Mathematics High School

which one doesn't belong​

Which One Doesn't Belong

Answers

Answer 1

Answer:

x - 3 = 6

Step-by-step explanation:

In all of the other equations... when you solve for x... you get x = 6.

x -3 = 6 does not end up with x = 6... rather x = 9 in that equation

Answer 2

Answer:

the 2nd one

Step-by-step explanation:

1. 6-2=4

2.9-3=6

3.6-5=1

4.6-6=0

all 6's except 2nd

Related Questions

There is 3/4 of a box of cereal remaining. You eat 2/5 of the remaining cereal. What fraction of the box do you eat? Hint: What mathematical operation does the word “of” mean?
the answer must be a fraction

Answers

Answer:I think it’s 7/20

Step-by-step explanation:

Neil's bank offered him a 4.95% interest rate for his mortgage. If he
purchases 3 points, what will his new rate be?
O A. 0.375%
O B. 4.575%
C. 1.75%
O D. 4.375%

Answers

I honestly think it’s C

Neil's new interest rate after purchasing 3 points would be 7. 95%. The closest option is B. 4.575%.

How to calculate the interest rate?

To calculate the new interest rate after purchasing points, we need to know the cost of one point and the number of points purchased.

One point typically costs 1% of the mortgage amount, so three points would cost 3% of the mortgage amount. The cost of the points is usually paid upfront at closing.

Assuming Neil's mortgage amount is $100,000, the cost of 3 points would be:

3% x $100,000 = $3,000

To calculate the new interest rate, we need to add the cost of the points to the original interest rate and then recalculate it as a percentage:

New rate = Original rate + (Cost of points / Mortgage amount)

New rate = 4.95% + ($3,000 / $100,000)

New rate = 4.95% + 3%

New rate = 7.95%

So, Neil's new interest rate after purchasing 3 points would be 7. 95%. The closest option is B. 4.575%.

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Answers

It’s 143 degrees cuz it’s alternate exterior angles

Answer:

x=143

Step-by-step explanation:

Using the rule vertical angles then the rule of corresponding angles, you can see that they are congruent.

Which of the following is a true statement about polygons?

A) Each line segment intersects exactly two other line segments
B) Each line segment intersects at least two other line segments
C) Each line segment intersects exactly one other line segment
D) Each line segment intersects at least one other line segment

Will mark as brainliest if correct!!

Answers

Answer:

A

Each side must intersect exactly two others sides but only at their endpoints. The sides must be noncollinear and have a common endpoint.

Alex chose a pair of jeans that sells for $19.50, but today all jeans are on sale for 10% off. How much will Alex save. Explain your answer.

Answers

Answer:

He saves $1.95. Instead of paying $19.50, He pays $17.55

Step-by-step explanation:

$19.50 ×10/100 = $1.95

That is the discount of the jeans. Taking

$19.50 - $1.95 = $17.55

Felicia has grown five pumpkins. The first is 25.34 pounds. The second
weighs 10.23 pounds less than the first. Both the third and fourth pumpkin
are 13.2 pounds. If the combined weight of the pumpkins is 71.87 pounds,
how much does the fifth pumpkin weigh?

Answers

Answer:

5.02

Step-by-step explanation:

If the inverse of a conditional statement is true, which of the following must also be true?
Select one:
a. the original conditional statement
b. its converse
c. its contrapositive

Answers

Answer:Original Conditional: P → Q = If it is raining, then the driveway is wet. The inverse of a conditional negates both the hypothesis and the conclusion. Inverse: ∼ P → ∼ Q = If it is not raining, then the driveway is not wet.

Step-by-step explanation:

A bakery sells 3642 pastries in 2010. The bakery sells 8422 pastries in 2015. Write a linear model that represents the number y​ of pastries that the bakery sells x​ years after 2010

Answers

Answer:

y = 936x + 3742

Step-by-step explanation:

If it is a linear model, then we should have a slope and y-intercept with the equation representing the model as;

y = mx + c

where m is the slope and c is the y-intercept

Thus, we have for the slope;

(8422-3742)/(2015-21010) = 4680/5 = 936

So the equation will be;

y = 936x + c

To get c , we can use the years after 2010 which is 2015 in this case

8422 = 936(5) + c

c = 8422- 4680

c = 3742

So the linear model is;

y = 936x + 3742

Andre and Elena are solving this system of equations.
Y=3x
Y=9x-30
Andre’s first step is to create a new system:
3y=9x
Y=9x-30
Do you agree with either first step?

A-both strategies work
B-only the first strategy works
C-only the second strategy works
D-neither strategies work.

Answers

Answer:

A-both works

Step-by-step explanation:

one can simply sub into the second equation from the first step's one and remove an unknown, making it easy to solve

20 POINTS NO CAP PLEASE HELP ME NEED RIGHT ANSWER

Answers

Answer:

3x-10+25+x+15=180

4x+30=180

4x=180-30

4x=150

x=37.5

Answer:

37.5555

Step-by-step explanation:

Please answer the only one that's empty the question is
+ 10 = +

Answers

Answer:

2(10-x)+12

Step-by-step explanation:

Sketch a 9 red counters and 4 yellow counters.How many zero pairs can you make?How many counters do you have after you remove the zero pairs? What do they represent

Answers

Answer:

36.75 and 1/6 ( 6 accounts equally distributed )

Step-by-step explanation:

Number of Red counters to be sketched = 9

Number of Yellow counters = 4

The number of Zero pairs that can be made = 36.75

When you remove the Zero pairs the number of counters you would have = 6 accounts ie. 1/6

Point A located at -11 and -7 on the coordinate plan is reflected over the X axis to form point B.Then point B is reflected over the y axis to form point C. What are
the coordinates of points B and C

Answers

Answer:

The coordinates of B are (-11,7)

The coordinates of C are (11,7)

Step-by-step explanation:

Reflection of Points

Given a point (x,y), it can be reflected in several ways. Two of the most-used are reflection over the x-axis and reflection over the y-axis.

When the point is reflected over the x-axis, the x-coordinate is unchanged, and the y-coordinate is inverted: (x,y) -> (x,-y).

When the point is reflected over the y-axis, the y-coordinate is unchanged, and the x-coordinate is inverted: (x,y) -> (-x,y).

Point A is located at (-11,-7). It's reflected over the x-axis to form point B whose coordinates are (-11,7).

Then, point B is reflected over the y-axis to form point C with coordinates (11,7).

The coordinates of B are (-11,7)

The coordinates of C are (11,7)

What is the percent increase ???? Help please

Answers

Answer:

25 percent increase

Step-by-step explanation:

im pretty sure

Logan owed his brother $7.50. For his birthday, Logan received $20 from his grandpa. After paying his brother back, how much money will Logan have?

Answers

Answer:

$12.50

Step-by-step explanation:

20 - 7.50=12.50

Answer:$12.5

Step-by-step explanation:

calculator


A car renting company charges $31 per day to rent a car along with a $50 one-time cleaning fee.
Enter an equation in y = mx + b form that shows the amount of money earned by the company, y, after x days.

Answers

Answer:

y=31x+50

Step-by-step explanation:

31 is how much it grows (slope) so it is the m and 50 is the b

Which points are separated by a distance of 5

Answers

Answer:

A

Explanation

6-1=5

3-3=0

0+5=5


If the vertex form of a
quadratic equation is y = (x -
7)^2-4, what are the zeros and
the coordinate of the y-
intercept? *

Answers

Answer: x = {5, 9} ; (0,45)

Need help ASAP!!!Thanks

Answers

Answer:1144.2 for question 5

Step-by-step explanation:

Find the slope of each line

Answers

1. is -1/3

2. is 3/4

3. i think its 4/3

4. is 2/3

•count rise

•over run

1) -1/3

2) 3/2

3) 4/-2 = 2/-1 = -2 (all are the same thing)

4) 2/3

4 1/2 × 4 3/4


jjnuhyhyhyhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

Answers

Answer:

21.375

PS:

I could get my calculator to make the product as a fraction if you want.

I need help on this one

Answers

Answer:13.7

Step-by-step explanation:

The question is asking us to build an algebraic model of this question, to do this, we need to use the slope intercept form.

Let's first identify the known data. We know that a pizza with two toppings is 9.95. In addition, we know that a topping itself is 1.25. We need to find the y intercept first in order to solve this equation, therefore we need to find how much a pizza his without the two toppings. So, we do 1.25(2)=2.5 and subtract it from 9.95. 9.95-2.5= 7.45. Now, this is our y intercept, because this will always stay the same and this is where we always start off. The slope itself however will be 1.25x, because x is the amount of toppings. So, as of now, we have constructed our equation

y=1.25x+7.45

We are looking to see how much a pizza is with 5 toppings, so we plug 5 into x

y=1.25(5)+7.45= 13.7

a research lab is to begin experiments with a bacteria that doubles every 4 hours. the lab starts with 200 bacteria. a. how many bacteria will be present at the end of 12th hour? b. how many bacteria will be present at the end of one day? please answer this​

Answers

Answer:

A) 1600 bacteria

B) 12800 bacteria

Step-by-step explanation:

We are told that the bacteria doubles every 4 hours.

Now, if the amount of bacteria is X, it means that for 4 hours, it becomes 2X and after 8 hours it becomes 2(2X)

For 12 hours, it becomes; 2 × (2(2X))

This means that for 12 hours, it becomes 2 × (2(2X)) = 8X

A) Since the lab starts with 200 bacteria, after 12 hours, it has;

N_12 = 8 × 200.

N_12 = 1600 bacteria

B) From above, we have seen that after t hours, where t is a multiple of 4, the number of bacteria is;

N_t = [2^(¼t - 1)] × (2X)

Where X is initial amount of bacteria.

Thus, after a day which is 24 hours, we have;

N_24 = 2^(¼(24) - 1) × 2X

N_24 = 2^(5) × 2X

Where X is 200, N_24 = 32 × 2(200) = 12800 bacteria

simplify the expression 4x+3 (5y+x)

Answers

Answer:

7x + 15y

Step-by-step explanation:

4x+ 3 ( 5y + x)

Step 1: remove the brackets by multiplying 3 with (5y + x)

4x+ 15y + 3x

Step 2: add the 4x and 3x

7x + 15y

Answer:

[tex]=7x+15y[/tex]

Step-by-step explanation:

[tex]4x+3\left(5y+x\right)[/tex]

[tex]3(5y+x)[/tex]

[tex]15y+3x[/tex]

[tex]=4x+15y+3x[/tex]

[tex]4x+15y+3x[/tex]

[tex]7x+15y[/tex]

[tex]=7x+15y[/tex]

y=6(x-7)(x+2) standard form

Answers

Answer:

y=6x^2-30x-84

Step-by-step explanation:

A store offers four different brands of a product. It decides to eliminate the brand that is most likely to be returned. The table shows the number of items of each brand that were returned over the past year and the total sold. which brand should the store eliminate? A. Brand A B. Brand B C. Brand C D. Brand D

Answers

The brand that the store should eliminate out of the 4 given brands using the data in the table is; Brand C

How to Solve Percentage Problems?

To find the brand that the store should eliminate we need to find the percentage of sold items that were returned and pick the highest percentage as the brand the store should eliminate.

Brand A percentage = 33/636 * 100% = 5.19%

Brand B percentage = 15/492 = 3.05%

Brand C percentage = 29/362 * 100% = 8.01 %

Brand D percentage = 32/767 * 100% = 4.17%

Brand C has the highest percentage and as such it is the brand that should be eliminated.

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whats -5 5/8 divided by -4 7/12 as a fraction?

Answers

Turn the mixed numbers into improper fractions:
-5 5/8 = - 45/8
-4 7/12 = - 55/12

Remember, when you divide by a fraction, you take its reciprocal and multiply it:
(-48/8) / (-55/12) = (-48/8) x (-12/55)

Simplify the fraction:
72/55

I think this is the answer.

find the vertex f(x)=2(x+14)^2-6

Answers

Answer:

(-14,-6)

Step-by-step explanation:

What is the Increasing Interval?

What is the Decreasing Interval?

What is the Maximum?

What is the Minimum?

What is the Axis of Symmetry?

Answers

Answer: The decreasing interval is

Step-by-step explanation:

Answer:

The decreasing interval is

Step-by-step explanation:

Which layer of a soil profile forms first from the bedrock?
A. A horizon. B.B horizon C.C horizon D. humus

Answers

The answer to the question is B horizon
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