Can someone help me on this

Mathematics

1 answer:

Anastasy [175]3 years ago

3 0

Answer:

Step-by-step explanation:

2/3 of 30 is 30(2/3) = 60/3 = 20

so 20 on the baseball team, and 1/4 of the baseball team is on the football team so

20(1/4) = 5

20 + 5 = 25 students on both football and soccer team

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the midpoint of kl is m(4.8, -7.8). one endpoint is l(0.6, -5.6). find the coordinates of the other endpoint k.

Vera_Pavlovna [14]

$\bf ~~~~~~~~~~~~\textit{middle point of 2 points }\\\\
\begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&k&(~ x &,& y~) 
% (c,d)
&l&(~ 0.6 &,& -5.6~)
\end{array}\qquad
% coordinates of midpoint 
\left(\cfrac{ x_2 + x_1}{2}\quad ,\quad \cfrac{ y_2 + y_1}{2} \right)$

$\bf \left( \cfrac{0.6+x}{2}~~,~~\cfrac{-5.6+y}{2} \right)~=~\stackrel{midpoint}{(4.8~,~-7.8)}\quad 
\begin{cases}
\cfrac{0.6+x}{2}=4.8\\\\
0.6+x=9.6\\
\boxed{x=9}\\
---------\\
\cfrac{-5.6+y}{2}=-7.8\\\\
-5.6+y=-15.6\\
\boxed{y=10}
\end{cases}$

8 0

3 years ago

If ∠A is complementary to ∠B, and ∠C is complementary to ∠B, what can you conclude about ∠A and ∠C?

Shtirlitz [24]

<h3>Answer:</h3>

∠A ≅ ∠C

<h3>Step-by-step explanation:</h3>

Angles complementary to the same angle are congruent to each other. Angles A and C are both complementary to angle B, hence they are congruent.

3 0

3 years ago

Desenhe em uma folha dois quadrados de lado 1dm. Trace uma diagonal em cada um e recorte-os

Kobotan [32]

Answer:

The given question is

<em> Draw two 1 dm squares on a sheet of paper. Draw a diagonal on each one and cut them out.</em>

<em />

So, you need to draw square with sides of 1 dm. However, first, you need to transform from dm to cm.

We know that 1 decimenter (dm) equals 10 centimeters (cm).

That means the square sides are 10 centimerers long. So, you need to draw two squares like the first image attached shows.

Then, to draw their diagonals, you need to draw a line segment from one corner to its opposite corner, you should have an inclined line acroos each square. As the second image attached shows.

There you have it. Two squares of 1 dm side with on diagonal each.