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3 years ago

HELP ME WHICH ANSWER

Mathematics

2 answers:

SIZIF [17.4K]3 years ago

8 0

Answer:

Step-by-step explanation:

30 : 13 = 30/13

Luden [163]3 years ago

8 0

Answer:

The answer is 13:30

Step-by-step explanation:

All you have to do is make sure that you put the ice skating fist because that is the one that the question mentioned first. Hope this helps :)

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2x^(2)+12x+8 using completing square

gayaneshka [121]

Answer:

${2x}^{2} + 12x + 8 \\ = {x}^{2} + 6x + 4 \\ = {x}^{2} + 6x + {( \frac{6}{2}) }^{2} + 4 - {( \frac{6}{2} )}^{2} \\ = ( {x}^{2} + 6x + {3}^{2} ) + ( - 5) \\ = {(x + 3)}^{2} - 5$

8 0

3 years ago

Ahmad travelled 1/4 of a journey by Train X, 3/4 of the remainder by Train Y and the remaining 10km by Train Z. a) How far did A

sveta [45]

Hey there! I'm happy to help!

Train X takes out 1/4 of our journey.

Now, we have 3/4 of the journey left.

Train Y takes 3/4 of the last 3/4 of the journey. How much is that, let's just multiply the fractions!

3/4*3/4= 9/16

So, 9/16 of the total journey is done by Train Y.

A fourth of 16/16 is 4/16, so that leaves us with 3/16 left to go.

So, 3/16 of our total distance is equal to 10 km. Let's call our total distance d and set this up as an equation.

3/16d=10

Divide both sides by 3/16.

d= 53 1/3

We also remember that Train Y gave us 9/16 of our total journey, so we can multiply this by our total distance to see how far train Y went.

53 1/3 * 9/16= 30

So, A. Ahmad traveled 30 miles by Train Y and B. his total distance traveled is 53 1/3 miles.

Have a wonderful day and keep on learning! :D

5 0

3 years ago

According to the distributive property,6(a+b)=

olga55 [171]

Answer:

Step-by-step explanation:

The Distributive property says that a(b+c) = ab+ac

In my example you distribute the value on the outside to the things on the inside

In your problem, you have a six on the outside that needs to be distributed to an a and b

1) 6 multiplied by a equals 6a giving you the first part of your answer!

2) 6 multiplied by b equals 6b giving you the second part of your answer!

Dont forget that there is a + sign in between a and b, dont drop it!

Put the two values together to get 6a+6b

Let me know if you have any further questions :)

8 0

3 years ago

1. f(x) = 9x^2 - 3 Find the vertex

Margarita [4]

(0,-3)
Was the two supposed to be on the top

4 0

4 years ago

Read 2 more answers

Every positive real number has a positive and a negative square root, the ________ root is called the principal root. *

fomenos

9514 1404 393

Answer:

B) positive

Step-by-step explanation:

For even-index roots, which may be either positive or negative, the positive root is called the principal root.

5 0

3 years ago