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Simora [160]
3 years ago
9

Jamaal has 20 models of planes and cars. He has three times as many cars as planes. What is the ratio of his cars to total model

s?
Mathematics
1 answer:
yarga [219]3 years ago
3 0
Well... Can you tell me how many planes he has?
Also... Can you multiply the number of planes by 3?
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<img src="https://tex.z-dn.net/?f=5%20%7Bx%7D%5E%7B2%7D%20%20%2B%203%20%7Bx%7D%5E%7B2%7D%20%20%2B%206x%20%3D%203x%20-%206x%20%2B
den301095 [7]

Answer:

5 {x}^{2}  + 3 {x}^{2}  + 6x = 3x - 6x + 9x \\ 8 {x}^{2}  + 6x =  - 3x + 9x \\ 8 {x}^{2}  + 6x = 6x \\ 8 {x}^{2}  = 6x - 6x \\ 8 {x}^{2}  = 0 \\ x = 0 \\ thank \: you

5 0
3 years ago
-5y + 12 + 8y − 6 − 2 = ______ help plz
Sladkaya [172]

Answer:

(combine like terms)

-5y + 12 + 8y − 6 − 2  

3y+12-8

3y+4

3 0
3 years ago
The cube root of rvaries inversely with the square of s. Which two equations model this relationship
VARVARA [1.3K]

Answer:

3√r = k/s²

s²r^1/3 = k

Step-by-step explanation:

Cube root of r = 3√r

Square of s = s²

cube root of r varies inversely with the square of s

3√r = k/s²

Cross product

3√r * s² = k

s²r^1/3 = k

Note:

r^1/3

= 3√r

7 0
2 years ago
HELP 6TH GRADE MATH<br> Enter the phrase as an algebraic expression. The product of 54 and c
Nutka1998 [239]

Answer:

54c

Step-by-step explanation:

The word "product" means that the operation is multiplication. So the two numbers need to be multiplied. In algebra, the way you multiply a constant and a variable is simply by putting the two next to each other with no other symbol.

5 0
3 years ago
Read 2 more answers
Writing Explain how you can use an equation to make predictions about a particular relationship​
tresset_1 [31]

Answer:

the intercept of the line with the y-axis. Substitute the line's slope and intercept as "m" and "c" in the equation "y = mx + c." With this example, this produces the equation "y = 0.667x + 10.33." This equation predicts the y-value of any point on the plot from its x-value.

Step-by-step explanation:

hope it help

7 0
3 years ago
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