Mathematics High School

Evaluate f(x) = 5x – 8 when 8 when I = -3.0, and 4.​

Answers

Answer 1

Answer:

f(3)=3

Step-by-step explanation:

Plugin 3 for x, and simplify

f(x) =5(x)−12

f(3) =5(3)−12

=15−12

f(3)=3

Related Questions

Which polygon appears to be regular?

- Figure A
- Figure B
- Figure C
- Figure D

Answers

Answer:

D

Step-by-step explanation:

Hope this helps! h.a.n.d! (have a nice day.)

If a/b=b/c,then what is b²?​

Answers

Given:

The equation is

[tex]\dfrac{a}{b}=\dfrac{b}{c}[/tex]

To find:

The value of [tex]b^2[/tex].

Solution:

We have,

[tex]\dfrac{a}{b}=\dfrac{b}{c}[/tex]

On cross multiplication, we get

[tex]a\times c=b\times b[/tex]

[tex]ac=b^2[/tex]

[tex]b^2=ac[/tex]

Therefore, the value of [tex]b^2[/tex] is [tex]ac[/tex].

Lisa can run 4 more miles than Marlie. Marlie can run twice as many miles as Amy. Amy can run 3 miles. How many miles can Lisa run?

Answers

Lisa - 10 Miles
Marlie - 6 Miles
Amy - 3 Miles

I need helping factoring 5p^2-6p-8=0​

Answers

Answer:

p= -4/5 or p=2

Step-by-step explanation:

Factor left side of equation.

(5p+4)(p−2)=0

Set factors equal to 0.

5p+4=0 or p−2=0

Which equals :

p= -4/5 or p=2

The average distance from the Sun to Mars is 22,793, 910,000,000 centimeters.

The conversion factors between centimeters and four other units of measure are shown below.

9.46. 10^17 cm = 1 light-year
1.50.10^13 cm = 1 astronomical
1 . 10^5 cm = 1 kilometer
1. 10^2 = 1 meter

For the distance to be expressed as x units of measure, where 1 < x < 10, which unit of measure must be used?

A Light-years
B) Astronomical units
C)Kilometers
D) Meters​

Answers

D would be the correct answer

Drew bought gifts for $140. Sales tax is 5.75%. How much tax did he pay?

a
$220.50
b
$80.50
c
$8.05
d
$148.05

Answers

Answer:

its c! :) I hope this helped you:)

Marilyn collects old dolls. She purchases a doll for $450. Research shows this doll's value will increase by 2.5% each year. Write an equation that determines the value, V, of the doll t after purchase.

Answers

Answer:

V = 450 + 0.025t

Step-by-step explanation:

What we know is that Marilyn purchases a doll for $450 dollars, and the value will increase by 2.5% each year. Now that we know this, this means we need an addition equation. We know 450 is being add to the 2.5% increase so the equation is V = 450 + 0.025t. (I put 2.5% as a decimal (0.025))

The equation that determines the value, V, of the doll (t) after purchase is [tex]V = 450 ({1.025}{} )^{t}[/tex]

What is equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

What is compound interest?

Compound interest is an interest accumulated on the principal and interest together over a given time period. The compound interest is calculated, after calculating the total amount over a period of time, based on the rate of interest, and the initial principal.

Formula of Compound Interest

 [tex]A = P (1+\frac{r}{100} )^{n}[/tex]

Where,

A = Final amount

P = Initial principal

r = Rate per annum

n = Time in years

According to the question

Marilyn purchases a doll for = $450

i.e, Initial Principal (P) = $450

Doll's value will increase each year by =  2.5%

i.e, Rate per annum = 2.5%

Value (V) of the doll after purchase = Final amount (A)

(t)  = Time in years (n)

Now, Formula of compound interest  

[tex]A = P (1+\frac{r}{100} )^{n}[/tex]

Substituting the values in formula

[tex]V = 450 (1+\frac{2.5}{100} )^{t}[/tex]

[tex]V = 450 (1+{0.025}{} )^{t}[/tex]

[tex]V = 450 ({1.025}{} )^{t}[/tex].

Hence, equation that determines the value, V, of the doll (t) after purchase is [tex]V = 450 ({1.025}{} )^{t}[/tex]

To know more about compound interest here:

https://brainly.com/question/14295570

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If a box of wheat crackers contains 6 servings and has a total of 420 calories. Find the number of calories in 1 serving.

Answers

Step-by-step explanation:i think you have to divide then mulitiply

If you know this could you help me?

Answers

Answer:

Equation : y = -0.5x − 8

Step-by-step explanation:

because i grabbed two points and plugged them in im not very good at explaining but im 99% sure thats right

simple question struggling abit :)

Answers

a. x=7 b. y=12 c. f=11/2

find the slope of a line that passes through the points (-2,6) and (8,4)​

Answers

Answer:

tatagagffgfgsfgsdfhsfhsetywe6

Step-by-step explanation:

Answer:

-1/5

Step-by-step explanation:

What is m∠1?............

Answers

the answer is 148

hope that helped lol

PLEASE HELP QUICKLY❗️❗️❗️

Answers

Answer:

C

Step-by-step explanation:

Can I have Brain List

Answer:

a

Step-by-step explanation:

I’m a 6th grader I need help on this

Answers

Answer:

whats the question? I don't see anything.

2. A bicycle trail is 65 miles long. Rashid
has already ridden 30 miles. How
many more miles does he need to
ride to reach the end of the trail?

Answers

Answer:

35 more miles

He need 35 miles more

Please help! I don't wanna fail!

Answers

Answer:

32.55

Step-by-step explanation:

Solve w=9x + 5y, for y

Answers

Answer:

the answer is A

Step-by-step explanation:

Answer:

y=1/5w-9/5x

Step-by-step explanation:

Pleas Help Due Tomorrow

must SHOW WORK

Answers

Answer:

42 degrees

Step-by-step explanation:

180-138 = 42

angles 1, 2, and 5 are all 139 degrees

angles 7, 3, 4, and 6 are 42 degrees

Answer:

42°

Step-by-step explanation:

in the attached image. hope this helps!


Determine if the sequence is arithmetic or geometric. Then, find the common difference or common ratio.
-30, -40, -50, -60, ..

Answers

Answer:

Arithmetic.

d = -10.

Step-by-step explanation:

There is a common difference of -10 so it is arithmetic.

PLS HELP ASAP! 10 POINTS!!

Answers

Answer:

1920

Step-by-step explanation:

14 × 8 × 10 = 1120

10 × 10 × 8 = 800

1120 + 800 = 1920

Find the area of the following shape:​

Answers

Answer:

Multiply them

Step-by-step explanation:

use the strategy

hiii sorry to be annoying but i have to answer a question so i can ask another question

26.6 is what percent of 53.2?

Answers

Answer:

Step-by-step explanation:

26.6/53.2 = 0.5 = 50%

26.6 is 50% of 53.2

When comparing the results of multiplying polynomials using the horizontal method and the vertical method, ____________. the vertical method will be correct only when the polynomials have no more than three terms.
the results will be the same.
the horizontal method will be correct when the polynomials have no more than three terms.
the results will never be the same.

Answers

Answer:

The result will always be the same

Step-by-step explanation:

The complete sentence is,

When comparing the results of multiplying polynomials using the horizontal method and the vertical method, ____________. the vertical method will be correct only when the polynomials have no more than three terms.

When comparing the results of multiplying polynomials using the horizontal method and the vertical method, the results will be the same. the vertical method will be correct only when the polynomials have no more than three terms.

What are polynomials?

A polynomial is a mathematical equation made up of coefficients and indeterminate that can only be solved using the operations addition, subtraction, multiplication, and non-negative integer exponentiation of variables.

A polynomial exists as an expression consisting of indeterminate and coefficients, that concern only the processes of addition, subtraction, multiplication, and non-negative integer exponentiation of variables.

Vertical addition exists as s procedure of adding where the numbers are lined up in columns according to their place values. Likewise, vertical subtraction exists as a method of subtracting where the numerals exist lined up in columns according to their place values.

To know more about polynomials refer to :

https://brainly.com/question/1000323

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d = 6 ft what is the circumference ​

Answers

Answer:

18.84955592 or 6pi

Step-by-step explanation:

What percent is represented by the shaded area?

Answers

Answer:

152%

Step-by-step explanation:

hope this helps!

please mark me as brainliest! thanks!

i really need help please

​

Answers

Answer:

25

Step-by-step explanation:

If you spin the spinner 20 times, how many 5’s? please help

Answers

Answer:

4 times you divde 20 and 5 and its 4

Step-by-step explanation:

Answer:

Its 4 Fives

Step-by-step explanation:

If its wrong i'm sorry

word problem for 2 +(-8)=-6

Answers

Answer: Jessie goes to a gas station, she has $2 on her credit card. She sees a pack of gum, gatorade, and a snicker. Both the snicker and gatorade cost $4 each. The gum costs $2. She buys its, which leaves her with $-6 on her card.

Step-by-step explanation:

pla help asap giving 15 points serious people only​

Answers

Answer:

3b+17

Step-by-step explanation:

First you distribute

=(3)(b) + (3)(4) + 5

=3b + 12 + 5

Then you combine the like terms:

=3b + 12 + 5

=(3b) + (12 + 5)

=3b + 17

Answer:

3b+17

Step-by-step explanation:

3(b+4)+5

3b+12+5

3b+17

The price of a train ticket consists of an initial fee plus a constant fee per stop.
The table compares the number of stops and the price of a ticket (in dollars).
Stops. Price(dollars)
3. 6.50
7. 12.50
11. 18.50
What is the fee per stop?

Answers

I believe the answer is 2.16
Other Questions
What is the atomic mass of an atom that contains 28 protons, 28 electrons, and 30 neutrons?86285856 Excerpt taken from The Historic Rise of Old Hickory by Suzanne B. WilliamsFour major candidates ran in the 1824 election, all under the "Democratic-Republican" name. One of the candidates, Andrew Jackson, was already famous. In the 1780s, he earned the right to practice law and served in various offices of the state government, including senator. He earned the nickname "Old Hickory" for his toughness as a general during the War of 1812 and First Seminole War. Jackson supported slavery and "Indian removal." This earned him support from voters in southern and frontier states. The other three candidates were John Quincy Adams of Massachusetts, Henry Clay of Kentucky, and William Crawford of Georgia.U.S. presidents are elected through the Electoral College. The Founding Fathers worried that Americans were too spread out to learn enough about the candidates. 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