Arctan(3.4) ≈ 73.6°. You can view the 3.4 as the slope of a line. Then it is clear the the 52.9 and 99.8 can't be right. If you have to do this without a calculator, it can be quite tricky...
Answer: 33 math problems.
Step-by-step explanation:
Let x = Number of math problems
y= Number of history problems
According to the question , we have

We can rewrite (i) as
(iii)
Now, subtract (iii) from (ii), we get

Put this in (i), we get

Hence, you have to complete 33 math problems.
Answer:
4y-x
Step-by-step explanation:
Combine like-terms.
6y-2y and -3x+2x
Do the Math
4y and -x
4y-x
<em>The</em><em> </em><em>length</em><em> </em><em>is</em><em> </em><em><u>1</u></em><em><u>5</u></em><em><u> </u></em><em>metres</em><em>,</em><em>the</em><em> </em><em>width</em><em> </em><em>is</em><em> </em><em><u>9</u></em><em><u> </u></em><em><u>m</u></em><em><u>,</u></em><em><u>and</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>area</u></em><em><u> </u></em><em>is</em><em> </em><em><u>1</u></em><em><u>3</u></em><em><u>5</u></em><em><u> </u></em><em>m</em>
<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em>
Answer:
11.333333333333 (repeated)
Step-by-step explanation:
1.5 and 10 are like terms, so you need to put them together and keep x on one side by itself. This means that you need to subtract 1.5. The new equation will be .75x = 8.5. Then, you divide by .75. This will then give you the final result, x = 11.3 repeated