given the function f (x) = 2(x + 4), find x if f (x) = 20

Answers

Answer 1
20 = 2(x + 4)
20 = 2x + 8
2x = 12
x = 6
Answer 2

Answer:

x=6

Step-by-step explanation:

f(x)=2(x+4)

20=2(x+4)

10=x+4

6=x

x=6


Related Questions

Which system of inequalities can model Gabrielle’s situation, where x represents batches of brownies and y represents batches of cookies?

Answers

Answer:

2x + 2y ≤ 20

x + 3y ≤ 2

Step-by-step explanation:

this is the correct answer i got on my assignment-------

The system of inequalities can model Gabrielle’s situation is x + 2y ≤ 20

and 3x + 2y ≤ 21.

What are inequalities?

The relation between two expressions that are not equal, employing a sign such as not equal to’, >greater than’, or < less than’.

It follows from the task content, that the inequalities which can be used to model Gabrielle's situation be determined.

By setting variables as follows; batches of brownies = x and batches of cookies = y

Brownie:

Sugar = 1 cup

Eggs = 2

x + 2y ≤ 20

Cookie:

Sugar = 3 cups

Eggs = 2

3x + 2y ≤ 21

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Gabrielle is baking large batches of brownies and cookies to share with her friends and family. Among other ingredients, her brownie recipe calls for 1 cup of sugar and 2 eggs and her cookie recipe calls for 3 cups of sugar and 2 eggs. Gabrielle has 20 eggs and 21 cups of sugar, and she would like to know how many batches of brownies and cookies she can bake without getting more of these ingredients. Part A Question Which system of inequalities can model Gabrielle’s situation, where x represents batches of brownies and y represents batches of cookies?

The area of the rectangle flower bed shown is
20.4 square meters. How many meters of edging are needed to go around the flower bed?

Answers

Answer:

I think 5.4

Step-by-step explanation:

Take it and divide by the number of sides

The Perimeter of rectangle is 27.4 m

What is Area of rectangle?

The area of rectangle is product of its length to tis width.

So, Area of rectangle = length  x width

Given:

Area of the flower bed = 20.4 square meters.

length = 12 m

As a rectangle, its area be

A = l x w

20.4 = 12 w

w= 20.4/ 12

w= 1.7

Now, Perimeter of rectangle

= 2( l + w)

= 2( 12+ 1.7)

= 27.4 m

Hence, the Perimeter of rectangle is 27.4 m

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Am I correct on this ?

Answers

The answer is -7!!!!  can you help me too???? im stuck on one problum!!!

:D

The ratio of boys and girls in Mrs specks s class is 2 of 3 There is 18 girls what is the total number of students in Mrs.specks class HELP PLZ I WILL GIVE YOU THE BBRAINLYEST

Answers

Answer: 30 students in total

Step-by-step explanation: 2x+ 3x is 5x right. The 18 girls are the 3x. That means the 6 people is 1x. If there are 5 x people in total that means that there are 30 students

What is the answer for 2/5x5/8 ?

Answers

It would be 1/4 because you would change them to a common denominator then simply them and you get 1/4

use an identity to solve the equation on the interval [0,2pi) sin x cos x = -1/4 x=

Answers

Answer:

The solution of the given equation is    x = 105 °∈ ( 0 , 2pi)

Step-by-step explanation:

Step(i):-

Given equation is sin x cos x = -1/4

                           [tex]2(2sinxcosx) = -1[/tex]

we know that trigonometry formula

                             2 sin x  cos x = sin 2x

                            2 ( sin 2 x) = -1

                                sin2x = -1/2

Step(ii):-

                            sin2x =    [tex]\frac{-1}{2} = sin (\pi +\frac{\pi}{6}[/tex]

                 sin2x = sin 210                       2x = 7π/6                       2x = 210°                                x = 105 °The solution of the given equation is    x = 105 °∈ ( 0 , 2pi)

Can some please help me with this one it would be much appreciated

Answers

πAnswer:

Therefore, the area of a sector of a circle would be 13.5π square units.              

Step-by-step explanation:

Given

[tex]r=9[/tex] miФ = 60°

The area of a sector of a circle is:

A = π r² Ф/360

A = π (9)² 60/360

A = π 81 * 1/6

A = 13.5π square units

Therefore, the area of a sector of a circle would be 13.5π square units.                        

What is the slops of the line passing through (-1, 2) and (-3, -2)? PPPPLLLZZZ HELP!!!!
A. 2
B. -1/2
C. 1/2
D. -2

Answers

Answer:

A. 2

Step-by-step explanation:

Count the steps to get to the both points.

From (-3, -2) to (-1, 2), it gets up by 4 and move to the right by 2.

Rise ÷ Run = 4 ÷ 2 = 2

Answer:

I think it's D

Step-by-step explanation:

because it's same to another one so D only

Eighty percent of students surveyed said they feel more focused after exercising. Nine hundred fifty students were surveyed. How many students said they feel more focused after exercising? 380 570 760 930

Answers

Answer:

760

Step-by-step explanation:

Answer:

760

Step-by-step explanation:

A car salesperson earns a 5.8% commission on every car sold. How much commission will the salesperson earn on the sale of a $28,400 car? *

Answers

Answer:

1647.20

Step-by-step explanation:

You do .58 times 28,400. Then you move the decimal place over 1 place to the left. Because it is already 5.8%

1647.20 I believe!! Hope this helps!

This is for someone that i was suppost to give brainliest to lol

Answers

Answer:

ok does that mean me dont get brainliest

Step-by-step explanation:

I feel it could be AAS since both angles could be alternate interior but it could also be SAS so could someone help please?

Answers

Answer: D) Side-Angle-Side  (SAS)

Check out the diagram below. Note the color coding to see how the angles and sides correspond to the given information. We aren't given RT = RT, but we use the reflexive property in this case. The angles are between the sides so we use SAS.

We don't have enough information to determine anything about the other angles, so we cannot use AAS or ASA. Also, recall that SSA is not a valid congruence theorem. Luckily the angle is between the sides so we don't have to worry about SSA.

-4q= 52
HELP!!!!!!!!!!!!!!!!!!!!!
Algebra 1

Answers

hi

-4q= 52

   q = 52/ -4

    a =  -13

Answer:

-13

Step-by-step explanation:

-4q=52

divide both side by -4

-4q/-4=52/-4

q=-13

PLEASEEEEEEEEEEE HELP MEH WILL GIVE BRAINLIST PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE HURRYYYYYYYYYY

Answers

Answer:

the awnser is b

.........

complete the sequence:1,1,2,3,5,_,_,_

Answers

Answer:

8,13,21

Step-by-step explanation:

Basically,add the previous number to next number

Answer:8,13,21

Step-by-step explanation:

IQ test scores are standardized to produce a normal distribution with a mean of = 100 and a standard deviation of = 15. Find the proportion of the population for the following IQ score. For your answer, convert each proportion into a percentage whose value is computed to 2 decimal places. Sketch a distribution to help you visualize the problem. IQ score greater than 135

Answers

Answer:

0.01

Step-by-step explanation:

Using the z score formula

z = (x-μ)/σ,

where x is the raw score = 135

μ is the population mean = 100

σ is the population standard deviation = 15

z = 135 - 100/15

z = 2.33333

P-value from Z-Table:

P(x<135) = 0.99018

P(x>135) = 1 - P(x<135)

P(x > 135) = 1 - 0.99018

= 0.0098153

Approximately to 2 decimal places

= 0.01

Therefore, the proportion of the population for the following IQ score of 135 is 0.01

To find 7% of a total you can multiply the total by
(1) 7 (3)
(2) 0.7
(3) 7/10
(4) 0.07

Answers

2.
You make 7% into a decimal and then multiply the total by 0.7

A food truck used 6 cartons of boxes for the dinners they sold yesterday. There are 24 boxes in a carton. Each dinner uses one box and costs $11. How many boxes did the food truck use yesterday? What was the total amount of money they made from selling dinners?

Answers

Answer:

$1584

Step-by-step explanation:

My first answer got deleted because it was incomplete or something.

Just multiply 6x24x11 and you'll get the answer.

PLEASE HELP. use the information provided to write the equation of each circle . i will give brainliest!

Answers

Answer: 16. C  17. A  18. A  

19  You got this! There is only one answer with the correct radius squared!

Step-by-step explanation:

For the coordinates of the center, flip the signs in the parentheses.

For the "=output": in the equation, square the given radius.

Center: (-14.4) the signs in (x + 14)²+(y - 4)² are the opposites.

Radius given: 2  Square it to get the =4

The square shown has sides of length 6z^7 decimeters. Find it’s area

Answers

Answer:

49z^10 dm^2

Step-by-step explanation:

please help will give brainlyest again

Answers

Answer:

8

_

12 I think

that's it it you can cross multiple it will be 7/10

f(1) = 6 f(n) = f(n – 1) – 5 for integer values of n > 1

Answers

look it up lol thats what i di

What is the value of the expression 3/19 7/2

Answers

Answer:

It is 2/15

Step-by-step explanation:

[tex]\frac{3}{19\frac{7}{2} } =\frac{3}{\frac{45}{2} }\\=\frac{2}{15}[/tex]

Dont know if this helps but here you go :)

if there are 362 men and 73 women what percentage of women are there

Answers

Answer:

16.78%

Step-by-step explanation:

Total = men+women

= 362+73 = 435

Percentage: 73/435 × 100

= 16.78%

Answer:

20%

Step-by-step explanation:

Use 362 as 100% since it is the output value and use 73 as a x value then put them into the equation 100%/x% = 362/73 then flip the equation x%/100% = 73/362

Given g(x)=−x−4, find g(5)

Answers

Answer:

-9

Step-by-step explanation:

Plug it in

g(x)=-x-4

g(5) meaning that x=5

Thus,

-5-4=-9

Hope it find it helpful :)

Answer:

-1

Step-by-step explanation:

Given g(x) = -x + 4, find g(5)

g(x) = -x+4

g(5) = -(5) + 4          Plug input into x

-5 + 4                       Negate

-1                              Add

Witch expression converts 100 inches per minute to feet per minute

Answers

100 inches divided by 12 inches which equals 8.3333 feet per minute

Given a cylinder with a volume of 502.4 in3and radius 4 in. Find the height of the cylinder.

Answers

Answer:

h = 9.99in

Step-by-step explanation:

...

Help me pleaseeeee:(((

Answers

Answer:

1.25

Step-by-step explanation:

if you paid 7.50 for 6 feet of rope we can figure out how much each foot of rope is by example 750 divided by 6 which equals 1.25 .

Answer:

$62.50

Step-by-step explanation:

Proportions:

$7.50 ⇔ 6ft

$R ⇔ 50ft

R = 7.5*50/6

R = $62.5

what is principal in simple intrest​

Answers

You have to pay extra money when you pay it back after you borrow it.So interest is: the amount of money you pay back on top of the original money you borrowed. The meaning of the word principal is: the original amount of money you borrowed.

Find the circumference of a circle whose
area is 49pi sq units.​

Answers

Answer: C=2πr

r Radius

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