Marcus solved a problem and found out that 190% of 20 is 380. Is he correct

Answers

Answer 1

Answer: He is Incorrect, It's 38

Work: For this question, I did the Cross-Product Method. The Cross Product Method is when you solve equation via to fractions. With the CPM, One one side of the fraction, I had x / 20 (Twenty being the whole number) and on the other side, I had 190/100 (190 being the percent) After setting this up, I made the equation. 190 times 20 is 3800, and the other multiplication is 100 times x which is 100x. So, the new equation is 3800 = 100x. I divided both sides by 100, and the answer is 38 = x

I hope this helps, and Happy Holidays! :)

Answer 2

Answer:

No, Marcus is not correct. He converted the percent to a decimal correctly and he multiplied correctly, but he put the decimal in the wrong place in the answer. There should be two decimal places in the answer, so the answer should be 38.

Step-by-step explanation:

I took the assingment in edge 2020


Related Questions

Please answer correctly !!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!

Answers

Answer:

146

Step-by-step explanation:

Round the number to the nearest hundredth 3.99527

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Answer:

nnnnnnnn

Step-by-step explanation:

Answer:

4

Step-by-step explanation:

Simplify.
5 + 2(3x − 4) − x
1. 1 + 5x
2. 13 + 5x
3. −3 + 5x
4. 13 + 7

Answers

Distributive property
5 + 6x - 8 - x
Combine like terms
5 - 8 = -3
6x - x = 5x
Answer: -3 + 5x

A charity organization had to sell a few tickets to their fundraiser just to cover necessary production costs after selling 10 tickets, they were still a net loss of $800 (due to the product cost). They sold each ticket for $70 let y represent the net profit (in dollars) when they have sold x tickets

Answers

Answer:

y = 70x - 1500

Step-by-step explanation:

Price per ticket = 70

Using the relation :

y = mx + c

x = number of tickets sold

When x = 10 ; y = - 800

Hence,

-800 = 70(10) + c

-800 = 700 + c

-800 - 700 = c

Hence, c = - 1500

The equation for the net profit in dollars is :

y = 70x - 1500

multiple choice:/
for geometry:(

Answers

Answer:

neither parallel nor perpendicular

if you need an explanation, put it in the comments :)

What is the value of the expression 7.5(-1/2)?

Answers

answer:
-3.75
half of 7.5 is 3.75. and its negative. so
-3.75

Answer:

-3.75

Step-by-step explanation:

How does knowing the associative property help to add quicker?

Answers

Answer:

it helps us to add faster bc we can regroup numbers when we add. in the associative property, the order of the numbers don't change, only the grouping does

Step-by-step explanation:

Answer:

Did you know that the associative property can help us solve problems faster? ... According to the associative property, we can regroup the numbers when we add, and we can regroup the numbers when we multiply.

Step-by-step explanation:

Please help help help help help

Answers

Answer:

61.25%

Step-by-step explanation:

percent = part/whole * 100%

percent = 98/160 * 100%

percent = 0.6125 * 100%

percent = 61.25%

Answer: 61.25%

Answer:

61%

Step-by-step explanation:

To find the percent, divide 98 by 160

98÷160=0.6125

move the decimal of 2 spaces then round to the nearest hundredth

the marked price of a radio is Rs 960 and the shopkeeper allows 10percent discount calculate the discount amount how much should a customer pay for it​

Answers

Answer:

864 rs

Step-by-step explanation:

10% of 960 is 96

960-96=864

In which of the options below will the number 3 correctly fill in the blank. Select all that apply. A) ___ : 4 = 12 : 16 B) 1 : 5 = ___ : 15 C) ___ : 1 = 12 : 3 D) 15 : ___ = 3 : 1

Answers

Answer:

A and B

Step-by-step explanation:

Given

List of given options

Required

Which will correctly take 3 to fill the blank

Represent the blanks with x

Option A:

[tex]x : 4 = 12 : 16[/tex]

Convert to fractions

[tex]\frac{x}{4} = \frac{12}{16}[/tex]

Multiply through by 4

[tex]4 * \frac{x}{4} = 4 * \frac{12}{16}[/tex]

[tex]x = \frac{48}{16}[/tex]

[tex]x = 3[/tex]

Option B:

[tex]1 : 5= x : 15[/tex]

Convert to fraction;

[tex]\frac{1}{5} = \frac{x}{15}[/tex]

Multiply through by 15

[tex]15 * \frac{1}{5} = \frac{x}{15} * 15[/tex]

[tex]15 * \frac{1}{5} = x[/tex]

[tex]3 = x[/tex]

[tex]x = 3[/tex]

Option C:

[tex]x : 1 = 12 : 3[/tex]

Convert to fraction

[tex]\frac{x}{1} = \frac{12}{3}[/tex]

[tex]x = 4[/tex]

Option D

[tex]15:x = 3:1[/tex]

Convert to fraction

[tex]\frac{15}{x} = \frac{3}{1}[/tex]

Cross Multiply

[tex]3 * x = 15 * 1[/tex]

[tex]3 * x = 15[/tex]

Divide through by 3

[tex]x = 5[/tex]

From the above calculations.

Option A and B can be filled with 3

Please help me out!!!!!

Answers

Answer:

k = [tex]\frac{4}{3}[/tex]

Step-by-step explanation:

I assume the function is

f(x) = 2x³ - kx² + x - 8k

2(2)³ - k(2)² + 2 - 8k = 2

- 12k + 16 = 0

3k - 4 = 0 ⇒ k = [tex]\frac{4}{3}[/tex]

Find the value of x that makes m || n
(2x+20) 3x

Answers

Answer:

x = 20

Step-by-step explanation:

For the lines to be parallel, then (3x + 20) and (3x) are alternate angles and congruent, thus

3x = 2x + 20 ( subtract 2x from both sides )

x = 20

write (3x^2 + 2x − 8) + (x^2 − 5x + 10) in standard form. Show your work

Answers

Answer:

4x^2-3x+2

Step-by-step explanation:

Answer:

4x^2 - 3x + 2

Step-by-step explanation:

(3x^2 + 2x - 8) + (x^2 - 5x + 10)

(3x^2) + (x^2) = 4x^2

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

(-8) + (10) = 2

4x^2 - 3x - 2

HELPPPP!!!!!!
1) Consider the sequence:
7,4, 1, -2
A) Arithmetic or Geometric (and why?)
B) What is the common difference or common ratio?
C) Explicit equation:
D) Find the 12th term of the sequence:

Answers

This is what I got for the answers.

what is Alternate interior angles give an example ​

Answers

Hey there!

Basically, the alternate interior angles is/are the inside of the given lines but it’s unlikeable sides of your transversal

Basically, ∠1 & ∠2 are alternative interior angles

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

Answer:

in the above pic you can see 12345678 marked angles

the alternate interior angles are angle3,5,4and6

they are pairs of alternat interior angles

Step-by-step explanation:

I hope it helps mate

i will always help you understanding your assingments

have a great day

#Captainpower#

Please help. This is volume

Answers

Answer:

3600 in

Step-by-step explanation:

12 * 15 = 180

180 * 20 = 3600

Then just add the right unit

3600 in

Multiply height by length by width so 12x15x20
Answer:3600 in

please help ill give brainliest

Answers

Answer: Nadia’s equation should be V = 1/2(12.5)(6.7)(20)

Leo’s equation: V = 1/2(21)(7)(29)

Darcie: V = 1/2(13)(4)(19)

Explanation:

The formula for the volume of a triangular prism = 1/2(base)(height)(length)

help me please!! i will give brainliest

Answers

Answer:

            F             B

Step-by-step explanation:

20% of 80
percentage idk what to put

Answers

Answer:

if you are asking 20% of 80, then its 16

Step-by-step explanation:

0.2 x 80 = 16

Answer:

25

Step-by-step explanation:

25

Percentage Calculator: 20 is what percent of 80? = 25.

Correct answer will get brainpower and +40 points! I need step by step instructions though wrong answers will get reported.

Q1: f (x) =2x - 9

Part A) Find f^-1 (3)

Part B) Find f^-1 (x)

These are the parts that need to be solved.
tysm for the help!

Answers

Answer:

Given :-

f (x)=2x-9

To find:-

[tex]\sf f^{-1 (3)}[/tex]

[tex]\sf f^{-1 (x)}[/tex]

Solution :-

We need to find

[tex]f^-3 \\ f^{-x}[/tex]

[tex]\qquad{:}\longrightarrow\tt f^-3=2^{-3}-9 [/tex]

[tex]\qquad{:}\longrightarrow\tt -8-9 [/tex]

[tex]\qquad{:}\longrightarrow\tt f^{-3}=-17 [/tex]

[tex]\qquad{:}\longrightarrow\tt f^-x=2(-x)-9 [/tex]

[tex]\qquad{:}\longrightarrow\tt -2x-9 [/tex]

Multiply (-1)

[tex]\qquad{:}\longrightarrow\tt f^{-x}=2x+9 [/tex]

Factor the expression (24p - 60)
This is the last one

Answers

Step-by-step explanation:

24p - 60

= 12 * 2p - 12 * 5

= 12(2p - 5).

What else would need to be congruent to show that ABC PQR by SSS?

Given
———-
AC=PR
BC=QR

A. AB=BA


B. AB=PQ


C. AC=PQ


D. A=P

Answers

A n s w e r :

B. AB = PQ

The condition which satisfy the congruency of the given triangle is

BC≈QR.

What is congruency of triangles?

Two triangles are said to be congruent if all the corresponding sides are equal and all the corresponding angles are equal. The symbol of congruency is '≅'

here, we have,

from the given information, we get,

To show that triangle ABC ≈ triangle PQR by SSS,

In this type of congruency, all the sides of the triangle ABC is equivalent to the all the sides of the triangle PQR.

Given, AC≅PR, AB≅PQ.

The another one condition is BC≅QR.

Hence, the condition which satisfy the congruency of the given triangle is BC≈QR.

Learn more about congruency of triangles here:

brainly.com/question/30094434

#SPJ7

1) Which polynomial identity would you use to factor the given expression? *
1-125n^3

Answers
1 Difference of Squares
2 Perfect Square
3 Difference of Cubes
4 Sum of Cubes

Answers

Answer:

I,dont know but use M A T H W A Y it will explain with all the stepp by step and answere

Step-by-step explanation:

I need help with this question

Answers

Answer:

51 degrees

Step-by-step explanation:

angle 1 is 104 and angle 3 is 25

add those and u get 129

it has to all equal 180 so...

180-129 is 51

Helppp ...............

Answers

Answer:

i think its B

Step-by-step explanation:

im not sure but im pretty sure if its wrong im sorry but im pretty sure its correct

Use polynomial identities to factor 64 + 27a^3

Answers

Answer:

(3a+4)(9a^2-12a+16)

Step-by-step explanation:

It's a perfect square :)

The factors of the given polynomial are (4+3a)(9a²-12a+16)

What is polynomial?

A polynomial is defined as an expression which is composed of variables, constants and exponents, that are combined using mathematical operations.

Given that, a polynomial, 64+27a³

Using identity : a³+b³ = (a+b)(a²-ab+b²)

We get,

= (4+3b)(4²-4x3a+(3a)²)

= (4+3a)(16-12a+9a²)

Hence, the factors of the given polynomial are (4+3a)(9a²-12a+16)

For more references on polynomials, click;

https://brainly.com/question/11536910

#SPJ2

(arb)4 = 81r24
where a and b are positive integers. Work out a and b.

Answers

Step-by-step explanation:

(arb)4 = 81r24

a4r4b = 81r24

a4  = 81

a = 4√81

a = 3

r4b = r24

4b = 24

b = 6

any more help just ask :)

f(x)=-2x^2+6x+1
find F(-6)

Answers

Answer:

The answer is -107

Step-by-step explanation:

Wait how is it -107?

x + 3y = 8
Y = 2 - x
solve for the system of equations

Answers

You plug y into the equation so x=-1 and y=3

Can somebody plz answer correctly on all 3 questions on #15 thanks a lot!!!

WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST :DDD

Answers

A.) they won 60% of games.

B.) they lost 37% of games.

C.) they tied 3% of games.

Mark as brainiest please.
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