John is 5 years older than Randy. Oscar is twice as old as Randy. How old are each of the three boys is the sum of their ages is 85?​

Answers

Answer 1
Randy: 20 years old John: 25 years old and Oscar is 40 years old

Evidence: (5+x)(x)(2x) = 85
4x +5 = 85
4x = 80
x= 20 which is Randy’s age
20+ 5= 25 which is Johns age
20 • 2 = 40 which is Oscar’s age

Related Questions

Write an equation of the line that passes through the point (0,4) and (2,6) in slope-intercept form.

Answers

Answer:

y=x+4

Step-by-step explanation:

Use slope formula: (y2-y1)/(x2-x1)

(6-4)/(2-0)

2/2

1

Slope Intercept Form: y = m(slope) times x plus b(y-intercept)

y=1x+b

Plug in one of your points into the equation:

4=1(0)+b

4=0+b

4=b

Final Answer: y=x+4

Sorry if this is confusing; this is my first answer.

If I got a 60 on a test , and I have a 92 in that class , what will my grade be ? (please answer i am stressing so much I might get gray hairs)

Answers

Answer:

There's no way to answer this question 100% accurately, because we don't know your teacher's grading scale, or how much tests and quizzes are weighted for your grade in the class. That being said, one test shouldn't bring your grade down too much. As the year goes on, and more assignments are put in the gradebook, it will even out. If you get a 100 percent on 3 tests, and a 60 percent on one test, it evens out to a 90 percent.

If you need more help, type in "Rogerhub grade calculator." It's a website that is very helpful in calculating your grade for the year. Hope this helps! :)

What is the slope of the line that passes through
the points (-1,3) and (5, 7)?

Answers

Answer:

[tex]\frac{2}{3}[/tex]

Step-by-step explanation:

For this situation we will use this equation:

[tex]m=\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

This lets us find the slope from a set of points (m being the slope of course), with each one representing a coordinate from our set. (e.g. 7 could be [tex]y_{2}[/tex])

First let's define which coordinates will represent each:

(-1,3): [tex]x_{1} ,y_{1}[/tex]

(5,7): [tex]x_{2} ,y_{2}[/tex]

Now that we have this, we can fill in our coordinates: [tex]m = \frac{7-3}{5-(-1)}[/tex]

Next we simplify: [tex]m = \frac{4}{5+1}[/tex] (double negative = positive)

And simplify some more: [tex]m = \frac{4}{6}[/tex]

Finally, we find the GCF (greatest common factor) of 4 and 6, which is 2, and divide by that to further simplify the fraction: [tex]m = \frac{2}{3}[/tex]

Therefore, the slope of the line that passes through the points (-1,3) and (5,7) is [tex]\frac{2}{3}[/tex].

How much money will Monique make if she works 10 hours this week as a lifeguard and also dog sits?

Answers

Answer: $140

Step-by-step explanation:

Answer:

140

Step-by-step explanation:

i did it before


Translate the equation into a verbal expression.
4(n - 7) = 32

Answers

Answer:

the product of 4 and a number decreased by 7

Step-by-step explanation:

14 subtracted from the difference of x and 3*
O 14-(x-3)
O 14+ (x - 3)
(x + 3) - 14
O (x - 3) - 14

What’s the answer??

Answers

I think it’s the last one. If not, then the first

Answer:

of

(4×3) =13(6×3) =20 (2×3) = 6 (3×3) =9

Step-by-step explanation:

maaf ya kalo jawaban nya salah

Which of the following linear equations is in standard form? A. 3x + 2y = 3 B. 2y = 3x - 2
C. y = 3x - 2 D. 3x + 2y - 2 = 0​

Answers

Answer: A

Step-by-step explanation: The standard form for linear equations in two variables is Ax+By=C. For example, 2x+3y=5 is a linear equation in standard form. When an equation is given in this form, it's pretty easy to find both intercepts (x and y).

Basic math equations and calculations play an important role in many jobs tasks. If you were working at a grocery store and your cash register was not automatically calculating the 20% off sale on someone's cereal--how would you solve this issue from the options listed below? If the cereal was normally $2.88, I would... 1 point Take $2.88 and times it by 80 for a sale price of $2.30. Subtract $0.20 for a sale price total of $2.68. Divide 20 from $2.88 for a sale price total of $0.15.

Answers

Given :

Price of cereal without off, C = $2.88 .

Percentage off, P = 20% .

To Find :

Price after applying 20% off.

Solution :

Final price = Initial price - 20 % of initial price

[tex]F = 2.88 - 2.88\times \dfrac{20}{100}\\\\F=2.88-0.576\\\\F=\$ 2.304[/tex]

Therefore, final price after sale is $2.304 .

Hence, this is the required solution.

Solve 5x − 2(2x − 1) = 6

Answers

Answer:BRAINLIEST PLSOk so, the answer isStep-by-step explanation:Ok so, Let's solve your equation step-by-step.5x−2(2x−1)=6Step 1: Simplify both sides of the equation.5x−2(2x−1)=65x+(−2)(2x)+(−2)(−1)=6(Distribute)5x+−4x+2=6(5x+−4x)+(2)=6(Combine Like Terms)x+2=6x+2=6Step 2: Subtract 2 from both sides.x+2−2=6−2x=4So, your answer would be:x=4

Answer: x = 8

Step-by-step explanation:

The answer begins with the distributive property, multiplying positive 2 times the elements in parenthesis.

5x - (2)(2x - 1) = 6

5x - 4x - 2 = 6

1x = 6 + 2

x = 8

At a store, the cost of 5 pounds of carrots is $3.35. Which statement about the cost per pound of carrots is true?


A. Subtract the total cost from the number of pounds to get $1.65 per pound.

B. Multiply the total cost by the number of pounds to get $16.75 per pound.

C. Divide the number of pounds by the total cost to get $1.49 per pound.

D. Divide the total cost by the number of pounds to get $0.67 per pound.

Answers

Answer: C

Step-by-step explanation:

I divide 5 by 3.35 and got 1.49

Answer:

C

Step-by-step explanation:

the answer is c bc if yu divide the number of pounds by the total cost

1. Tommy washes the neighbors' windows to earn money.
He earns $63 for 6 hours of washing windows.
a. At what unit rate (dollars/hour) does Tommy get paid?
b. Complete the table to show how much he earns for various numbers of hours of washing
windows
Time (hours)
Earnings ($)
2
6
63
10

Answers

Answer:

divide 63 by 6 with is 10.50 so he earns 10.5 dollars the hour then if he works 2 hours just multipley 10.5 by 2

An alligator hatchling grew 272.5 inches after six years this length is 10 times it’s hatchling size if you want to know it’s hatchling size should you multiply or divide 72.5 by 10 explain

Answers

divide, because if you multiplied 272.5 by 10, the alligator would be getting 10 times bigger than it already is.

6. In the quadratic equation x2 + 8x - 2 = 0, what are the values of a, b, and c?
a. a = 0, b = 3, C = -1
c. a = -3, b = 0, C = -1
b. a = 1, b = 8, C = -2
d. a = 3, b = 0, C = 1​

Answers

Step-by-step explanation:

letter b ang sagot sa number 6

The following are trinomial EXCEPT.
A. x+7 B. 5x²+2x-7
C. 7x³+2x+5 D. 7x⁴+3x-9​

Answers

Answer:

A)

Step-by-step explanation:

Trinomial expression had 3 terms. Here x + 7 has only 2 terms. So, it is not a trinomial

If you travel 1000 feet in 5 minutes, what is your speed per minutes?

Answers

Answer: 200 feet

Step-by-step explanation:

1000feet/5feet= 200feet

Answer:

200 feet per minute

Step-by-step explanation:

Speed = Distance/Time

Since you want to find the "per minute", you would just divide the total distance by the number of minutes:

1000 feet / 5 minutes = 200 feet per minute

Find the answer for x.

Answers

Answer:

x=25

Step-by-step explanation:

since this is a triangle you would add up all the measure of this and set it equal to 180. 90 is the side with the box. so it would be 2x+15+x+90=180 then solve for x and you would get your answer.

Plz help with this question, I will mark you brainliest!

Answers

10.6

im assuming you dint need an explanation, just a quick answer. hmu if you do need one.

10.6
hope this helps x

write the equation of the line parallel to 2x - 3y = 0 and passes through the point (5, 4).​

Answers

Answer:

2x - 3y = 2

Step-by-step explanation:

Parallel lines have same slope

Given line, in slope intercept form

2x - 3y = 03y = 2xy = 2/3x

Parallel line is

y = 2/3x + b

Using point (5, 4) to find b

4 = 2/3*5 + bb = 12/3 - 10/3b = 2/3

y = 2/3x + 2/3 in slope-intercept form or

2x - 3y = 2 in standard form

What value of n makes 4n +20 = 4? *

Answers

Step-by-step explanation:

Answer:-

[tex]\sf{4n+20=4}[/tex]

[tex]\sf{4n=4-20}[/tex]

[tex]\sf{4n= -16}[/tex]

[tex]\sf{n=\dfrac{-16}{4}}[/tex]

[tex]\sf{n = -4}[/tex]

Hope it helps :)

Answer:

-4

Step-by-step explanation:

To solve, you need to isolate the number with the variable (in this case, 4n). To do that, get rid of the 20 on the left side. To do THAT, do the opposite which is subtract; do it to both sides. This leaves you with 4n= -16.

Now, to get rid of the 4 and be left with just the n, do the opposite of what is given. In this case, n is multiplied by 4 so divide by 4 on both sides to isolate n. This gives you the answer of -4.

Hope it helps!

help me plzzzzzzzzzzzzzzzzzzzzzzzzzzzz

Answers

Answer:

12 is A, 13 is C

Step-by-step explanation:

I took the test. MARK AS BRAINLIST!

14) Ms. Lopez has $118 for tickets at the Sports Fun Park. She needs to buy 1 adult ticket for $19. How many child tickets can she buy if child tickets cost $12 each?
A) 5 child tickets
B) 6 child tickets
C) 7 child tickets
D) 8 child tickets
15) In 14, Ms. Lopez changed her plans and decided to purchase another adult ticket and 6 child tickets. How much money will she have left?
$5
$6
$7
$8

Answers

Answer:

14=D

15=D

Step-by-step explanation:

Who is better Eddie Vr or Josh Dub​

Answers

answer : josh dub

no explanation

Carolina is saving money to purchase a house. She inherits $15,000 and deposits it into the bank. She gains 12% simple interest for 8 years. How much money does she have after 8 years?

Answers

Answer:

16,437

Step-by-step explanation:

Marcus is rewriting a polynomial by combining like terms. Which terms does he still need to combine to finish rewriting the polynomial?

-3mn^3 - 4n^4 + 2mn - 6n - 5mn^3 - 6m^3n

Answers

Answer:

-3mn^3 and -5mn^3

Step-by-step explanation:

had it correct on my test - PLATO

Marcus  has to add -3mn^3 and -5mn^3 to complete the polynomial.

Marcus is rewriting a polynomial by combining like terms

What is polynomial?

Polynomial equation is equation of independent variables.

Here, questions seems to be incomplete.
In polynomial, it can be of maximum endless number of term or minimum 1 term. Marcus can add any number or repeat any number. And if he revised the old number than the number could be -3mn^3 and -5mn^3.

Thus, Marcus  has to add -3mn^3 and -5mn^3 to complete the polynomial.

learn more about polynomial here:

brainly.com/question/11536910

#SPJ2

Write the equation of a line ( slope intercept form y = mx + b)

Answers

Answer:

y=1/4x-1

Step-by-step explanation:

i knew the general equation of the line and i knew the slope would be a fraction because the line is rlly flat

-1 would be the b and i plugged in simple fraction values for m

i checked in desmos and they look similar

hope this helps and is correct <3

4 A Math (CO) / Module 2
4. Jaclyn has a piano lesson every 7th day. She has a flute lesson every 14th day. What are the first 2 days she will have both lessons on the same day?
O 14th day, 30th day
O 14th day and 28th day
O 28th day, 42nd day
O 7th day, 14th day

Answers

Answer:

14th day and 28th day

Step-by-step explanation:

7×2=14 14×1=14 14×2=28 7×4=28

PLEASE PLEASE PLEASE HELP I DON'T GET THIS
LEAVE AN EXPLANATION IF POSSIBLE


What is the equation of a line that passes through the point (9, −3) and is parallel to the line whose equation is 2x−3y=6?


Enter your answer in the box

Answers

Answer:

y = 2/3x - 9

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

m - slope

b - y-intercept

Step 1: Define

Point (9, - 3)

2x - 3y = -6

Step 2: Rewrite given equation

-3y = -2x - 6

y = 2/3x + 2

So our m = 2/3 (Parallel lines have the same slope but different y-intercepts)

Step 3: Find y-int of parallel line

y = 2/3x + b

-3 = 2/3(9) + b

-3 = 6 + b

b = -9

Step 4: Write parallel line equation

y = 2/3x - 9

Solve:
-x/6 + 3 =8
2/7(x) = 10
-10x = -100

Answers

Answer:

-x/6 + 3 =8

x = -30

2/7(x) = 10

x = 35

-10x = -100

x = 10

Solving a linear equation: Your hourly wage is $9.75 per hour plus
$0.80 for each unit you produce. How many units
must you produce in 1 hour so that your hourly wage
is $19.35?

Answers

Answer:

You must produce 12 units

Step-by-step explanation:

19.35 - 9.75=9.60

9.6/0.8=12

Answer:

the answer is 12 units  

Step-by-step explanation:

u get 9.75 an hour and 0.80 for every unit so subtract 9.75 from 19.35 and u get 9.60 now divide that by 0.80 and u  get 12 units

Which ratio is different from the others? > 8 to 15 ,15:8 ,8:15 8/15​

Answers

8 to 15 is a different ratio than the others.
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