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Wewaii [24]
3 years ago
14

A math class is having a discussion on how to determine if the expressions 4x-x+5 and 8-3x-3 are equivalent using

Mathematics
1 answer:
Mkey [24]3 years ago
6 0

Answer:

  Both expressions should be evaluated with two different values. If for each substituted value, the final values of the expressions are the same, then the two expressions must be equivalent.

Step-by-step explanation:

Both expressions are linear expressions. It takes 2 points to define a line. If the lines defined by each expression go through the same two points, then the expressions are equivalent.

If the expressions have the same value for two different variable values, they are equivalent. (choice D)

_____

<em>Additional comment</em>

One more point is needed than the degree of the polynomial expression. That is, quadratic (degree 2) expressions will be equivalent if they go through the same 2+1 = 3 points.

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Krissy ran three miles one morning she ran the first mile in 11. 74 minutes the second mile in 11. 26 minutes in the third mile
gladu [14]
Add up all the miles- 11.74+12.12+11.26 is 35.12. 34.12 minutes is the answer
8 0
3 years ago
Max observes the zoo and the library from a helicopter flying at a height of 100 times square root of 3 feet above the ground, w
poizon [28]

Answer:

The distance between zoo and library is 200 feet....

Step-by-step explanation:

Look at the picture. As the figure describes,

Let H denote the position of Helicopter.

Z denote the position of Zoo.

and L denote the position of library.

Hence, we will firstly find the distance between G and zoo and then we find the distance between G and library and subtract the first distance from second to obtain the distance between zoo and library.

In ΔHGZ.

tan 60°=HG/GZ

√3=100√3/GZ

Hence, GZ=100 feet.

Similarly in ΔHGL

tan 30°=HG/GL

1/√3=100√3/GL

GL=300 feet.

Hence, the distance between zoo and library is:

GL-GZ

=300-100

=200 feet.

Hence, the distance between zoo and library is 200 feet....

8 0
4 years ago
Jack divided his fortune of 92,000 into 8 equal parts. he gave 4 parts to his wife, 1 part to his son and divided the last 3 par
trasher [3.6K]

Answer: 4600

Step-by-step explanation:

Jack divided his fortune of 92,000 into 8 equal parts. This means a part will be equal to:

(92000 ÷ 8) = 11500.

He gave 4 parts to his wife. This means his wife has:

(11500 × 4) = 46000.

1 part to his son means that his son has: (1 × 11500) = 115000.

He gave the last 3 parts and evenly it among 5 charities. This means:

(3 × 11500) = 34500 was shared among 5 charities. Each charity will get: (34500 ÷ 5) = 6900

To calculate how much more money did his son get than the charities will be:

11500 - 6900 = 4600

5 0
3 years ago
A lender will verify and carefully consider your income before approving you for a loan because _____. A. They need to be sure y
Anestetic [448]

They need to be sure you will be able to pay the loan back. Then the correct option is A.

<h3>What is decision-making?</h3>

The process of making choice is by identifying the correct decision, gathering information, and assessing alternative solutions.

A. They need to be sure you will be able to pay the loan back. This is correct.

B. Government restrictions require a minimum salary to be approved for a loan. This is incorrect.

C. Loan applicants with higher salaries are generally more trustworthy than other applicants. This is incorrect.

D. They need to be sure you make at least the minimum payment for the loan you applied for. This is incorrect.

A lender will verify and carefully consider your income before approving you for a loan because they need to be sure you will be able to pay the loan back.

More about the decision-making link is given below.

brainly.com/question/3369578

6 0
2 years ago
What is the slope of the line that passes through the points (-4,9) and (-8,3)? Group of answer choices 3/2 -2/3 -1/2
nataly862011 [7]

Answer:

3/2

Step-by-step explanation:

3-9/-8-(-4). -6/-4. turn into positive due to the two negatives and becomes 3/2

8 0
3 years ago
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