Answer:
21
*40
<u> </u>
0
+840
<u> </u>
840
105
-80
<u> </u>
40
-40
<u> </u>
0
=105
<u>8 goes into 84 ten times, 84-80 =4</u>
<u>Bring down the zero make 40 which 8 goes into five times</u>
<u></u>
Step-by-step explanation:
cant be round because there no tenths place
<h2>TRANSLATION</h2><h2>
</h2><h3>8 entra en 84 diez veces, 84-80 = 4
</h3><h3>
</h3><h3>Baje el cero, haga 40, en el que 8 entra cinco veces</h3><h3 /><h3>no puede ser redondo porque no hay décimos, asegúrese de poner los números correctos</h3>
Answer:
B.
Step-by-step explanation:

Answer:
The midpoint of points
is
.
Step-by-step explanation:
Given points are
. We need to find the midpoint of the line segment.
The formula of finding midpoints between the point
is

W have points
. And 
Let us plug the value in Equation (1)


So, the midpoint of points
is
.
A)

B)

C)

D)

You were correct, the exact answer is A. The others do not equal 23 besides that one. Good job!
Answer:
Step-by-step explanation:
<u>80 g rock displaces water:</u>
- 75 ml - 30 ml = 45 ml = 45 cm³
<u>Density = mass / volume:</u>
- d = 80 g / 45 cm³
- d = 1.78 g/cm³ (rounded)