Answer:
22 and a half weeks
Step-by-step explanation:
We are told that Nilda owes $250 and has been earning $25 per week to catch up and start saving.
Also, Karla has saved $200 and has been saving an extra $5 per week to slowly build her savings.
Let the number of weeks they save for be represented as x.
Therefore, for them to have the same amount of money after x weeks,
25x - 250 = 200 + 5x
The left hand side represents Nilda's situation (250 is being deducted because she owes $250) while the right hand side represents Karla's situation (the 200 is added because she already owns $200).
Solving for x:
25x - 250 = 200 + 5x
Collecting like terms:
25x - 5x = 250 + 200
20x = 450
x = 450 / 20 = 22.5 weeks
Hence, they would both need to save for 22 and a half weeks to have the same amount of money.
Answer:
<em>x = 40</em>
Step-by-step explanation:
<u>Lines and Angles</u>
The image shows the shape of a triangle, whose base is extended to form a linear pair of angles.
Recall that two linear angles add up to 180°, this forms the equation:
x + 4x - 20 = 180
Simplifying:
5x = 180 + 20 = 200
x = 200/5 = 40
x = 40
