The Sum Of Two Numbers Is 18 And Their Difference Is 4

Answers

Answer 1

Answer:

The two numbers are 7 and 11.

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Step-by-step explanation:

Let A and B stand for the two numbers.

We are told that:

1)  A+B=18, and

2)  A-B=4

Take the first expression and rearrange to isolate A:

A+B=18

A=18-B

Use this in the second expression:

(18-B)-B=4

-2B = -14

B = 7

From (1) we find A:  

A+B=18

A+7=18

A= 11

If A=11, then B=7 (from A+B=18)

CHECK:

Does A+B=18?

  11 + 7 = 18?  YES

Does A-B=4?

    11 - 7 = 4?  YES


Related Questions

Mario walked at a rate 2/3 miles every 10 minutes. What was his walking rate in miles per hour?

Answers

Answer:

12/18 every hour

Step-by-step explanation:

2/3 =10 minutes

4/6 = 20 minutes

6/9 = 30 minutes

8/12 = 40 minutes

10/15 =50 minutes

12/18 = 60 minutes

Write three factors of 24 which have a sum of more than 37 and less than 40

Answers

Answer:

24, 12, 2

Step-by-step explanation:

24, 12, and 2 are all factors of 24.

24+12+2=38

37<38<40

the three factors of 24 that have a sum between 37 and 40 are 2, 12, and 24, with a sum of 38. Another combination is 4, 8, and 24, also with a sum of 38.

To find three factors of 24 with a sum between 37 and 40, we can start by listing the factors of 24:

1, 2, 3, 4, 6, 8, 12, 24

Next, we'll try different combinations of these factors to see if any three of them add up to a sum between 37 and 40:

1 + 2 + 24 = 27 (not within the desired range)

1 + 3 + 24 = 28 (not within the desired range)

1 + 4 + 24 = 29 (not within the desired range)

1 + 6 + 24 = 31 (not within the desired range)

1 + 8 + 24 = 33 (not within the desired range)

1 + 12 + 24 = 37 (not within the desired range)

2 + 3 + 24 = 29 (not within the desired range)

2 + 4 + 24 = 30 (not within the desired range)

2 + 6 + 24 = 32 (not within the desired range)

2 + 8 + 24 = 34 (not within the desired range)

2 + 12 + 24 = 38 (within the desired range)

3 + 4 + 24 = 31 (not within the desired range)

3 + 6 + 24 = 33 (not within the desired range)

3 + 8 + 24 = 35 (not within the desired range)

3 + 12 + 24 = 39 (within the desired range)

4 + 6 + 24 = 34 (not within the desired range)

4 + 8 + 24 = 36 (within the desired range)

4 + 12 + 24 = 40 (not within the desired range)

6 + 8 + 24 = 38 (within the desired range)

6 + 12 + 24 = 42 (not within the desired range)

8 + 12 + 24 = 44 (not within the desired range)

Therefore, the three factors of 24 that have a sum between 37 and 40 are 2, 12, and 24, with a sum of 38. Another combination is 4, 8, and 24, also with a sum of 38.

Learn more about factors here

https://brainly.com/question/11907868

#SPJ2

Willie won 125 lollipops playing hoops at
his school's game night. Later, he gave
four to each of his friends. He only has 1
remaining. How many friends does he
have?

Answers

Answer:

Step-by-step explanation:

Easiest way to do this is to work backwards.

If Willie only has 1 remaining lollipop, this means that he must've given a total of 124 lollipops to his friends.  (125 - 1 = 124)

Then we know he gave 4 lollipops to each friend. So all you need to do is divide the total number of lollipops he gave to his friends (124) by how many he gave to each friend.

Number of friends = Total number of lollipops given to friends / Number of lollipops given to each friend.

Number of friends = [tex]\frac{124}{4} = ?[/tex]

Write the number 3 2/5 in a/b form

Answers

Answer:

Step-by-step explanation:

16/5

5*3=15+1=16

16/5

Look at image. Please help quick.

Answers

Answer:

its most likely B

Step-by-step explanation:

42.564in expanded form

Answers

40 + 2 + 0.5 + 0.06 + 0.004

Which of the following best describes the slope of the line below

O A. Positive
B. Negative
C. Zero
D. Undefined

Answers

Answer:

zero letter c

Step-by-step explanation:

it is c also hey

what determines the range of a function?​

Answers

Answer:

all possible y values

Step-by-step explanation:

any y value that goes in the function is in the range , an easier way to determine that would be using graphs.

help please im begging

Answers

Answer:

D and E :)

Step-by-step explanation:

Sheila makes $12.50 per hour. Calculate her earnings for a 40-hour week.
Gross Earnings
Taxes Withheld
Gross Pay
Social Security Tax
$31.00
Medicare Tax
$7.25
Total Amount of Withholdings/
Federal Tax
$44.05
Deductions:
State Tax
$15.85
Deductions
Net Pay:
Net Earnings
$
Accompanies: Employee Compensation Components

Answers

Shelia's gross pay is $500. Shelia's total amount of withholding / deductions is $98.15. Shelia's net pay is $401.85.

What is the gross pay, net pay and the total witholding?

Gross pay is the total amount earned before any deductions.

Gross pay 12.50 x 40 = $500

Shelia's total amount of withholding is the sum of all the taxes paid.

Shelia's total amount of withholding = 31 +  7.25 + 44.05 +  15.85 = $98.15

Net pay is the gross pay less the total withholding.

$500 - $98.15 = $401.85.

To learn more about taxes, please check: https://brainly.com/question/25311567

What is the slope of the perpendicular lines?

y = - 5/2x - 8

A) y = - 5x
B) y = 5x
C) y = x - 5

Answers

Answer: x=16/5

Step-by-step explanation:

Answer:

16/5

Step-by-step explanation:

Find the value of X: 3x (-35) = 2x

Answers

X=0
Pls mark brainliest

A restaurant charges $1.30 for one biscuit and two eggs it charges $2.15 for two biscuits in three eggs what is the cost of one biscuit and one egg

Answers

Answer:

$1.85

Step-by-step explanation:

2.15

-1.30

--------

1.85

One queso dip recipe calls for 4 pieces of cheese and 2 peppers. Hector triples the recipes when he makes queso for his family. How many pieces of cheese for every 1 pepper?

Answers

Answer:

2 pieces of cheese for 1 pepper.

After tripling it: 12:6

Step-by-step explanation:

Focus on the first sentence.

4 pieces of cheese to 2 peppers. Turn it to ratio.

4:2

Simplify:

2:1

So, for every 1 pepper, we have 2 pieces of cheese.

if 2x – 1 is a factor of 16x4
24x3 + 2x + f, find f.

Answers

Answer:

f = -5

Step-by-step explanation:

If 2x – 1 is a factor of 16x4 + 24x3 + 2x + f, find f.

If 2x - 1 = 16x⁴ + 24x³ + 2x + f, find f.

2x - 1 = 0

2x = 1

x = 1/2

Hence

f(1/2) = 16(1/2)⁴ + 24(1/2)³ + 2(1/2) + f

= 16(1/16) + 24(1/8) + 1 + f

= 1 + 3 + 1 + f

= 5+ f

f = -5

Hrhdldkxbdmskshd dahtjfvcjcjc

Answers

Answer:

this sentence is grammatically incorrect

lol

Answer:

Thanks for the points luv

Step-by-step explanation:

Have a good day/night :)

Brainliest pls?

Paul runs 4.8 km every morning. How many feet are in 4.8 km?

Answers

15748 feet. hope this helps! :)

Answer:

15748 feet

Step-by-step explanation:

There are 3280.8 feet in 1 km, and if we multiply that by 4.8, we get a result of about 15748 feet. Hope it helps!

what’s
20(-1.5r+0.75)

Answers

Answer:

-30r+15

Step-by-step explanation:

Apply the distributive law:

20(-1.5r)+20 · 0.75

Apply minus plus rules:

-20 · 1.5r +20 · 0.75

Simplify:

-20 · 1.5r + 20 · 0.75 = -30r+15

I hope it's right!! :)

#answer please with work

Answers

y
=
x
2
+
8
x
+
6
Pls mark brainliest

What does it mean by "interpret its meaning"? I underlined it for you guys.

Answers

it’s asking what is the graph showing basically what is it telling or showing you. so for number 17 it would be that every two hours, the miles traveled decreases by 100 miles. i hope i explained this well enough for you, good luck :)

.a. Find the LCM of the 45 and 70​

Answers

Answer:

630.

Find the Prime factorization of 45, 3 x 3 x 5

Find the prime factorization of 70, 2 x 5 x7

Multiply each factor the greater number of times it occurs.

You get 630.

LCM of 45 and 70 :

= 45 ÷ 5 , 70 ÷ 5 ( Both the numbers are being divided by 5 ; which is their smallest common factor )

= 14 , 9

= 14 ÷ 14 , 9 ( We are dividing 14 by 14 as both 9 and 14 dont have have a common factor )

= 1 , 9

= 1 , 9 ÷ 3 ( 9 is being divided by 3 )

= 1 , 3

= 1 , 3 ÷ 3 ( 3 is being divided by 3 )

= 1 , 1

LCM of 45 and 70 = 5 × 14 × 3 × 3

LCM of 45 and 70 = 630

Therefore , the LCM of the 45 and 70 = 630 .

what is 63 times 4? pls help

Answers

Answer:

252

Step-by-step explanation:

Hope this helps

Answer:

252

Step-by-step explanation:

In a medical research study, a researcher selects a hospital and interviews
all the patients that day. Which sampling method is being used?

Answers

Answer:

vtgg

Step-by-step explanation:

Which postulate or theorem proves that these two triangles are congruent?
A. ASA Congruence Postulate
B. AAS Congruence Theorem
C. HL Congruence Theorem
D. SAS Congruence Postulate

Answers

Answer:

Option (B)

Step-by-step explanation:

From the given picture,

Given:

Two lines PM and QR are intersecting each other at a point N.

∠NMR ≅ ∠NPQ

NR ≅ QN

To prove:

ΔMNR ≅ ΔPNQ

              Statements                               Reasons

1). NR ≅ QN                                 1). Given

2). ∠NMR ≅ ∠NPQ                     2). Given

3). ∠MNR ≅ ∠PNQ                     3). Definition of vertical angles

4). ΔMNR ≅ ΔPNQ                     4). AAS theorem of congruence

Therefore, Option (B) will be the correct option.

Answer:

B: AAS Congruence Theorem

A truck can be rented from Company A for ​$120 a day plus ​$0.20 per mile. Company B charges ​$50 a day plus ​$0.60 per mile to rent the same truck. Find the number of miles in a day at which the rental costs for Company A and Company B are the same.

Answers

The answer would be 175miles

A graph titled Health Club Rates has number of family members on the x-axis and Monthly cost (dollars) on the y-axis. For 2 family members, the cost is 84; 4 family members, 168; 6 family members, 252; 8 family members, 336.
Use the graph to find the unit rate.
$24 per person
$42 per person
$32 per person
$84 per person

Answers

Answer:

$42 per person

Step-by-step explanation:

I just did it and got it right.

Answer:

$42 per person

please please help!!!
Number of Chores, x
Days, y
The table shows the number of days required to
perform a given number of chores. The number of days
varies directly with the number of chores. What is the
constant of variation that completes the equation?
6
18
y =
9
27
12
36

Answers

Answer:

the answer is 3

Step-by-step explanation:

The table shows the number of days required to perform a given number of chores. The number of days varies directly with the number of chores. What is the constant of variation that completes the equation?

y =   3x

Answer:

3

Step-by-step explanation:

edge 2021;)

Does anyone know what the answer is ???? PLEASE HELP

Answers

Answer:

they should meet at point (1, 1)

(1,1) is the answer for your question it’s correct

2. What is the y-intercept of each equation?
a, y=6r+2
b. 10r + 5y = 30
c.y- 6 = 2(3x – 4)

Answers

Answer: 2 5 12

Step-by-step explanation:

y = 6r + 2 would be 2

10r + 5y = 30
5y = -10r + 30
y = -2r + 6 this one is 6

y - 6 = 2(3x - 4)
y - 6 = 6x - 8
y = 6x -2 this one is 2

what is the rate of change for the graph?

Answers

Answer:

Step-by-step explanation:

1,2

2,7

7-2 is 5 and 2-1 is 1

5/1 is the slope

7=2*5+b

7=10+b

-3=b

y=5x-3

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