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pickupchik [31]
3 years ago
8

Which subtraction expression does the number line model show?

Mathematics
1 answer:
FrozenT [24]3 years ago
7 0
Can you show us the number line model?
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Solve for x (7/2x)+(6/4X)=(5X/4)
Bess [88]

Answer:

x=0

Step-by-step explanation:

7/2x+6/4x=5/4x

7/2x=5/4x-6/4x

7/2x=-1/4x

7/2x-(-1/4x)=0

7/2x+1/4x=0

14/4x+1/4x=0

15/4x=0

x=0/(15/4)

x=0

6 0
3 years ago
3(2v-9)=5 solve for v
Sonja [21]

Answer:

v=16/3

Step-by-step explanation:

3(2v-9)=5

Multiply 2v and -9 with 3

6v-27=5

Add 27 to both sides

6v=32

Divide both sides by 6

v=16/3

3 0
4 years ago
Set up the characteristic equation, which is given by r2 − 5r − 6 = 0. The roots of this equation are given by r1 = 6 and r2 = −
s344n2d4d5 [400]

Answer:

Step-by-step explanation:

From your characteristic equation, your recursive equation is

f(n+2) = 5 f(n=1) +6f(n)

the general solution:

f(n) = A6^n + B(-1)^n

The initial conditions are

f(0) =1 ~~~and~~~ f(1) = 3

For f(0) = 1, that is

f(0) = A6^0 + B(-1)^0 = A+ B=1 (*)

For f(1) = 3, that is

f(1) = A6^1 + B(-1)^1 = 3

6A- B = 3 (**)

From (*) and (**) you solve for A and B

you have A = 4/7 and B= 3/7

Replace A, B into the general one, you have the particular solution for the given condition

f(n) = 4/7 *6^n +3/7*(-1)^n

4 0
4 years ago
What’s quadratic equation
faltersainse [42]

Answer:

In algebra, a quadratic equation (from the Latin quadratus for "square") is any equation that can be rearranged in standard form as ax^2+bx+c-0 where x represents an unknown, and a, b, and c represent known numbers, where a ≠ 0. If a .0, then the equation is linear, not quadratic, as there is no ax^2 term. The numbers a, b, and c are the coefficients of the equation and may be distinguished by calling them, respectively, the quadratic coefficient, the linear coefficient and the constant or free term.

Step-by-step explanation:

Good Question I just had a class about it 10 minutes ago such a coincidence! :)

3 0
3 years ago
Read 2 more answers
Critical values are considered to be part of the
aksik [14]

Answer:

critical value is considered part of the rejection region.

Step-by-step explanation:

hope this helps!

7 0
3 years ago
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