Mathematics High School

Evaluate the expression -2x + 7 -x when x=9

Answers

Answer 1

Answer:

If x=9, you will need to plug in the nine anywhere there is an x in the equation

-2(9)+7-9      PEMDAS

-18+7-9

-11-9= -20

Step-by-step explanation:

Hope this helps!!

BTW...if y'all have any questions for school (it can be any grade level or subject) just comment here and I will get to it as soon as I can!! ❤

Related Questions

Write the first ten terms of a sequence whose first term is -10 and whose common difference is -2.

Answers

Problem:

Write the first ten terms of a sequence whose first term is -10 and whose common difference is -2.

Solution:

[tex] - 10 - ( - 2) = \boxed{ - 8}[/tex]

[tex] - 8 - ( - 2) = \boxed{ - 6}[/tex]

[tex] - 6 - ( - 2) = \boxed{ - 4}[/tex]

[tex] - 4 - ( - 2) = \boxed{ - 2}[/tex]

[tex] - 2 - ( - 2) = \boxed{0}[/tex]

[tex]0 - ( - 2) = \boxed{2}[/tex]

[tex]2 - ( - 2) = \boxed{4}[/tex]

[tex]4 - ( - 2) = \boxed{6}[/tex]

[tex]6 - ( - 2) = \boxed{8}[/tex]

Answer:

-10, -8, -6, -4, -2, 0, 2, 4, 6, 8

#CARRYONLEARNING

Plz helppp meee wallah I swear to god I will mark you as a brainliest and I will give you 20

Answers

Answer:

Step-by-step explanation:

Equation for the linear function has been given as,

y = 26 - 4x

For x = 1,

y = 26 - 4(1)

  = 26 - 4

  = 22

For x = 2,

y = 26 - 4(2)

  = 26 - 8

  = 18

For x = 3,

y = 26 - 4(3)

  = 26 - 12

  = 14

For x = 6,

y = 26 - 4(6)

  = 26 - 24

  = 2

Therefore, table for the function will be,

x               y

1              22  

2              18

3              14

6               2

Deshaun exercises no less than 40 minutes per day.
Use t to represent Deshaun's amount of exercise (in minutes per day).

Answers

Answer:

no

Step-by-step explanation:

yes

Fran prepared 200.2 grams of dough. How much dough did she use measured in ounces?

Answers

Answer:

7 ounces

Step-by-step explanation:

is the change constant or not?
If so how do you know?

Answers

Answer:

No, the change is not constant

Step-by-step explanation:

PLZ MARK BRAINLIEST

I can tell because it should be a constant of burning 125 calories burning every 2 blocks which makes it not constant throughout.

solve the inequality: n - 7 > -4

Answers

Answer:

n-7>-4

n-7+7>-4+7

n>-4+7

n>3

Answer:

Step-by-step explanation:

look the inequality is the variable. 7-4=3. That means n>3

-2 and 4
what is the slope intercept form

Answers

Answer:

y=4x-2

Step-by-step explanation:

15*\sqrt(72) (15 times root 72. I can't seem to enter a square root symbol)

Answers

Answer:

Step-by-step explanation:ok so if you want too  do the the root symbl on what

(-1/4x-2/3)-(1/2x+1/6) show work no troll answers mark brainlest.

Answers

Answer:

if you want it in standard form it would be −1/4x-1/2x-5/6

If you want it simplified it would be -3x/4-5/6

Step-by-step explanation:

(This is the best you'll get for 5 points)

I solved it on that screenshot I put it has it with all the work

Solve: 2(3x + 4) = 44

Answers

Answer: x=6

Step-by-step explanation:

Answer:

X = 6


Step-by-step:

2(3x + 4) = 44
Simplify both sides
6x + 8 = 44
Subtract 8 from both sides
6x = 36
Divided both sides by 6
X = 6

please help me ill give brainliest ​

Answers

Answer:

9

-5 - 7(-2)

-5 - (-14)

+9

The answer you are looking for is 9!

Please help! Shouldn’t take long hopefully

Answers

Answer:

i think its triangle

Step-by-step explanation:

im not  completly sure but i think the triagnle is the one cross secting the cube

Melanie needs 5,000 chocolates for an event so far she has brought 2 cases of 1,125 chocolates each how many more does she need

Answers

Answer:

2750 chocolates

Step-by-step explanation:

Find how much she has bought already:

1,125(2)

= 2,250

Then, subtract this from 5,000

5000 - 2250

= 2750

So, she still needs 2750

Answer:

2,750

Step-by-step explanation:

2 cases of 1,125 chocolates = 2,250 chocolates

5,000 - 2,250 = 2,750 more chocolates needed

(that's also 3 cases of chocolates needed :p)

please help me out 1 question bellow about angles ty

Answers

The answer is b corresponding angles are supplementary

A population of 752,000 people decreases at a rate of 1.4% each year. To the nearest whole number , what will be the population after 18 years?

Answers

Answer:

562496

Step-by-step explanation:

I think

what is it called when two lines intersect

Answers

Answer:

The point where the lines intersect is called the point of intersection. If the angles produced are all right angles, the lines are called perpendicular lines. If two lines never intersect, they are called parallel lines.

Kelley opens a bank account to save for a down payment on a car. Her initial deposit is $250 and she
plans to deposit 10% more each month. Kelly's goal is to have $2,000 in the account after six months.
How much money, in dollars and cents, will Kelley have saved after six months?

Answers

Answer: 1928.90

Step-by-step explanation:

Could you find out what 352-322

Answers

Answer:

30

Step-by-step explanation:

Answer:

30

Step-by-step explanation:

your welcome.

Lorenzo runs marathons, which are about 26 miles long. He usually runs 4 marathons a year, and he has been doing this for 11 years. Lorenzo estimates he has run a little over 100 miles during all these marathons. Is that a good estimate?

the answer options:

*yes
*no its much too low
*not its much too high

Answers

Answer:

no to low he ran 1144 miles in 11 years

geometry retake pls help!!!

Answers

Answer:

∠D

∠EDC

∠CDE

Step-by-step explanation:

those are the only ways I can think of, I hope that helps :)

IM RUSHING THIS IS A TEST. SOMEONE DO THIS PLEASE. - GIVING BRAINLIEST

Answers

Answer:

Gum is 6 Q 1 D 1 N Raspberries is 12 Q 1 N 1 D

Step-by-step explanation:

2. 6x + 29 = 5 (1 point)
-4
-18
204
-144​

Answers

Answer:

x = -4

Step-by-step explanation:

6x + 29 = 5

     +29      -29

------------------------

6x = -24

÷6      ÷6

---------------

x = -4

6(-4) = -24 + 29 = 5

The answer is 4 , hope this helps

choose all the values of a that make the following equation true= 3/4 = a/36​

Answers

Answer:

a = 27

Step-by-step explanation:

3/4 = a/36                  Cross multiply

4*a = 36*3                  Combine the right

4a = 108                     Divide by 4

4a/4 = 108/4

a = 27

so for translation when it says to move up 6 how do I solve that (ex. -6, -10)

Answers

Answer:

Well, the y axis is the up and down line of the graph. Therefore, if the translation says move up six, simply add six to the y axis (ex. -6, -10 move up six: -6, -4)! super simple, right? hope this helps!

[tex]\frac{n}{7}[/tex] - 12 = 5n + 5

I need to show my work, please.

Answers

Answer:

n= -3.5

Step-by-step explanation:

n/7 - 12 = 5n +5

+12            +12

n/7 = 5n+17

*7      *7

n = (5n+17)*7

n = 35n + 119

-35n    -35n

-34n = 119

/-34     /-34

n = -3.5

Need help on number 12 not 11 plz help

Answers

A is the correct answer.

If raw material is %30 ($480) than the 2 %15 have to equal $480 also. So you have $480 and $480 to get $960 than your %40 should equal $640. All of those added together equal 1,600.
a is the correct answer

Find the slope of the line
8 – 7x = 4y

Answers

Step-by-step explanation:

y = mx + c

8 - 7x = 4y

4y = 8 - 7x

y = (8 - 7x)/4

= 2 - 7/4x

y = -7/4x + 2

Slope = m = -7/4

Answer:

slope = - [tex]\frac{7}{4}[/tex]

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

8 - 7x = 4y, that is

4y = - 7x + 8 ( divide all terms by 4 )

y = - [tex]\frac{7}{4}[/tex] x + 2 ← in slope- intercept form

with slope m = - [tex]\frac{7}{4}[/tex]

Solve for the last missing side any way you'd like.

55°
10
35°
8.2

Answers

Answer:

12.2

Step-by-step explanation:

Let C be the last angle c + 55° + 35° = 180° (sum of angles in a triangle)

C + 90° = 180°

C = 180° - 90°

C = 90°

Let c be the last side

Using the sine rule a/sinA = b/sinB = c/sinC

Using any of the other two sides,

10/sin55° = c/sin90°

c = 10/sin55° × sin90°

c = 10/0.8192 × 1

c = 12.21

c ≅ 12.2

I need help with this please ​

Answers

Answer:

Ok I'll help ya out

Here you go

Don't forget to give thanks

At galaxy car wash, they can clean 76 cars in 4 hours. At this rate how many cars can they clean in 14 hours? ILL GIVE BRAINLIEST

Answers

Answer:

Step-by-step explanation:

If you multiply the ratio you should get 304 cars.

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