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DochEvi [55]
3 years ago
6

Find the axis of symmerty for x y=x squared -4x-8

Mathematics
1 answer:
xxMikexx [17]3 years ago
6 0

Answer:

x=2

Step-by-step explanation:

y = x^2 -4x-8

This is in the form y = ax^2 + bx +c

The axis of symmetry, h is found by h=-b/2a

We know a = 1, b=-4

h = -(-4)/ (2*1)

  =4/2

  =2

The axis of symmetry is x=2

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Blake and Josh are both saving money for a new bike. The ratio of Blake's savings to Josh's savings is 3:1. If they have saved $
kompoz [17]

Given:

Total savings = $400

Ratio of savings of Blake and Josh = 3:1

To find:

The saving of each.

Solution:

Let the savings of Blake and Josh are 3x and x respectively.

According to the question,

3x+x=400

4x=400

Divide both sides by 4.

x=100

Now,

Savings of Blake = 3(100)=300

Savings of Josh =100

Therefore, the savings of Blake and Josh are $300 and $100 respectively.

4 0
3 years ago
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Answer:

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Step-by-step explanation:

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4 0
3 years ago
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Anuta_ua [19.1K]
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5 0
3 years ago
Suppose you deal three cards from a regular deck of 52 cards. What is the probability that they will all be jacks?
andrew-mc [135]

<u>Answer:</u>

Probability of getting three jacks = \frac { 3 } { 5 2 }

<u>Step-by-step explanation:</u>

It is given that you deal three cards from a regular deck which contains 52 cards.

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We know that there are a total of 4 jacks in a regular deck of 52 cards.

Therefore, the probability of getting three jacks = \frac { 3 } { 5 2 }

4 0
3 years ago
Read 2 more answers
1.<br> Find the product of -12 and -6.
Alborosie

Answer:

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Step-by-step explanation:

Multiply. Note that when you multiply two negative numbers, the answer will be positive.

Combine:

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72 is your answer.

~

5 0
3 years ago
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