For f(x)= 2x-15 ,find f(x) when x=-4


I just need some help on this question.

Answers

Answer 1
2(-4)-15=-8-15=-23 so f(x)=-23

Related Questions

HELP ME PLEASEEEE ITS FOR geometry ITS WORTH 51 POINTS

Answers

Answer:

answer is b

Step-by-step explanation:

The answer is A. 80 degrees

Select all the correct answers.
Which tables have a lower unit rate than the rate represented in the equation?
y=3/5x

More than one answer

Answers

Answer:

x=24

y=21

Step-by-step explanation:

ok budy mark me as brainlsit

C AND E

if theirs 5 answers then its c and e.

Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. 32 mi to 56 mi

Answers

Answer:

4/7

Step-by-step explanation:

32/56=16/28=8/14=4/7„

A large box holds 125% as many toys as a small box. If the large box hold 25 toys, how many toys does the small box hold? Your answer​

Answers

5 toys.

125/25 = 5 tiys

Please helppp number 11

Answers

Answer:

(1/3)⁷

Step-by-step explanation:

negative exponents work like this:

x⁻²=(1/x)²

Apply this theory to this equation:

3⁻⁷=

(1/3)⁷

Easy points if u know it

Answers

Answer:

true

Step-by-step explanation:

because im smart

Answer:

true

Step-by-step explanation:

I just do

SOMEONE PLEASE HELP ME!!!!DONT SKIP IT PLEASE!!

Answers

Answer:

L=2D+54

L=126 miles after 36 days

Step-by-step explanation:

L=2D + 54

L= 2(36) +54

L = 126 miles

PLZ HELP I WILL MARK BRAINLIEST - What is the volume of a cone (in cubic inches) with a radius of 6 inches and a height of 3 inches?

Use 3.14 for π. Round your answer to the nearest hundredth.

37.68 cubic inches
56.52 cubic inches
100.48 cubic inches
113.04 cubic inches

Answers

Answer:

D: 113.04

Step-by-step explanation:

Volume cone formula: V=πr^2h/3

V = π(6)^2 3/3

V = 113.1

I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

Answer:

113.04 cubic inches

Step-by-step explanation:

First lets identify the equation to find the volume of a cone.

V= [tex]\pi[/tex] r^2 h/3

Next we'll plug in height and radius

h = 3

r = 6

V = [tex]\pi[/tex] 6^2 * 3/3

V = [tex]\pi[/tex] 36 * 3/3

V = [tex]\pi[/tex] 36 * 1

V = [tex]\pi[/tex] 36

V = 36[tex]\pi[/tex]

Now we'll use 3.14 for [tex]\pi[/tex] and times it by the 36

V = 36[tex]\pi[/tex]

V = 113.04

V= 113.04 cubic inches

If you ever need any more help don't be afraid to reach out and I hope this helps!

Marta received $5 for helping her dad in the back yard. She spent $2.40 on drinks and $1.33 on snacks. A)Write an equation to show how much money she has left. Remember to define your unknown. B)Solve the equation from part (a). Show your work

Answers

Answer:

5-( 2.40+1.33 )= $1.27

Step-by-step explanation:

If you add $2.40 to $1.33 you get $3.73, the total amount of money she spent on drinks and snacks. Then you would need to subtract $3.73 from $5.00, which is $1.27.

I hope this helps!

HELP ANSWER X FOR THIS ISOSCELES TRIANGLE THANK YOU

Answers

Answer:

Step-by-step explanation:

Remark

The point about the question is that the two sides are marked as equal.

Equation

3x + 5 = 5x + 1                  Subtract 3x from both sides

Solution

3x - 3x + 5 = 5x - 3x + 1   Combine like terms

5 = 2x + 1                          Subtract 1 from each side

5-1 = 2x +1 - 1                    Combine

4 = 2x                               Divide by 2

4/2 = 2x/2

x = 2    

NEED ANSWER PLEASE WILL GIVE BRAINLIEST

Let fx) = 8x-7.
What is f4)?

Answers

Answer:

f(x)=25

Step-by-step explanation:

f(x)=8x-7

f(4)=8.4-7

f(4)=32-7

f(4)=25

Answer: f(4) = 25

Explanation:

f(x) = 8x - 7

To find f(4) simply replace x with 4 and u can do the calculation

f(4) = 8(4) - 7
f(4) = 32 - 7
f(4) = 25

Evaluate the following.
(a) |7 - 9
(b) |7| - 9

Answers

Answer:

first is 2a

second is 7b-9

Step-by-step explanation:

Plzzzzzz helpppppppp! I’ll give brainliest to whoever gives me the answer

Answers

Answer:

26

Step-by-step explanation:

180-128=52

52/2=26

f(x)=x^2+3x-2 find f(-2)

Answers

Answer:

-12

Step-by-step explanation:

I’ll mark as BRANLIEST!!!

25 POINTS!

-Write a function rule for the area of a rectangle whose length is 3 inches more than the width. What is the area of the rectangle when its width is 7 inches. Remider: A=1xw

Answers

Answer:

70=A

Step-by-step explanation:

7=3+7=10x7=70=A

I will give out brainliest tell me the reason 2
NO SPAMMING IF U DO ILL REPORT U OFF BRAINLY
Ok

Answers

Answer:

D bc you keep going up by 60m/1hr

Step-by-step explanation:

late answer, for the people who came across it looking for the answer. its d! <3

What is an equation in point-siope form of the line that passes through (-7, 1) and (-3, 9) ??

Answers

2846462910rifjfbdvheopqbducbrbeispwvthtjros
First find slope
(9-1)/(-3+7) = 8/4 = 2
Point slope: y-y1 = m(x-x1)
Plug in the numbers
Solution: y-1 = 2(x+7)

What is the range of the graph above?

Answers

There is no graph for us to see

Could u all check this if am correct before i turn it in.​

Answers

All the answers are correct.

they are all correct

help please I've been on this for an hour​

Answers

Answer:

D I think

Step-by-step explanation:

Answer:

360 > 120 +60n (subtract 120 from both sides)

240> 60n (divide both sides by 60)

4>n ( I always flip it so its the right way)

n< 4 days or B

Step-by-step explanation:

What is the total surface area of the jewelry box?

22 square feet
10 square feet
14 square feet
6 square feet

Answers

The answer is 6 square feet, HAPPY HOLIDAYS

Shakira and Evelyn disagree on the method used to find the perimeter of an equilateral triangle whose side measures 4n-2. Whose method is correct? Explain. Shakira's method: 3(4n-2) Evelyn's method: (4n-2)+(4n-2)+(4n-2)

Answers

Answer:

Both are correct

Step-by-step explanation:

All the sides of an equilateral triangle are equal. Hence;

Perimeter of an equilateral triangle = 3S

S is one of the side length

Given;

S = 4n-2

Perimeter of the triangle = 3(4n-2)

This can also be expressed as P = S + S + S

P = (4n-2) + (4n-2) + (4n-2)

This shows that both methods are correct

At an old-style amusement park there is a cost per ride of $2.50 plus an entrance fee. Your friend told you that she went on 10 rides but her total cost was $33.

Answers

Answer:yes that’s true

Step-by-step explanation:

Answer:

8$

Step-by-step explanation:

You didn't put the whole question But I'm assuming ur asking what the entrance fee is.

2.50×10=25$

33$-25$=8$

Please help! Due today

Answers

Answer:

The ordered pairs are;

A(3, 4), B(-3, 2), C(-2, -4), D(6, -3), and E(0, 0)

Step-by-step explanation:

An ordered pair is the coordinate definition of a point on a coordinate plane that gives the x and y values of the coordinate of the point within parenthesis separated by a comma

An ordered pair provides a visual designation of points located on a Cartesian plane.

SOMEONE PLS SOLVE THIS ASAP

Answers

Answer:

Step-by-step explanation:

(-3)^2 +4(-3)(5)

9+(-60) or 9-60

The answer is -51

HELP ME NOW!!!!!!!!HELP ME NOW!!!!!!!!HELP ME NOW!!!!!!!!HELP ME NOW!!!!!!!! OK! WHAT IS THE THING PLUS THAT?

Answers

Answer:

girl it is 2

Step-by-step explanation:

Step-by-step explanation:

WRL-15663: The SparkFun ESP32 Thing Plus is the next step to get started with Espressif IoT ideations while still enjoying all the amenities of the original ESP32 Thing. Espressif's ESP32 WROOM is a powerful WiFi and Bluetooth MCU module that targets a wide variety of applications. At the core of this module is the ESP32-D0WDQ6 chip which is designed to be both scalable and adaptive.

PLZZ HELPP IM FAILLING THIS CLASS

Answers

Answer:

Step-by-step explanation:

cups answers

40 count $4.76

50 count $4.90

plate andwers

20 count $2.75

25 count $3.06

silverware answers

210 count $9.85

100 count $9.03

16.54

Abby and Andrew are selling wrapping paper for a school fundraiser. Customers can buy rolls of plain wrapping paper and rolls of shiny wrapping paper. Abby sold 6 rolls of plain wrapping paper and 4 rolls of shiny wrapping paper for a total of $104.00. Abby sold 8 rolls of plain wrapping paper and 12 rolls of shiny wrapping paper for a total of $232.00. Find the cost of the shiny wrapping paper.

Answers

Answer:

$14 for the shiny wrapping paper

Step-by-step explanation:

6x + 4y = 104

8x + 12y = 232

x=8 y=14

If there are 7 basketballs for every 3 students at Tuckahoe, then how many students are there if the store room has 49 basketballs?

Answers

Answer:

21 Students

Step-by-step explanation:

7:3

7*7=49

3*7=21

49:21

There are 21 students as 7 times 3 is 21 for the ratio of 7basketbas for every 3 students

Polina the Polar Bear sat on an ice floe in the Arctic Ocean, north of Alaska. Polina was waiting for her mother, Bearnice, to return hwith some tasty seal blubber for lunch. Bearnice was hunting, waiting for seals to come up for air through holes in the ice, the same way Polar Bears have hunted in the winter for centuries. Except this year there was one big difference.

A lot more of the ice had melted last summer, and this winter it hadn’t refrozen as usual. A combination of warmer weather and changes in water and air currents was making the ocean warmer than anyone could remember, and Bearnice had to swim farther every day to find a good hunting spot.

As Polina waited for her mother to bring food back to her floe, the ice shrank bit by bit until she was sitting on very thin ice. As Polina waited helplessly, the furry white cub heard a deep voice coming from the direction of the sea.

“Hellooo little bear,” it said. Polina had never heard such a deep voice. She lifted her tired head to look out over the water, and was surprised that the voice seemed to come from a dark ice floe just offshore.

"No, wait!" It had a huge eyeball that was looking directly at her. It wasn’t an ice floe — it was the largest whale Polina had ever seen. It was also the first whale that had ever spoken to her.

“They call me Farswimmer,”said the whale, “because I travel all over the world, having adventures and learning new things. What brings you here alone, Polar Bear?” Farswimmer was very old, and he had seen many changes in his years of exploring the oceans. He certainly knew more about the world than most polar bears.

Farswimmer seemed like a nice whale, but Polina remembered Bearnice, her mother, and how she hadn’t come back from hunting.

Farswimmer blew a tall spout to distract Polina and stop her from crying.

When Polina told the whale her own story, he said, “I’m headed north anyway. You could ride on my back, and we can look for your mother. Are you ready for an adventure?” The next morning, Farswimmer and Polina charted their course and took off. Polina rode Farswimmer’s back and sometimes floated behind him, holding his tail. She also stood on his back and pretended she was surfing. It was a blast.

They took a break on an ice floe. Soon, they saw something in the distance that looked like another ice floe, but just to be sure, Farswimmer left Polina on the ice and swam to the floating object.

It wasn’t an object. It was an animal. Farswimmer used his fat nose to push the animal to Polina’s icy raft. When they got closer, Polina saw a familiar face.

“Mommy,” she yelped. Bearnice was very tired, but the sound of her cub’s voice made her happy. She opened her arms and the two embraced each other in a big bear hug.

Read the passage on the left to answer the following questions:
1)
What is the main conflict in this story?
A) Farswimmer cannot find Polina's mother.
B) Polina's mother is unable to find any seals to feed Polina.
C) Bearnice decides that she wants to let her daughter live alone.
D) The ice is melting around Polina, and her mother hasn't returned.
2)
Which statement best describes the relationship Polina the Polar Bear and the whale Farswimmer?
A) Polina is angry at Farswimmer for being so large and scary.
B) Farswimmer has no interest in helping Polina find her mother.
C) The whale Farswimmer is kind and helpful to frightened Polina.
D) Polina is in love with Farswimmer the whale and wants to run away with her.
3)
How is Farswimmer characterized in this story?
A) as an unhappy and mean whale
B) as a kind and wise old whale
C) as an indifferent, cruel creature
D) as a simple-minded, innocent creature
4)
Which BEST describes the characters in this story?
A) Farswimmer is old and Polina is young. They can both talk.
B) Farswimmer and Beatrice are both old. They can both talk.
C) Farswimmer and Polina are both young and can both talk.
D) All three are young and can talk.
5)
What is the setting of this story?
A) a warm Mediterranean sea
B) the endless ice of Antarctica
C) an Eskimo village in the snow

Answers

C) Farswimmer's dialogue reveals him to be a generous, kindly, old whale.
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