Mathematics College

PLEASE HELP.................................................

PLEASE HELP.................................................

Answers

Answer 1

Answer:

C. 4x² + 3x/2 - 7

Step-by-step explanation:

Given:

f(x) = x/2 - 3g(x) = 4x² + x - 4

Find (f + g)(x):

(f + g)(x) = f(x) + g(x) = x/2 - 3 +  4x² + x - 4 = 4x² + 3x/2 - 7

Correct choice is C

Answer 2
f(x)=x/2-3=x-6/2

[tex]\\ \tt\longmapsto (f+g)(x)=f(x)+g(x)[/tex]

Put values

[tex]\\ \tt\longmapsto \dfrac{x-6}{2}+4x^2+x-4[/tex]

[tex]\\ \tt\longmapsto \dfrac{x-6+8x^2+2x-8}{2}[/tex]

[tex]\\ \tt\longmapsto \dfrac{8x^2+3x-14}{2}[/tex]

[tex]\\ \tt\longmapsto 4x^2+\dfrac{3}{2}x-7[/tex]

Related Questions

A room is 14 yards by 18 yards. Find the cost to carpet this room if carpet costs $2.30 per square yard

Answers

Answer:

$579.60

Step-by-step explanation:

First, we need to find the area of the (floor) of the room.

Area = Length * Width

We can plug in the given values into the equation.

Area = 14 yd * 18 yd

Area = 252 yd²

We can set up a conversion factor to see how much it costs to carpet the room...

[tex]\frac{\$2.30}{1 \ yard^2}*252 \ yards^2[/tex]

Cancel out the yd²...

$2.30*252=$579.60

The answer is $579.60 your welcome and thanks to the other user.

Brainliest if correct

Answers

Answer:

-3

(negative 3. ) in word form

Since they give you a value, n = 4, we will plug in that value into the overall equation.

(4)^2 - 11

16 - 11 = 5

So, our final answer is 5!

I need help now pls

Answers

Answer:

22/10 or 11/5

Step-by-step explanation:

There are two (2) whole and two tenths (2/10).

You have to multiply the 2 whole by the denominator and add it to the numerator.

Step by step:

1) 2 and 2/10

2) (2*10) = 20

3) add 20 to 2, then put it on the /10

4) 22/10, then reduce the fraction

5) 11/5

Final answer: 11/5

PLEASE HELP 4 3/5+7 8/15

Answers

Answer:

Step-by-step explanation:

4 3/5 ---> 23/5

7 8/15---> 113/15

23*3/5*3=69/15

113/15+69/15=182/15---->12 2/15

If P(E) = 0.32, then what are the odds against E?

Answers

Answer:

0.68 : 0.32

Step-by-step explanation:

the probability of all the outcomes of an event is always 1 .

if P(E) = 0.32,

P(E') = 1 - 0.32

= 0.68

N.B that P(E') is the same as P( not E ).

since your answer should be given in the ratio form, as the odds against E ( probability not E : probability E),

P(E') : P(E)

0.68 : 0.32

hope this helps you!

-s.

Find the area of the shaded region.

Answers

the área of the shaded region is 450

i dont know how to do this I will give brainleist

Answers

Answer:

y = x+14

Step-by-step explanation:

At x =0 y is 14. The pattern of y is 14 greater than x continues.

Answer:

y=x+14

Step-by-step explanation:

Each of the x numbers are being added to 14 to get the y number.

Let us check if this is the answer:

the first numbers in the table are 0 and 14

0 plus 14 equals 14.

Now the next two numbers on the table:

1 plus 14 equals 15

And one more:  the third numbers on the table:

2 plus 14 equals 16

video explaining this-watch it, it is short and easy to understand:

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-x-and-y-intercepts/v/finding-intercepts-for-a-linear-function-from-a-table

HELP!!! The graph shows the relationship between the distance that a snail crawls and the time that it crawls. What numbers will correctly complete the table below?​

Answers

Answer:

its c because i took the quiz

Step-by-step explanation:

I took the quiz

Someone tell me the answer

Answers

Answer: 6:1

Step-by-step explanation: you’re welcome

Three friends went apple picking and then counted the apples they picked.
Who has the largest red to green apple ratio? Use original complete sentences.

!! WILL GIVE BRAINLIEST IF CORRECT !!

Answers

Answer:

Carmen has the biggest red to green apple ratio

Step-by-step explanation:

Red to green apple ratios are, in order, 20:12, (5:3), 12:10 (6:5), and 16:20 (4:5). 5:3 is the biggest red to green apple ratio because for every 5 red apples Carmen has 3 green apples.

Carlos is on the swim team. Each week he swim a total of 2000 meters. How many kilometers does he swim each week?

Answers

Answer:

2 kilometers

Step-by-step explanation:

1000 meters = 1 kilometer

2000 meters = 2 kilometers

If you need to setup a conversion

[tex]\frac{2000m}{1}[/tex] × [tex]\frac{1km}{1000m}[/tex]

The meters cancel

[tex]\frac{2000km}{1000} \\[/tex]

Reduce

2 km

b. Cai thinks of the area of the poster as the sum of the areas of the three separate sections. Write an expression that represents Cai's way of thinking. What does Cai's expression let you see about the layout that Brett's expression does not?​

Answers

On solving the provided question, we can say that Cai's thinking expression will be area of the poster k = Ax Bt +Cz => K = x² + lb + 1/2wm

What is Expression?

An expression is combination of variables, numbers and operators.

Cai's thinking expression will be.

The three sections are of different shapes which includes a square, rectangle and a triangle.

The area of square is side times of side= x²

The area of rectangle is length times of breadth (lb)

The area of triangle=1/2length times of breadth(1/2lb)

Area of the poster k = Ax+By+Cz

Ax = x²

Bx = lb

Cz = 1/2wm

K = x² + lb + 1/2wm

Hence, Cai's thinking expression will be area of the poster K = x² + lb +1/2wm

To learn more on Expressions click:

https://brainly.com/question/14083225

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I really need help it worth a lot of points

Answers

I think it's C, sorry if it isn't!

What inequality is represented by this graph?
1
2
3
4
5 6 7 8
9
O x>6
O x56
O x <6.
O x26

Answers

Answer: Choice C

x < 6

This is because there is an open hole at 6, meaning we exclude it from the solution set. Stuff to the left of 6 (ie smaller than 6) is shaded, which is why we go for x < 6

The inequality represented in the given graph is x < 6.

Given is a number line where an inequality is marked.

We have to find the inequality which represents in the number line given.

Here, a graph or a number line where the numbers are marked from 1 to 9 is drawn.

A blue line is drawn prior to the number 6. So the inequality sign is "<".

An open circle is over the number 6. So 6 is not included in the inequality.

So, the required inequality is x < 6.

The correct option is C. x < 6.

Learn more about Inequalities here :

https://brainly.com/question/18802258

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The closest chicken shack to the city of portales is more than 125 miles away. Which two inequalities represent d the distance of chicken shacks from portales

Answers

d > 125 or you could write it backwards 125< d

Write 2,748 in Mayan numerals. Show work. Take a screen shot or picture and upload using the Insert Image link (the tree icon). I don’t know what to do

Answers

Answer:

se escribe como en la imagen

Step-by-step explanation:

the graph of the function f(x)=mx+b contains the points (-1,3) and (-2,4) find m and b

Answers

Answer:

m = -1; b = 2

Step-by-step explanation:

the first step in solving this equation is to find the slope

so we use the equation (y2-y1)/(x2-x1)

so with this the equation is

(4 - 3)/(-2 + 1)

then it would be 1/-1

that is -1

so the function so far is f(x) = -x + b

to find the b you would plug in the coordinates

we can plug in the first set

3 = 1 + b

b = 2

so the m is -1 and the b is 2

find the sum of 4/10 + 20/100 = show work

Answers

Step-by-step explanation:

Multiply (4/10) by 10 to find the sum using common denominators:

[tex] \frac{4 \times 10}{10 \times 10} = \frac{40}{100} [/tex]

Add:

[tex] \frac{40}{100} + \frac{20}{100} = \frac{60}{100} [/tex]

60/100 is your unsimplified answer.

Divide (60/100) by 20:

[tex] \frac{60 \div 20}{100 \div 20} = \frac{3}{5} [/tex]

3/5 is your simplified answer.

If you draw a single card once from a deck of ordinary playing cards, what is the probability that it will be (a) The ace of diamonds

Answers

Answer:

1/52

Step-by-step explanation:

hope this helps

The radius of a circle is 1 mile. What is the circle's area?
r=1 mi
Use 3.14 for ​. PLS HURRY!!!!!!

Answers

Answer:

$$6.28$$ miles Explanation: Circumference of circle with a radius $$r=1$$ mile then the circumference of circle $$=2\pi r$$ $$=2\cdot 3.14\cdot 1$$ $$=6.28\

Step-by-step explanation:

Solve each equation for y. Then find the value of y for each value of x.

Answers

Here is the ans of no 1 2 and 3

Nicole has completed 36 deliveries so far this week. She needs to make 45 deliveries for the week. What percentage of her deliveries has Nicole completed?

Answers

to get the percentage of work done, divide the work done, the total work needed, or

Percent = 18 / 45

Reduced to 2 / 5, which is 40 percent.

Maria has 40 percent of her work completed.

A tree is 7 feet 5 inches tall. How tall is it in inches

Answers

Answer:

The tree is 89 inches

Please mark as Brainliest

The tree is 89 inches tall

Determine the average yards per carry for the following running back. Round to the nearest tenth.

Vic: 93 yd., 3 yd., 6 yd.

34 yd.
102 yd.
32 yd.

Answers

Answer:

45

Step-by-step explanation:
93+3+6+34+102+32=270270/6
How to find average/mean:
Add all the numbers, then divide by the amount of numbers.

RSTU and VXYZ are quadrilaterals. Given RSTU ~ VXYZ ​, describe a sequence of rigid motions followed by a dilation with center​ (0,0) that maps RSTU to VXYZ

Answers

Quadrilateral RSTU was rotated, translated and dilated to form quadrilateral VXYZ.

Transformation

Transformation is the movement of a point from its initial location to new location. Types of transformation are rotation, reflection, translation and dilation.

Dilation is the increase or decrease in the size of a figure to create an image.

Quadrilateral RSTU was rotated, translated and dilated to form quadrilateral VXYZ.

Find out more on Transformation at: https://brainly.com/question/1462871

A net of a rectangular prism with dimensions of 18 inches, 20 inches, and 35 inches is given What is the surface area of this rectangular prism? Enter your answer in the box __ ​

Answers

Answer:

The answer is 3380

Step-by-step explanation:

i took the test

Use the associative property to rewrite the following expression.
3+(a+b)

Answers

Answer:

Associative Property of Addition a + (b + c) = (a + b) + c

Distributive property

[tex]a (b + c) = ab + ac[/tex]

2(x+5)-7=3(x-2)

Pls help ! find value of x​

Answers

Answer:

dasd

Step-by-step explanation:

Given:

2(x + 5)-7= 3(x - 2)

To Find:

• Value of x

Solution:

⇒ 2(x + 5)-7= 3(x - 2)

⇒ 2x+10-7= 3x - 6

Rearranging the like terms,

⇒ 3x-2x = 10 + 6-7

⇒x=16-7

⇒x=9

Verification:

⇒ 2(x + 5)-7= 3(x - 2)

Putting x = 9,

⇒2(9+5)-7= 3(9 - 2)

2(14)-7= 3(7)

⇒28-7=21

⇒ 21 = 21

→ LHS = RHS

HENCE VERIFIED!!!

WILL GIVE 100 POINTS!!!!
On the map of an amusement park on a coordinate grid, the skating rink is at (−1.5, −1).

The coordinate grid is shown from negative 3 to positive 3 on the x-axis and negative 3 to positive 3 on the y-axis. There are increments of 1 over 2 for each grid line on each of the two axes. Only the whole numbers are labeled on either side of the axis.

Which of these shows how to plot the point to mark the skating rink?

From the origin, move 1.5 units to the left along the x-axis and 1 unit vertically down, and place the point.
From the origin, move 1 unit to the left along the x-axis and 1.5 units vertically down, and place the point.
From the origin, move 1 unit to the right along the x-axis and 1.5 units vertically down, and place the point.
From the origin, move 1.5 units to the right along the x-axis and 1 unit vertically down, and place the point.

Answers

Answer:

The first option is correct.

Moving 1.5 units to the left (or -1.5 units to the right).

Moving 1 unit down (or -1 unit up).

Therefore you get the result of (-1.5, 1) as is the location of the rink.

Step-by-step explanation:

PLS GiVE ME BRAINLIEST

xnxx
What is the first time in the volume of a sphere?​

Answers

Answer:

The formula for the volume of a sphere is V = 4/3 πr³. See the formula used in an example where we are given the diameter of the sphere.

Step-by-step explanation:

I hope it will help you....

[tex]kai6418[/tex]

#carryonleraning

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