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3 years ago

What is x -3-(-2)-(-8) =x

Mathematics

1 answer:

STatiana [176]3 years ago

4 0

Answer:

there are NO SOLUTION

Step-by-step explanation:

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Which graph shows the solution to the system of linear inequalities?

tangare [24]

Answer:

See below

Step-by-step explanation:

<u>Given system:</u>

y ≥ 2x + 1
y ≤ 2x – 2

The solution is the common area shaded by the inequalities.

The lines are parallel because of same slope.

Both lines are solid because of equal sign in both inequalities.

The first inequality has a y-intercept of 1 and shaded area is to the left of the line since the value of y is greater as x increases.

The second inequality has a y-intercept of -2 and shaded area is to the right of the line since the value of y is greater as x increases.

The matching graph is the second picture (or attached below) and there is no solution.

8 0

3 years ago

Read 2 more answers

A company pays $3.91 million to air a 30- second commercial during a football game that is watched by approximately 115 million

Radda [10]

Answer:

Part 1) The cost per second is $\$130,333.33$

Part 2) The cost per customer is $\$0.034$

Step-by-step explanation:

Part 1) Calculate the cost per second

we know that

To find out the cost per second, divide the total cost by the time

Let

x ----> the total cost

y ----> the time in seconds

we have

$x=\$3,910,000$

$y=30\ sec$

$\frac{\$3,910,000}{30}=\$130,333.33$

therefore

The cost per second is $\$130,333.33$

Part 2) Calculate the cost per customer

we know that

To find out the cost per customer, divide the total cost by the number of customers

Let

x ----> the total cost

y ----> the number of customers

we have

$x=\$3,910,000$

$y=115,000,000\ customers$

$\frac{\$3,910,000}{115,000,000}=\$0.034$

therefore

The cost per customer is $\$0.034$

6 0

4 years ago

−4x+7y+5=0<br> x−3y=−5<br> How many solutions does the system have?

oksano4ka [1.4K]

A (solution) is a point of intersection. If the lines have different slopes then they will have one solution. If they have the same slope, then they will have either infinite or no solutions, depending on the y intercepts.

These equations have different slopes, therefore the system has 1 solution.

4 0

3 years ago

At a point on the ground 35 ft from a base of a tree, the distance to the top of the tree is 1 ft more than 3 times the height o

tamaranim1 [39]

I would say that the tree is 12 feet high.

And to find out the answer you could use the quadratic formula :)

7 0

3 years ago

The volume of a cone is 565.2 cubic inches. The height of the cone is 15 inches. What is the radius of the cone, rounded to the

PSYCHO15rus [73]

Answer:

Radius, r = 6 inches

Step-by-step explanation:

We have,

Volume of a cone is 565.2 cubic inches

Height of the cone is 15 inches

It is required to find the radius of the cone. Volume of a cone is given by :

$V=\dfrac{1}{3}\pi r^2 h$

r is radius of cone

$r=\sqrt{\dfrac{3V}{\pi h}} \\\\r=\sqrt{\dfrac{3\times 565.2}{3.14\times 15}} \\\\r=6\ \text{inch}$

So, the radius of the cone is 6 inches. The correct option is (b).

6 0

4 years ago