![\sf \dashrightarrow \: - \frac{2}{5} - ( - \frac{3}{10} ) - ( - \frac{4}{7} )](https://tex.z-dn.net/?f=%20%5Csf%20%5Cdashrightarrow%20%5C%3A%20%20-%20%20%5Cfrac%7B2%7D%7B5%7D%20%20-%20%28%20-%20%20%5Cfrac%7B3%7D%7B10%7D%20%29%20-%20%28%20-%20%20%5Cfrac%7B4%7D%7B7%7D%20%29)
When there is a - in front of an expression in parentheses, change the sign of each term in the expression to +
![\sf \dashrightarrow \: - \frac{2}{5} + \frac{3}{10} + \frac{4}{7}](https://tex.z-dn.net/?f=%20%5Csf%20%5Cdashrightarrow%20%5C%3A%20%20-%20%20%5Cfrac%7B2%7D%7B5%7D%20%20%20%20%2B%20%5Cfrac%7B3%7D%7B10%7D%20%20%2B%20%20%5Cfrac%7B4%7D%7B7%7D%20)
Calculate the LCM of denominators
![\sf\frac{ - 28 + 21 + 40}{70}](https://tex.z-dn.net/?f=%20%20%5Csf%5Cfrac%7B%20-%2028%20%2B%2021%20%2B%2040%7D%7B70%7D%20)
Calculate the difference
![\bf \underline{ \underline \frac{33}{70} }](https://tex.z-dn.net/?f=%20%5Cbf%20%5Cunderline%7B%20%5Cunderline%20%5Cfrac%7B33%7D%7B70%7D%20%7D)
Answer:
Ellie needs 1.2 or 1 1/5 cups of flour (as 2/10 simplifies to 1/5).
Please mark me brainliest if this helped!
<span>The
definition of "measurement" (noun) is the use of numbers, dimensions,
quantity, or capacity as ascertained by comparison with a standard. It
can also refer to the act of measuring, which is a verb.
</span>
Answer:
log (8)
Step-by-step explanation:
Answer:
what is it man
Step-by-step explanation:
im sure u solved it by now