I need help!!! what is the highest common factor of 30 and 60?

Answers

Answer 1

Answer: I thought it was 10 because 10 x 3 and 10 x6 but it is 2

Answer 2

Answer:

The Greates Common Factor (GCF) is: 2 x 3 x 5 = 30

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What is the vertex of the quadratic function f(x) = (x – 6)(x + 2)?

Answers

Answer:

The vertex is (2,-16)

Step-by-step explanation:

The given function is $f(x)=(x-6)(x+2)$

We expand to obtain;

$f(x)=x^2+2x-6x-12$

$f(x)=x^2-4x-12$

We complete the squares to obtain;

$f(x)=x^2-4x+(-2)^2-12-(-2)^2$

$f(x)=x^2-4x+(-2)^2-12-4$

$f(x)=(x-2)^2-16$

The vertex form is $f(x)=(x-2)^2-16$

Comparing this to

$f(x)=a(x-k)^2+k$

The vertex is (h,k)= (2,-16)

Nata spent $28 on 2 DVDs. At this rate, how much would 5 cost? At what rate did she spend her money

Answers

we know that

Nata spent $\$28$ on $2$ DVDs

by proportion

Find the cost of $5$ DVDs

$(28)/(2) (\$)/(DVD) =(x)/(5) (\$)/(DVD)\n \n2*x=28*5\n \nx=28*5/2\n \nx=\$70$

therefore

The answer Part a) is

The cost of $5$ DVDs is $\$70$

Part b) Find the unit rate

we know that

Unit Rate is the ratio of two measurements in which the second term is $1$

Find the cost of $1$ DVDs

$(28)/(2) (\$)/(DVD) =(x)/(1) (\$)/(DVD)\n \n2*x=28\n \nx=28/2\n \nx=\$14$

therefore

the unit rate is $14(\$)/(DVD)$

The answer Part b) is

Nata spent her money at the rate $14(\$)/(DVD)$

$14 dollars for each cd and if she buys 5 it's $70

Write an expression for the calculation double the product of 6 doubled

Answers

2 (6*2) x 2 x2 that will be the answer

2(6*2) 6 times 2 times 2

In your class, 2 out of every 20 students are left-handed. What percent of students in your class are left handed?

Answers

$(left-handet)/(all students) = (2)/(20) = (10)/(100) =$ 10%

Answer : 10%

Hey, Tyty1235!

2/20=left handed

1/10=left handed

1*10

10*10

10/100=10%

I really hope this helps;)

Julio watched a movie that started at 11:30 a.m. And it ends at 2:12 p.m. how long was the movie ?

Answers

$11:30 -\ \textgreater \ 12:00 = 30 \ Minutes \n\ 12:00 -\ \textgreater \ 2:12 = 2 \ hr \ 12 \ mins \n\ 30 + 12 = 42, \ 2 \ hr \ 42 \ mins$

30 minutes before 12:00
there is extra 2 hour and 12 minutes after 12:00
2 hour and 12 minutes = 132 minutes
30 + 132 = 162 minutes
162 minutes = 2 hour and 42 minutes
The movie is 2 hour and 42 minutes long.

saima makes 14 muffins to give to her friends she wants to give 2 muffins to each friends at her party

Answers

Answer:

7 friends

Step-by-step explanation:

14 divided by 2

Final answer:

Saima can share the muffins with 7 friends, as she has 14 muffins and she intends to give each friend 2 muffins.

Explanation:

Saima can be likened to having been provided with 14 muffins (like the slices of bread in the reference) and she wants to give out 2 muffins to each friend (like the concept of preparing a sandwich with 2 slices of bread in the reference). As she intends to give 2 muffins per friend, we can divide the total number of muffins she made, which is 14, by 2 to get the number of friends she can share the muffins with. That would be 14 divided by 2 equals to 7. Therefore, Saima can share the muffins with 7 friends.

Learn more about Division here:

brainly.com/question/2273245

#SPJ2

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