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IgorLugansk [536]
3 years ago
15

Arrange the equations in increasing order of the value of their solutions.

Mathematics
2 answers:
Ulleksa [173]3 years ago
5 0

See the explanation

<h2>Explanation:</h2>

The complete question is attached below. In order to solve this problem, we'll use a graphing tool. First of all, we'll say that the LHS is a linear function and the RHS is another linear function, so for each case, we'll have:

f(x)=g(x)

For each graph, f(x) will be drawn in red while g(x) will be drawn in blue.

Case 1:

f(x)=\frac{1}{4}x+\frac{5}{2}x-2 \\ \\ g(x)=4-\frac{1}{4}x

So by equating both equations:

\frac{1}{4}x+\frac{5}{2}x-2=4-\frac{1}{4}x

By using graphing tool we get a point of intersection at which the x-value is the solution to our equation. So:

<u>Solution:</u>

\boxed{x=2}

See First Figure below.

Case 2:

f(x)=7.9x+x+4 \\ \\ g(x)=-1.1x-16

Applying a similar method as in case 1.

<u>Solution:</u>

\boxed{x=-5.8}

See Second Figure below.

Case 3:

f(x)=3.2x+5.7 \\ \\ g(x)=-2.5x

Applying a similar method as in case 1.

<u>Solution:</u>

\boxed{x=-1}

See Third Figure below.

Case 4:

f(x)=10.1x-1.6x+44 \\ \\ g(x)=-7

Applying a similar method as in case 1.

<u>Solution:</u>

\boxed{x=-6}

See Fourth Figure below.

<h2>Learn more:</h2>

Methods for solving system of equations: brainly.com/question/10185505

#LearnWithBrainly

grigory [225]3 years ago
4 0

Answer:

Answer: 1. 10.1x - 1.6x + 44 = -7

             2. 7.9x + x + 4 = 1.1x - 16

           3.  3.2x + 5.7 = -2.5x

           4. 1/4x + 5/2x - 2 = 4 -1/4x

in order

Step-by-step explanation:

mark as brainliest plz!!!        hope this helps!

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Korvikt [17]

Answer:

Last answer.

Step-by-step explanation:

What I do is divide the terms by the previous terms, and if they all equal 1.5, that is your answer.

5 0
2 years ago
A grasshopper jumps straight up from the ground with an initial vertical velocity of 8 feet per second. After how many seconds w
vlabodo [156]

Answer:

Problem 1 : After 0.25 s

Problem 2 : The squirrel doesn't reach the ground before the nut

Step-by-step explanation:

Problem 1

This is a standard physics problem

The equation that defines the movement of the grasshopper given the initial velocity, and the acceleration is the following

Distance =  Do + Vo*t + 0.5*a*t^2

Where

Do is the initial distance.

(Do = 0, because the grasshopper is on the ground and we choose the reference system there)

Vo is the initial velocity = 8 feet/sec

a is the acceleration that is exerted on the body (in this case a = g = -9.8 m/s^2 = - 32.174 feet per second per second.)

t is the time

We substitute in the equation, and solve for t (time)

Distance =  Do + Vo*t + 0.5*a*t^2

(1 foot)=  (0)+ (8 feet/s)*t + 0.5*(-32.174 feet/s^2)*t^2

Solving this equation, we get that

t = 0.25 s

Problem 2

This problem is similar to the previous one

We apply the same formula

D =  Do + Vo*t + 0.5*a*t^2

But in this case, we are going in the opposite direction, and we have an initial distance.

Do = 27 feet

Vo is the initial velocity of the nut = -6 feet/s

D = 0  (Ground)

We substitute in the equation, and solve for t (time)

(0) =  (27) + (-6 feet/s)*t + 0.5*(-32 feet/s^2)*t^2

t = 1.125 s  <  2s

The nut reaches ground in 1.125 s, so the squirrel doesn't reach the ground before the nut

4 0
3 years ago
10 points to the person who answers this whole thing and I will mark you as brainliest.
olga2289 [7]

Answer:

Step-by-step explanation:

Perimeter is found by adding together all the lengths of the sides. For us, that is x + (2x + 5) + (6x - 17) + (3x + 2). Now we will just combine like terms. We can also drop the parenthesis because they do nothing for us and mean nothing to the problem.

x + 2x + 5 + 6x - 17 + 3x + 2 becomes

12x - 10

4 0
3 years ago
Please help i am super confused on what to do :)
Ludmilka [50]

Answer:

About 9.1 yards tall.

Step-by-step explanation:

So, we can draw the right triangle shown below:

We want to find h.

Since we know the angle and the side adjacent to the angle and we wan to find the opposite side, we will use the tangent ratio:

\displaystyle \tan(x^\circ)=\frac{\text{Opposite}}{\text{Adjacent}}

So:

\displaystyle \tan(20)=\frac{h}{25}

Therefore:

\displaystyle h=25\tan(20)

Use a calculator. Ensure your calculator is in the correct mode (degrees mode):

h\approx 9.1\text{ yards}

The goal post is around 9.1 yards tall.

7 0
3 years ago
Find the value of x. 64 x
lions [1.4K]

Answer:

the value of x is 116

Step-by-step explanation:

180-64=116

5 0
3 years ago
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