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Alina [70]
3 years ago
10

PLEASE HELP QUICK!!!!!!

Mathematics
2 answers:
Alenkinab [10]3 years ago
6 0
8 * (4 + 7) = 32 + x
8 * 11 = 32 + x
88 = 32 + x
88 - 32 = x
56 = x
Kruka [31]3 years ago
4 0
Your answer would be (c) 56.

Your first step would be to solve the problem in the parentheses, ( ) because according to PEMDAS the P for parentheses indicate that you must solve that part of the equation first. 

So, 4 + 7 = 11. 

Then you would multiply 11 and 8 (11 x 8) which equals 88. 

Now you move on to the second part. 

You want both the second part and the first part to equal each other. 

So take 88 and subtract it from 32 (88 - 32) which equals your answer of 56. 

So in conclusion, 8 x (4 + 7) = 88 and 32 + 56 = 88 now both equations are equal. 
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(10 pts) (a) (2 pts) What is the difference between an ordinary differential equation and an initial value problem? (b) (2 pts)
laiz [17]

Answer:

Step-by-step explanation:

(A) The difference between an ordinary differential equation and an initial value problem is that an initial value problem is a differential equation which has condition(s) for optimization, such as a given value of the function at some point in the domain.

(B) The difference between a particular solution and a general solution to an equation is that a particular solution is any specific figure that can satisfy the equation while a general solution is a statement that comprises all particular solutions of the equation.

(C) Example of a second order linear ODE:

M(t)Y"(t) + N(t)Y'(t) + O(t)Y(t) = K(t)

The equation will be homogeneous if K(t)=0 and heterogeneous if K(t)\neq 0

Example of a second order nonlinear ODE:

Y=-3K(Y){2}

(D) Example of a nonlinear fourth order ODE:

K^4(x) - \beta f [x, k(x)] = 0

4 0
3 years ago
Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels 16 miles per hou
Verizon [17]
We'll use variables to represent the speeds of the eastbound and westbound trains.

x will represent the speed of the eastbound train.
y will represent the speed of the westbound train.

The eastbound train is 16 mph faster than the westbound train. An equation can be made from this:

x  - y = 16

Subtraction is used, because it represents the difference in distances between the two trains if they travel the same direction.

After 4 hours, the trains are 800 miles apart. An equation can be made from this:

4x + 4y = 800

Addition is used, because the trains are heading in opposite directions, which means their distances from the starting point are added together.

Set the two equations up vertically:

x - y = 16
4x + 4y = 800

We will use elimination to solve for x.

Multiply the entire first equation by 4 so that the coefficients for y will be opposite numbers:

(x - y = 16) \times 4 = 4x - 4y = 64

4x - 4y = 64
4x + 4y = 800

Combine the two equations together to cancel out y:

8x = 864

Divide both sides by 8 to get x by itself:

x = 108

The speed of the eastbound train is 108 mph.
5 0
3 years ago
Bill hiked 3_10 of a maile and 5 10 th of a mole
julia-pushkina [17]
Yes that's how he walked
4 0
3 years ago
Les bought 6 pairs of shorts for s dollars each and a blazer that cost three times as much as a pair of shorts.He Spent a total
sergij07 [2.7K]
Set up a system of equations.

6s+b=139.5
b=3s

Substitite for b
6s+3s=139.5
9s=139.5
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Now multiply by 3 to get the blazer price
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Final answer: $46.50
5 0
3 years ago
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