Answer:
graph W
Step-by-step explanation:
Let x be the amount of cement and y be the amount of sand. If <span>the ratio of cement to sand for mortar is 1:3, then
and y=3x.
</span>
So, if <span>Sandy puts in x=7 shovels of cement, then she puts
shovels of sand.
</span><span>
</span><span>
Answer: 21 shovels of sand.
</span>
Answer:
La longitud del alambre que sostiene el poste es 8.94 metros.
Step-by-step explanation:
La longitud del alambre se puede calcular usando Pitágoras:
En donde:
L: es la longitud del alambre =?
P: es la altura del poste = 8 m
B: es la distancia del alambre al poste = 4 m
Entonces, la longitud del alambre es:
Por lo tanto, la longitud del alambre que sostiene el poste es 8.94 metros.
Espero que te sea de utilidad!
Answer:
answer is 5x - 12 - p
Step-by-step explanation:
5,610
<h3>Step by step explanation:</h3>
When rounding to the nearest ten, like we did with 5620 above, we use the following rules:
- We round the number up to the nearest ten if the last digit in the number is 5, 6, 7, 8, or 9.
- We round the number down to the nearest ten if the last digit in the number is 1, 2, 3, or 4.
- If the last digit is 0, then we do not have to do any rounding, because it is already to the ten.