Answer:
The 4th one: 3^2 + 13^2 = x^2
Step-by-step explanation:
The <u>pythagorean theorem</u> is a^2 + b^2 = c^2. In this case 3 is a, 13 is b, and x is c.
happy to help
Answer:
x = - 1
Step-by-step explanation:
Given
3x + 2 = y and y = - 1
Substitute y = - 1 into the equation and solve for x, that is
3x + 2 = - 1 ( subtract 2 from both sides )
3x = - 3 ( divide both sides by 3 )
x = - 1
This is verified by the point on the graph with coordinates (- 1, - 1)
Answer:
12.5
Step-by-step explanation:
First you times 45 and 25 together, since product means multilpication. 45*25= 1125
Then you add 53 and 73, which is 90. Then you divide, which equals to the sum of 12.5. Hope this helps!
Answer:
2160
Step-by-step explanation:
1872(volume of the cube)+288(volume of the square pyramid)=
2160
v of cube= lwh
v of square pyramid= a² times h/3
please mark brainliest!