Please help asap i will mark branlist promise

Mathematics

1 answer:

Alika [10]4 years ago

6 0

Answer: A Subtract 87 from 271 and then divide the difference by 5.75

Step-by-step explanation: You know that the total amount he had was 271 dollars and that he already had 87 dollars

so first subtract 87 by 271 to get the amount earned in the two weeks

then divide by 5.75 to find the number of hours

hope this helps mark me brainliest if it helped

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Medians $\overline{dp}$ and $\overline{eq}$ of $\triangle def$ are perpendicular. if $dp= 18$ and $eq = 24$, then what is ${de}$

monitta

Denote by M the point of intersection of the medians.
Denote also the distance DM by x and the distance QM by y.
From the median properties of triangles we know that
$y=\frac{1}{3}\timesFQ=\frac{1}{3}\times24=8$
Also,
$x=\frac{2}{3}\times DP=\frac{2}{3}\times 18=12$
Since the medians are perpendicular, we deduce that:
$x^2+y^2=DQ^2\iff DQ=\sqrt{8^2+12^2}=14.4$
Then, since $DE=2\times DQ\text{ then }DE=2\times 14.4=28.8$