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romanna [79]
3 years ago
7

What is the solution set of the quadratic inequality?

Mathematics
1 answer:
liberstina [14]3 years ago
4 0

Answer:

\large\boxed{\{x\ |\ -\sqrt5\leq x\leq\sqrt5\}}

Step-by-step explanation:

x^2-5\leq0\qquad\text{add 5 to both sides}\\\\x^2\leq5\iff x\leq\sqrt5\ \wedge\ x\geq-\sqrt5\Rightarrow-\sqrt5\leq x\leq\sqrt5

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If a=8 and b=4, evaluate the following expression:2a−3b​
Nata [24]

Answer:

4

Step-by-step explanation:

2(8)-3(4)

16-12

4

7 0
3 years ago
Read 2 more answers
Find the percent of increase or decrease from the first number to the second number. 140 to 84
tresset_1 [31]
We can automatically see that we are dealing with a percent decrease because we are going from a smaller to a bigger number. We need to first find what percent of 140the number 84 is. to do this we can set up the following equation:

140/84=100/x (this equation is basically saying if 140 is 100(%) what would 84 be?)

solving for x here gives us x = (84 X 100)/140 = 60, so 84 is 60 percent of 140 which means 140 decreased by 40 percent.

Let me know if I can clear anything else up.


8 0
3 years ago
Create and describe a function related to your field (or intended field). Give a detailed explanation of the domain (input) and
Andru [333]

An example of a domain that can be illustrated from the information given will be D(x) = 32.

<h3>Domain and range</h3>

An example based on the information given is "A gas tank in John's car can hold 20 gallons of gas and the car gets 32 miles for every gallon".

John fills up the tank and then goes on a trip. In this case, the distance that will be travelled on one tank will be:

D(x) = 32x

In the above function, it should be noted that the number of gallons can be from 0 to 20. Since he gets 32 miles per gallon, the car can travel 640 miles.

In this case, the domain is the number of gallons that can be used. The number of miles will be the range.

Learn more about domains on:

brainly.com/question/2264373

4 0
2 years ago
4. Calculate the surface area of this triangular prism.
attashe74 [19]

Answer:

Surface Area of a Triangular Prism Calculator

In the general surface area is defined as the total area the surface of the object occupies. A triangular prism is a polyhedron that  has a triangular base. It has 5 faces and 9 edges. Use our online surface area of a triangular prism calculator to efficiently calculate the total surface area occupied by the triangular based prism. Enter the triangle's sides, base, height, and prism height in the prism calculator to find the SA of the triangular prism.

Step-by-step explanation:

7 0
3 years ago
Can someone plz help me
Illusion [34]
First rectangle:
Has 3 cubes in each 5 layers, and imagine it, so we have all dimension needed which is:
l=3 unit
w=1 unit
h=5 unit.
V=l×w×h
V=3×1×5
V=15 cubic inches.

Second rectangular:
Doing the same like that to get:
l=5 unit
w=1 unit
h=3 unit
V=15 cubic inches. As a result, there are no prism that are greater to each other, which mean that they have the same volume of 15 cubic inches. Hope it help!
6 0
3 years ago
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