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Sphinxa [80]
3 years ago
6

Laura is working on an art project she needs a rusty iron nail for her art work so she places a shiny new nail outside in it wet

locations how will the air and water change the nail
Mathematics
2 answers:
posledela3 years ago
6 0
It will make a chemical change that will make the iron rust in contact with oxygen and water.
Katarina [22]3 years ago
5 0
Water is something that leads things to rust. Exposure to air also leads things to rust. Exposure to both of them will completely rust the nail if given time. 
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3
ASHA 777 [7]

Answer:

A. hundreds

B. ones

C.. tens

D. tens

E. 10,000

F. ones

7 0
3 years ago
Read 2 more answers
A supermarket had bags of red grapes for $13.00 for 5 bags. They also had bags of green grapes priced at $5.08 for 2 bags. Which
Sedbober [7]

Answer:

Red grapes.

Step-by-step explanation:

If you find how much one bag of each grape cost which is:

$13.00 ÷ 5 = 2.60 (1 bag of red grapes)

$5.08 ÷ 2 = $2.54 (1 bag of green grapes)

See the price and you'll know it is red grapes.

5 0
2 years ago
So sorry but can you answer this question gonna pull my hair out
Dmitriy789 [7]
4 × 1 × 3 = 12
2 × 1 × 3 = 6
12 + 6 = 18 cubic ft
6 0
3 years ago
M(d)=-0.123x^2+148.83x-21.07<br> When will it reach maximum height of 45000 feet
Setler [38]

Answer: time to reach maximum height = 605

Step-by-step explanation:

The expression that relates height with time is

M(d)=-0.123x^2+148.83x-21.07

Where time = x

d = height

The expression is a quadratic equation. If height of the object is plotted against time, the resulting graph is a parabola whose vertex is equal to the maximum height attained by the object. The time, x corresponding to the vertex is the time for it to reach maximum height.

To find x,

x = -b/2a

Where a= 0.123

b = 148.83

x = - 148.83 / -2 × -0.123

x = -148.83 / -0.246

= 605

Substituting x = 605 in the equation,

M(d)=-0.123x^2+148.83x-21.07

d = -0.123 × 605^2 + 148.83×605

= - 45021.075+ 90042.15

= 45020.4

Approximately 45000 feet

6 0
3 years ago
observa con atencion los siguientes desarrollos planos y encierra con cual de ellos se puede armar cada cuerpo uno de ellos tien
Viefleur [7K]

Answer:

Can you give it in a english

Step-by-step explanation:

7 0
3 years ago
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