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Lera25 [3.4K]
3 years ago
7

25x^2-16 how to factor

Mathematics
1 answer:
kotykmax [81]3 years ago
4 0

Did you learn how to factor the difference of two squares ?

This thing is the difference of two squares.

The first term is the square of      5x .
The second term is the square of  4 .

When it's factored, it's

              (sum of the square roots) x (difference of the square roots) .

               25 x² - 16     =     (5x + 4) times (5x - 4) .

To check it, go ahead and FOIL that out, and you'll get    25x²-16 .

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2×3×5×7 is the prime factorization of what number?
Alina [70]

Multiply the numbers together

2 x 3 = 6

5 x 7 = 35

6 x 35 = 210

210 is the original number

hope this helps

7 0
3 years ago
Find the mode of the set of data. 6, 6, 6, 8, 10, 10, *
Ira Lisetskai [31]

Answer:

6

Step-by-step explanation:

The mode is the number that appears most in the data set.

So your answer would be 6 because it appears 3 times.

7 0
2 years ago
Read 2 more answers
X3−2=10 help plz i need help
Norma-Jean [14]
X=4
This is because
(4)3-2=10
12-2=10
10=10
This makes the statement true!
Hope this helps have a good day!
6 0
2 years ago
A group of 31 friends gets together to play a sport. First, people
Umnica [9.8K]

The number of teams she can make is 10.

<h3>How many teams can she make?</h3>

Division is the process of putting a number into equal groups using another number. The sign used to denote division is ÷. Division is one of the basic mathematical operations. Other basic mathematical operations include addition, subtraction, multiplication.

The number of teams that can be made can be determined by dividing the total number of friends by the total number of players in each team. The whole number that is derived from the division process is the number of teams teams that can be made given the total number of friends and the number of people that have to be in each group.

Number of teams she can make = total number of friends / number of people in each group

31 / 3 = 10 remainder 1

So, only 10 teams can be made. one person would not be on any team.

To learn more about division, please check: brainly.com/question/13281206

#SPJ1

5 0
1 year ago
The following list shows the items and prices for a restaurant order. Calculate the total amount if there is 7.5% tax and the cu
Rainbow [258]

The first thing we are going to do to find the total cost of the meal before tax:

Total cost before tax = $8.99 + 2($14.99) + $12.99 + 3($1.99)

Total cost before tax = $8.99 + $29.98 + 12.99 + $5.97

Total cost before tax = $57.93

Regarding the 15% gratuity, remember that the unofficial rule for tipping at restaurants is to tip according to the actual value of the meal and not the tax, so we calculate the value of the tip first, and then we add it to the total at the end of our calculations.

Tip = 15%($57.93) = $8.69

Now, lets calculate the tax

Tax = 7.5%($57.93) = $4.34

Finally, we can calculate the total cost of the meal

Total cost = cost before tax + tip + tax

Total cost = $57.93 + $8.69 + $4.34 = $70.96

We can conclude that the correct answer is a. $70.96

3 0
3 years ago
Read 2 more answers
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