Which value is needed in the expression below to create a perfect square trinomial?

Answer:

Let’s use the slope formula to calculate the slope of a line, using just the coordinates of two points. The line passes through the points (1, 4) and (-1, 8). Let’s call the point (1, 4) point 1, and the point (-1, 8) point 2. That means x1 = 1, y1 = 4, x2 = -1, and y2 = 8.

Example

Points

Coordinates

(1, 4)

x1 = 1

y1 = 4

(-1, 8)

x2 = -1

y2 = 8

The slope formula is . When we put the coordinates into the formula, we get the equation . This reduces to m = -2. The slope of the line is -2.

It is important to realize that it doesn’t matter which point is designated as 1 and which is 2. We could have called (-1, 8) point 1, and (1, 4) point 2. In that case, putting the coordinates into the slope formula produces the equation . Once again, that simplifies to m = -2. That’s the same slope as before.

Step-by-step explanation:

Slope is the ratio of the vertical and horizontal changes between two points on a surface or a line. The vertical change between two points is called the rise, and the horizontal change is called the run. The slope equals the rise divided by the run: . This simple equation is called the slope formula.

Answer:

y=5/4x+12

Step-by-step explanation:

Answer:

x=12

Step-by-step explanation:

Complementary angles add up to 90 degrees. 90-66=24. 24 divided by 2 is 12.

Answer:

-1

Step-by-step explanation:

We can use the formula to find slope

(y2-y1) / (x2-x1)

y1 is the first Y coordinate in the first pair

y2 is the second one in the first pair

X1 is the first X coordinate in the frst pair

x2 is the second one In the second pair.

so if we put it together it’d look liek this

(5- (-) 2) / (-4 - 3)

5+2 / -4 + -3

7/-7

or -1

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Answer: -1

Explanation:

y2-y1/x2-x1

Then you plug the points into the equation

I hope this helped!

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- Zack Slocum

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Answer:

option second 145 is right answer

Answer:

145 degrees

Step-by-step explanation:

< A = 95°

< B + 130° = 180° ( being linear pair )

< B  = 180° - 130°

<B = 50°

< D = < A + < B ( Exterior angle of a triangle is equal to the sum of two opposite interior angles )

< D = 95° + 50°

     = 145°

Answer:

18

Step-by-step explanation:

5 kids times 3 pieces each = 15 and then add the 3 that the dad got.

Answer:

18

Step-by-step explanation:

let 'x' = pieces of candy at start

(x-3)/5 = 3

cross-multiply:

x - 3 = 15

x = 18

Answer:

=468 m^2

Step-by-step explanation:

Surface area of a prism is

SA = 2 (lw + wh + hl)  where l is length, w is width and h is height

SA = 2 ( 12*6 + 6*9 + 9*12)

      = 2 ( 72+54+108)

      = 2(234)

       =468 m^2

Answer:

B

Step-by-step explanation:

There is a 1/4 probability of getting an A out of a bag with letter MATH

For B) There are two A's our of 8 letters is ADMIRALS.

2/8 is the same as 1/4

The answer is B

A) is wrong because that 1/6

C) is wrong because that's 1/8

D) is wrong because that's 2/9

Answer:

B

Step-by-step explanation:

Probability of finding A in a word =  number of A / number of letters in that word

Probability of finding A in MATH = 1/4

A. Probability of finding A in BECAME = 1/6

B. Probability of finding A in ADMIRALS = 2/8 = 1/4

C. Probability of finding A in USERNAME  = 1/8

D. Probability of finding A in AFTERMATH = 2/9

So we have a match with option B

42 because 3x3=6 and 6x7=42

Answer:

If it's multiple choice, I'd say B and D. If it's only one, those are the ones I'd narrow it down to.

Step-by-step explanation:

All you have to do is imagine the question's answers as a statistic. With A, you can't say "There are 56% theaters in my city." So that's out. C is the same, you cant say "The students in my class watch 47% movies in a month." Also out. Sorry if this answer is incorrect, but that's your best bet.

Answer:

2n-1

Step-by-step explanation:

Not sure what you needed but here is the nth term.

Answer:

0.1732 = 17.32% probability exactly 24 residents own a home.

Step-by-step explanation:

For each resident, there are only two possible outcomes. Either they own a home, or they do not. The probability of a resident owning a home is independent of any other resident. This means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

In which [tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by the following formula.

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

And p is the probability of X happening.

78% of residents in Summerville own a home.

This means that [tex]p = 0.78[/tex]

30 residents are randomly selected:

This means that [tex]n = 30[/tex]

Find the probability exactly 24 residents own a home.

This is P(X = 24).

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]P(X = 24) = C_{30,24}.(0.78)^{24}.(0.22)^{6} = 0.1732[/tex]

0.1732 = 17.32% probability exactly 24 residents own a home.

Answer:

<EFG and <ONM

Step-by-step explanation:

Answer:

5

Step-by-step explanation:

2.5 is half so just add 2.5 and 2.5 and you get 5, which you dont need to round because its already rounded

Answer:

25 students

Step-by-step explanation:

Let x = no. of students in the class

.6x = no. of students that use TT

.2(.6x) = no. of students that post videos

.2(.6)x = 3

.12x = 3

x = 25 students

Step-by-step explanation:

105/30=3.5 hours for steven

105/15=7 hours for Kara.

they would be b at the same place in 7 hours when Kara catches up at 105km lol

Answer:

7 hrs

Step-by-step explanation:

SEE THE IMAGE FOR SOLUTION

HOPE IT HELPS

HAVE A GREAT DAY

Answer:

40 is your answer:)

Step-by-step explanation:

4x3= 12

12/2=6

6x4=24

4x4=16

24+16= 40

Answer:

3/5 OR 0.6

Step-by-step explanation:

Answer:

60-16=44-14=30

Step-by-step explanation:

He needs to sell 30 more tickets

Answer:

The expression: 60 - (16 - 14)

30 tickets

Step-by-step explanation:

16 + 14 = 30

60 - 30 = 30

Answer:

6 + 2x² = 20

2x² = 20 - 6

2x² = 14

x² = 14 ÷ 2

x² = 7

x = √7

x = 2.64

Answer:

165

Step-by-step explanation:

1. you have to do 10 x 8 bc she makes 10 dollars a week, and it says how much will she make in 8 weeks so you do 10 x 8. 10 x 8 = 80 , so you take the 85 dollars she has then you take the 80 and add them together and you get 165.

Answer:

Answer:$165

Answer:$165Step-by-step explanation:

Answer:$165Step-by-step explanation:She has $85.

Answer:$165Step-by-step explanation:She has $85.She can save $10 per week.

Answer:$165Step-by-step explanation:She has $85.She can save $10 per week.Then,

Answer:$165Step-by-step explanation:She has $85.She can save $10 per week.Then,For 1 week,

Answer:$165Step-by-step explanation:She has $85.She can save $10 per week.Then,For 1 week,She saves $10

Answer:$165Step-by-step explanation:She has $85.She can save $10 per week.Then,For 1 week,She saves $10And, For 8 weeks,

Answer:$165Step-by-step explanation:She has $85.She can save $10 per week.Then,For 1 week,She saves $10And, For 8 weeks,She saves $10×8=$80

Answer:$165Step-by-step explanation:She has $85.She can save $10 per week.Then,For 1 week,She saves $10And, For 8 weeks,She saves $10×8=$80Hence, the total money that she will have after 8 weeks = $85+$80 = $165

Answer:

0.681926045434

Step-by-step explanation:

Answer:

0.000681926045

Step-by-step explanation:

666.983 ÷ 978.087=0.000681926045

Answer:

I think that is a

Step-by-step explanation: