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natita [175]
3 years ago
7

What is the equation of the axis of symmetry

Mathematics
1 answer:
stich3 [128]3 years ago
5 0

Answer:

x=3

Step-by-step explanation:

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100 POINTS ANSWER HURRY
choli [55]
X-3y=18
X always has a 1 in front of it so
1x-3y=18
-1x      -1x         You will have to get -3y by its self.
-3y=-1x + 18      when you move 1x over the = it turns into a -1x
/-3    /-3      /-3      divided everything by -3 to get y by its self
Y= 1/3 - 6            and that is you answer
4 0
3 years ago
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What is 28.6 - 0.975 and I need an explanation.
bekas [8.4K]
The answer is 27.625 !

hope this helpss !!
8 0
3 years ago
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What expression is equivalent to 2a+20/4
artcher [175]

Answer:

None

Step-by-step explanation:

2a + 20/4

2a + 5

Best of Luck!

5 0
3 years ago
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HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
Allisa [31]

Answer:

A.

Step-by-step explanation:

First up, chill a bit xd

So hot dog = x

Drink = y

2 hot dogs = 2x

2 drinks = 2y

2x + 2y = 4.75

3 hot dogs = 3x

1 drink = y

3x + y = 7.75

3 0
3 years ago
A city council consists of seven Democrats and five Republicans. If a committee of four people is selected, find the probability
Hoochie [10]

Answer:

The probability  of selecting two Democrats and two Republicans is 0.4242.

Step-by-step explanation:

The information provided is as follows:

  • A city council consists of seven Democrats and five Republicans.
  • A committee of four people is selected.

In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.

The formula to compute the combinations of k items from n is given by the formula:

{n\choose k}=\frac{n!}{k!\times (n-k)!}

Compute the number of ways to select four people as follows:

{12\choose 4}=\frac{12!}{4!\times (12-4)!}=495

Compute the number of ways to selected two Democrats as follows:

{7\choose 2}=\frac{7!}{2!\times (7-2)!}=21

Compute the number of ways to selected two Republicans as follows:

{5\choose 2}=\frac{5!}{2!\times (5-2)!}=10

Then the probability  of selecting two Democrats and two Republicans as follows:

P(\text{2 Democrats and 2 Republicans})=\frac{21\times 10}{495}=0.4242

Thus, the probability  of selecting two Democrats and two Republicans is 0.4242.

6 0
2 years ago
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