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alisha [4.7K]
3 years ago
8

could someone explain to me what intervals are in algebra? how would i know if it is positive, increasing, negative, or decreasi

ng?
Mathematics
1 answer:
aalyn [17]3 years ago
7 0

Answer:

Interval positive and negative

The positive regions of a function are those intervals where the function is above the x-axis. It is where the y-values are positive (not zero). The negative regions of a function are those intervals where the function is below the x-axis. ... y-values that are on the x-axis are neither positive nor negative.

Step-by-step explanation:

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Tringle ABC and triangle DEF are similar right angle
Pani-rosa [81]
The answer is the slope of the Hypotenuse are equal. hope this helps
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3 years ago
What is the mass of hydrogen atoms that is measured at 54 u? the relationship between atomic mass units (u) and grams (g) is 1 u
xxMikexx [17]

The mass of hydrogen atoms that measures 54 u is 89.64 x 10^-24

Analysis:

If 1 u = 1.66 x 10^-24, then 54 u = 54 x 1.66 x 10^-24 = 89.64 x 10^-24

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3 0
3 years ago
A band has been playing weekly at local venue. ​ ​They have been making a fixed amount, plus they receive additional money for e
DerKrebs [107]
<h2><u>Ticket prices</u></h2>

According to the calculations made, the greater the number of tickets sold, the lower the variable amount to be paid for each ticket.

Since a band has been playing weekly at local venue, and they have been making a fixed amount, plus they receive additional money for every ticket sold, and last week they sold 40 tickets and were paid $ 200, while the week before that they sold 70 tickets and were paid $ 260, to determine the relationship between the number of tickets sold and the amount the band will be paid, the following calculation must be performed:

  • 200/40 = X
  • 5 = X
  • 260/70 = X
  • 3.71 = X

Therefore, the greater the number of tickets sold, the lower the variable amount to be paid for each ticket.

Learn more about maths in brainly.com/question/8762186

5 0
3 years ago
Does anyone know how to solve this?
Romashka [77]

Answer:

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8 0
3 years ago
You have loaned a friend $100 and will charge him 5% annua simple interest when he pays it back.
kotykmax [81]

The annual interest would be $5 if you have loaned a friend $100 and will charge him 5% annually and the total amount would be $105.

<h3>What is simple interest?</h3>

It is defined as the interest based on the principal amount, it does not include the compounded amount. The interest calculates on the initial amount of borrowed amount.

We have:

You have loaned a friend $100 and will charge him 5% annually.

As we know:

A = P(1 + rt)

P = $100

r = 5% = 0.05

t = 1 years

A = 100(1 + 0.05×1)

A = $105

I = A - P = 105 - 100 = $5

Thus, the annual interest would be $5 if you have loaned a friend $100 and will charge him 5% annually and the total amount would be $105.

Learn more about the simple interest here:

brainly.com/question/22621039

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7 0
2 years ago
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