Evaluate 2+x-2x7 for x=7

Answers

Answer 1
The answer is -5. Hope it helped!

Related Questions

someone to give me the answer to this ...? please!

Answers

Answer:

1.

a. x = 2

b. x = 6

c. x = 5/4 or 1.25

2. You have to do it on your own. sorry!

3. slope  = +3

4. y = 1/3x + 4

5. y = 2x + 3

6. pattern = +8

39, 47, 55

7.You have to do it on your own. sorry!

8. You need a protractor so I am guessing

a.60*

b.95*

c.145*

Step-by-step explanation:

Have a nice day! :-)

5/6+(-4/9)-(-2) help please

Answers

Answer:

43/18

Step-by-step explanation:

Hope this helps

Answer:43/18 or 2 7/18 or 2.38

Step-by-step explanation:5/6-4/9+2

5. Find the measure of the missing angle.
40°

Answers

50°

Step-by-step explanation:

40° + 90° + ? = 180°

130° + ? = 180°

? = 180° - 130°

? = 50°

Answer: 50 degrees

Step-by-step explanation: The interior angles add up to 180.

1. 40 + 90 + ? = 180

     130 + ? = 180

   -130         - 130

            ? = 50

If three dice are rolled, what chance is there
of throwing a total of 3?

Answers

Answer:

Just as one die has six outcomes and two dice have 62 = 36 outcomes, the probability experiment of rolling three dice has 63 = 216 outcomes. This idea generalizes further for more dice. If we roll n dice then there are 6n outcomes.

We can also consider the possible sums from rolling several dice. The smallest possible sum occurs when all of the dice are the smallest, or one each. This gives a sum of three when we are rolling three dice. The greatest number on a die is six, which means that the greatest possible sum occurs when all three dice are sixes. The sum of this situation is 18.

When n dice are rolled, the least possible sum is n and the greatest possible sum is 6n.

There is one possible way three dice can total 3

3 ways for 4

6 for 5

10 for 6

15 for 7

21 for 8

25 for 9

27 for 10

27 for 11

25 for 12

21 for 13

15 for 14

10 for 15

6 for 16

3 for 17

1 for 18

Find an equation of the straight line that is perpendicular to the straight line x+2y=5 and that passes through the point (3,7)

Answers

Answer: y = 2x + 1

Step-by-step explanation:  

Rewrite the equation in standard form:

x+2y=5

2y = -x + 5

y = -(1/2)x + (5/2)

A line perpendicular to this would have a slope that is the negative inverse of the reference line slope, -(1/2), here.  The new slope would be 2.  The y-intercept, (5/2), will change, so we'll just use b for the new y-intercept, and calculate it later:

y = 2x +b

We know that point (3,7) lies on the new line (it is a solution to the equation), so we can use this point to find the new y-intercept, b.

7 = 2*3 + b

b = 1

The perpendicular line is y = 2x + 1, and goes through point (3,7)

How do I get the x and y intercepts to graph this equation?

Y=-1/2x-3

Answers

Answer: x intercept is (-6,0) and y intercept is (0,-3)

Step-by-step explanation: the y intercept is when x=0. the x intercept is when y=0.

to solve this for the y intercept, we set x=0 in the equation y=-1/2x-3. so it would be y=-1/2(0)-3 therefore y= 0-3 and y=-3. the y intercept is (0,-3)

to solve for the x intercept, we set y=0. we plug it into the equation y=-1/2x-3 so 0=-1/2x - 3. this means we can change the sign of -1/2x from negative to positive and move it to the other side. so 1/2x=-3 to solve for x, we divide both sides by 1/2 so x=-6. so the x intercept is (-6,0)

for questions 6-9 fill in the missing values on the doubled number line

Answers

Answer:

3

Step-by-step explanation:

Which of the following shows the factors of the polynomial f (x) = x^3 -11x + 6 , if one of those factors is x - 3

a. x - 3 is not a factor and there are no correct answers
b. f(x) = (x -3) ( x^2 - 8x - 18)
c. f(x) = (x -3) ( x^2 + 3x - 2)
d. f(x) = (x -3) ( x^2 - 3x^2 - 2x+12)

Answers

Answer: f(x)=(x-3)(x^2+3x-2)

Step-by-step explanation:

how fast do you have to go travel the speed of light

Answers

Answer:

About 186,000 miles per second.

Step-by-step explanation:

Chealsea has 7/8 pound of butter to make icing. Each batch if icing needs 1/4 pound of butter. Write and solve an equation that models the situation. Then interpret the quotient

Answers

Answer:

Chelsea can make 3 [tex]\frac{1}{2}[/tex] batches of icing with 7/8 pounds of butter.

Step-by-step explanation:

7/8 ÷ 1/4  (reciprocate 1/4 to replace division sign with multiplication sign)

= 7/8 x 4/1

= 28/8

= 7/2

= 3 [tex]\frac{1}{2}[/tex]

This means that Chelsea can make 3 [tex]\frac{1}{2}[/tex] batches of icing with 7/8 pounds of butter.

I hope this helps :)

Help with this please

Answers

Answer: B

Step-by-step explanation: u have to simplify the 36 and the 12

What are the correct answers to this geometry question?

Answers

Answer:

x = 9

AB = 9

BC = 15

Step-by-step explanation:

x + x + 6 = 24

2x + 6 = 24

2x = 24 - 6

2x = 18

x = 18 / 2

x = 9

AB = x = 9

BC = x + 6

= 9 + 6

BC = 15

How would the possible x values change if
Samantha had to pay $7.50 each month instead of
$15 every two months? How would the graph
change?

Answers

The x value would go down 7.50

Find the value of x.

A) 8
C) 6
E) 11
B) -9
D) -11

Answers

It’s E as if you subtract as it is a triangle and has three sides
D. This is an equilateral triangle. So all the sides are equal.
X+19=8
X=8-19
X=-11

Volume of this prism

Answers

Answer:

188cm³

Step-by-step explanation:

4(5y-2) = 40

what is y?

Answers

Answer: 4(5y−2)=40

Divide both sides by 4.

5y−2=  

4

40

 

Divide 40 by 4 to get 10.

5y−2=10

Add 2 to both sides.

5y=10+2

Add 10 and 2 to get 12.

5y=12

Divide both sides by 5.

y= 12/5 or 2.4 please give brainliest

Step-by-step explanation:

Write an equation of the line, in point-slope form, that passes through the two given points.

points: (-1, 8), (1, 4)
Select one:

a.
y = -1/2 x-3 fraction

b.
y = -1/2 x + 9

c.
y = -2x + 6

d.
y = -2x + 22

Answers

Answer:

y=56 deth twc rcrrkb scfd rzgwv3ex. ewc rs esz gbs Sbes hwje

How do you determine the domain of a function ?

Answers

Answer:

Let y = f(x) be a function with an independent variable x and a dependent variable y.

If a function f provides a way to successfully produce a single value y using for that purpose a value for x then that

chosen x-value is said to belong to the domain of f. If there is a requirement that a y-value produced by a function

must be a real number, the following conditions are commonly checked:

1. Denominators cannot equal 0.

2. Radicands (expressions under a radical symbol) of even roots (square roots, etc)  

cannot have a negative value.

3. Logarithms can only be taken of positive values.

4. In word problems physical or other real-life restrictions might be imposed, e.g. time is  

nonnegative, number of items is a nonnegative integer, etc.

Answer:

the domain is a set of all possible numbers inputs for that function, THe range is all the possible output numbers

i hope this helps

The Peyton family stayed in a hotel room for 5 nights while on vacation. The total cost before tax was $1,075. If the hotel room tax rate in the city is 14%, what was the total cost for the hotel room?

Answers

Answer:

1225.50

Step-by-step explanation:

14% of 1075 =0.14 x 1075=150.5

1075 +150.5 = 1225.5

The 14% of $1075 is $150.5 thus the total cost for the hotel room overall 5 nights including tax will be $1225.50.

What is the percentage?

The percentage is defined as a given amount in every hundred. It is a fraction with 100 as the denominator percentage is represented by the one symbol %.

The percentage is also called the indicating hundredths. Thus, 2% is two-hundredth, which means 2%=2/100=0.02.

As per the given,

The total cost before tax was $1,075.

The tax rate is 14%

14% of $1075 will be,

(14/100)1075 = $150.5

Total cost includes tax = $1075 + $150.5 = $1225.50

Hence "The 14% of $1075 is $150.5 thus the total cost for the hotel room overall 5 nights including tax will be $1225.50".

For more about the percentage,

brainly.com/question/13450942

#SPJ2

a box of cereal states that there in 93 calories in 1/4 cup serving. What is the unit for calories per cup? How many calories are there in two cups of the cereal?​

Answers

Answer:

372 calories per cup

744 calories in two cups

Step-by-step explanation:

unit rate: (per cup)

93*4= 372

In two cups:

372*2= 744

Hope this helps!

PLEASEEE HELPPPPPn nxndhdndjd

Answers

Answer:

In a total triangle, there are 180 degrees.

So we add the given degrees and add a variable(our unknown value) to make it equal 180

65 + 57 + X = 180

add like terms

122 + X = 180

inverse property of addition is subtraction

-122       -122

X = 58 degrees

Answer:

The answer is 58.

Step-by-step explanation:

65+57=122

180-122=58

Write the equation of the line with the given slope, m, and y-intercept, m= 7/4 b = -3

Answers

Answer:

y = 7/4x - 3

Step-by-step explanation:

y = mx + b

y = 7/4x - 3

PLEASE HELP I"M ON A TIMER!!!!!!
Δ RST ≅ ΔLMN
What are the values of m∠R and LM?
Enter your answers in the boxes.
I will mark BRAINLIEST!!!

Answers

Answer:

R=30 degrees Lm=6(square root of 3)

Step-by-step explanation:

R=L

LM=SR

Points cause i need help with math! so here u go and thanks everyone for the math help!!! here is my gratitude lol!

Answers

Answer:

the systems of equations corresponding to the given solutions, in order

Step-by-step explanation:

the sum of person x and person y is 2640. if person x's income is 20% more than person y, find person x's income.
please answer fast fast plssssss as soon as possible​

Answers

Answer:

I do not understand she question do you mean the sum of their income is 2640

if so, then the answer is 440 to be x income

Step-by-step explanation:

x income = 20% or 1/5 of y income

y income = 5 of x income

we know that the sum of their income = 2640

which means that

x + y = 2640 =

1/5y + y = 2640

6y/5 = 2640

cross multiply to give us

6y = 5(2640)

6y = 13200

divide through by 6 to give us,

6y/6 = 13200/6

y = 2200

since we know that x income is 20% y income,

therefore, x income =

20/100 * 2200

= 440

therefore,

x income = 440

y income = 2200

Answer:

1440

Step-by-step explanation:

The equations to reflect the given:

x + y = 2640x = y + 20% ⇒ x = 1.2y

Substitute the value of x into first equation and solve for y:

1.2y + y = 26402.2y = 2640y = 2640/2.2y = 1200

Find x:

x = 2640 - 1200 = 1440

Which is the correct label of the parallel lines?

Answers

Answer:

[tex]a||b[/tex]

The reason is that lines a and b are parallel.

The ratio of hotdogs to hamburgers sold at the picnic was 3:4. If 98 dinners were sold, how many were hamburgers?

Answers

Answer:

56 Burgers

Step-by-step explanation:

First, add the 3 + 4 for a total of 7, because the total of the ratio will equal the total amount of "the dinners sold".

Then divide 98/7, which will give you 14.

Then in the ration 3:4, 4 represent burgers so multiply 14 x 4.

Which gives you 56 burgers.

Hope This Helps

The bus fare in a city is $2. People who use the bus have the option of purchasing a monthly discount pass for $39. With the discount pass, the fare is reduced to 0.50. Using this information, complete parts​

Answers

Answer:

ANSWER.  18 times.

Step-by-step explanation: I think so

it’s 18 times, hope this helps you.

Explain how you could buy the total number of points the team has all together

Answers

Answer:

Just count them

Step-by-step explanation:

If 95 students out of 250 students choose adventure as favorite movie what is that percentage

Answers

35% this is the awesome I’m just filling

Answer:

38%

Step-by-step explanation:

38% of 250 = 95

How to solve it:

[tex]\frac{38 * 250}{100} =95[/tex]

Other Questions
Please help! Which statement about Johannes Gutenberg is true?A. He served as the head of the powerful weavers' guild in the German city-state of Augsburg.B. He invented a printing press with moveable type and used it to make copies of the Bible.C. He developed a new method of glassmaking that remained a closely guarded secret for centuries.B. He proposed a new educational program that became known as humanism. Find the value of x using the figure to the right. why should you never place a hot object on the pan of a balance what is 1/3x+10=3/4x+5 which statements best describe the relationship between political machines and local communities in the late nineteenth century? Select two correct answers. APolitical machines worked with labor unions to expand their influence in local communities.B Political machines emerged among immigrant groups in rural communities.C Political machines used a system of patronage to gain the support of voters and their communities. D Political machines provided aid to urban communities in exchange for votes. E Political machines worked with voters to eliminate corruption in government. Which are the coordinates of Jefferson High School's Parking Lot B?(-4, 3)(-4,-3)(-3,-4)(-3, 4) Look at the angle. Which description is true why was jane addams against entering world war 1? more questions to follow. Why is it important to know which is your dominant eye? PLEASE HELP!!! WILL GIVE BRAINLIEST!!!!! The HACCP system begins when the food isand ends when the food isAnswersthawed and cookedBdelivered to the store and served to the Guestprepared and served to the GuestDdelivered and prepared A hormone signals through a G protein-coupled receptor as shown in the diagram. After the production of IP3, which of these events will MOST quickly stop the transduction of the signal?A. the hydrolysis of IP3B. the hydrolysis of GTPC. the hydrolysis of PIP2D. the hydrolysis of the hormone ALGEBRA Ishiro Murakami has $15.60 deducted weekly forfamily medical insurance. His employer pays 85% of the cost.What is the annual premium? what is the difference between true north and magnetic north called? How will you make sure that everyone will take part in protecting the island? 11. Find the value of r so that the polygons have the same perX+4x + 5x + 3X-2X+4(Just solve 11. Pleaaase!) what is the first layer of hair that is cut by scissors when receiving a hair cut? 1/2x-1/4y=10 1/8x-1/8y=19 which ordered pair (x,y) satisfies the system of equations abovea) (-122,264)b) (64,88)c) (232/3, 224/3)d) (288,536) 0.0133 rounded to the nearest tenth Evaluate.(a2b)3 when a=3 and b=1/2Enter your answer in the box.