Answer:
6x
Step-by-step explanation:
7x - x
6x
Answer:.
75(b - 4) = 450
Step-by-step explanation:
Given that :
Total amount to spend on books = 450
Total number of books = b
Cost per book = 75
Number of free books = 4
Hence, the number of books sabah will have to pay for will be :
Total Number of books - number of free books
b - 4
Cost of books purchased will be ;
Cost per book * number of books ;
75 * (b - 4)
Total cost = 450
Hence, we have ;
75(b - 4) = 450
This was the value I obtained
Jane bought a fish for 3.025 pounds, but her mother bought a fish for 4.251 pounds. who's fish is lighter? by how much?
or when you do the problem for the answer:
Marissa ran for 4.025 miles .if she ran for 7.050 miles, how much more miles did she run?
Answer:
4.02 meters.
Step-by-step explanation:
In the diagram, the length of the ladder is |AC|.
If the foot of the ladder is x meters from the base of the ladder
Then the distance of the ladder up the wall, AB=2x meters.
Using Pythagoras Theorem
![|AC|^2=|AB|^2+|BC|^2\\4.5^2=(2x)^2+x^2\\4.5^2=4x^2+x^2\\20.25=5x^2\\$Divide both sides by 5\\x^2=20.25\div 5\\x^2=4.05\\x=\sqrt{4.05}=2.01 feet](https://tex.z-dn.net/?f=%7CAC%7C%5E2%3D%7CAB%7C%5E2%2B%7CBC%7C%5E2%5C%5C4.5%5E2%3D%282x%29%5E2%2Bx%5E2%5C%5C4.5%5E2%3D4x%5E2%2Bx%5E2%5C%5C20.25%3D5x%5E2%5C%5C%24Divide%20both%20sides%20by%205%5C%5Cx%5E2%3D20.25%5Cdiv%205%5C%5Cx%5E2%3D4.05%5C%5Cx%3D%5Csqrt%7B4.05%7D%3D2.01%20feet)
Therefore, the distance of the ladder up the wall,
AB=2 X 2.01 =4.02 meters.