85 points, please answer ASAP question below, my brain is hating me today, I feel like this is easy but I just can't get it

Mathematics

2 answers:

san4es73 [151]3 years ago

5 0

Answer:

Step-by-step explanation:

420 - 45 = 375

375 / 15 = 25

Mice21 [21]3 years ago

4 0

Answer:

25 pages

Step-by-step explanation:

To start, you need to subtract the pages he's already read.

420 - 45 = 375

He'd have 375 pages left to read

If you equally distribute the number of pages left (375) by the number of days (15) you come across this:

375 ÷ 15 = 25

He'd have to read 25 pages a day.

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Find the coordinates of the midpoint of the line segment ab,where a and b have coordinates a(8.0),b(4.6)

umka2103 [35]

$\bf \textit{middle point of 2 points }\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ 8}}\quad ,&{{ 0}})\quad 
% (c,d)
&({{ 4}}\quad ,&{{ 6}})
\end{array}\qquad
% coordinates of midpoint 
\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)
\\\\\\
\left( \cfrac{4+8}{2}~~,~~\cfrac{6+0}{2} \right)\implies (6~~,~~3)$