Answer: a thunderstorm
Step-by-step explanation:
B/c there is more than one way to do math but if you don’t do it a specific way at a certain time then it becomes a problem.
The correct answer choices are B and C.
Here is the way these numbers would fall on a vertical number line justifying why these 2 answers are correct.
-1500 A
-1600
-1700
-1800
-1900 B
-2000
-2100
-2200
-2300 C
You can see where each of these submarines is located. 0 is sea level.
Use Desmos. It is good.
Here is the graph.
https://www.desmos.com/calculator/wq4kzps9fq
To change the color, you have to click on the line next to the formula for a long time. A window will pop up so you can change the color.
Solve for
y
y in
2
x
+
y
=
8
2x+y=8.
y
=
8
−
2
x
y=8−2x
2 Substitute
y
=
8
−
2
x
y=8−2x into
4
x
+
6
y
=
24
4x+6y=24.
−
8
x
+
48
=
24
−8x+48=24
3 Solve for
x
x in
−
8
x
+
48
=
24
−8x+48=24.
x
=
3
x=3
4 Substitute
x
=
3
x=3 into
y
=
8
−
2
x
y=8−2x.
y
=
2
y=2
5 Therefore,
x
=
3
y
=
2
x=3
y=2
look in comments to read it better but x=3 y=2 hope this helps :)
Answer:
25
Step-by-step explanation:
If all 70 were nickels, the value would be $3.50 Since that is 2.25 less, that means it needs 45 more 5 cents. Therefore, you would replace 5 of the nickels with dimes. This means there are 25 nickels and 45 dimes.