The answer is 23.
Good luck :)
Answer:
y is equal to -1
x is equal to 4
Step-by-step explanation:
The first thing you would do is multiply the bottom equation by a negative 3. You will get - 6x - 9y = -15. Keep the top equation the same. Both of the 6x's cancel. You then get -11y = 11 so y is equal to negative 1.
Since you have Y, you can now plug that in to any equation to find the value of x. -6x - 2(-1) = 26. You're left with 4. Plug both of the values into each equation to double check.
If your question is asking for the height of the 3D figure when the volume is 18 cubic in. and its dimensions are 4 in., and 1/2 in., the height is 9 inches.
Step-by-step explanation:
It's answer is x_> -27 by using inequality rule
Answer:
28
Step-by-step explanation:
Here is the complete question used in answering this question :
Three-fourths of the boats in the marina are white. 4/7 of the remaining boats are blue , and the rest are red . If there are 9red boats, how many boats are in the marina?
We first have to determine the fraction of the boats that are red
1 - (
+
)
1 - ![\frac{21 + 16}{28}](https://tex.z-dn.net/?f=%5Cfrac%7B21%20%2B%2016%7D%7B28%7D)
1 - ![\frac{37}{28}](https://tex.z-dn.net/?f=%5Cfrac%7B37%7D%7B28%7D)
1 - 1![\frac{9}{28}](https://tex.z-dn.net/?f=%5Cfrac%7B9%7D%7B28%7D)
= 9/28
so, 9/28 of the boats are red
let b represent the total number of boats
9/28 x b = 9
to find b, divide both sides of the equation by 28/9
b = 28