Mathematics Middle School

The sum of present ages of John and his father is 58 years. If John is 24 years younger than his father, then find the present age of John’s father.

Answers

Answer 1

Answer:

father is 41

Step-by-step explanation:

J = johns age

f = fathers age

j+f = 58

j = f-24

Substitute the second equation into the first

f-24 +f = 58

2f -24= 58

Add 24 to each side

2f = 58+24

2f =82

f = 82/2

f = 41

Related Questions

Use order of operations to evaluate the expression.
12 x (3 + 4) ÷ 2 - 10

Answers

Answer:

32

Step-by-step explanation:

Here's the order of what to solve:

Parenthesis

Exponents

Multiply

Divide

Add

Subtract

12 x (3 + 4) ÷ 2 - 10

12 x 7 ÷ 2 - 10

12 x 7 ÷ 2 - 10

84 ÷ 2 - 10

84 ÷ 2 - 10

42 - 10

42 - 10

= 32

Answer:

Step-by-step explanation:

Add: 3 + 4 = 7

Multiple: 12 * the result of step No. 1 = 12 * 7 = 84

Divide: the result of step No. 2 : 2 = 84 : 2 = 42

Subtract: the result of step No. 3 - 10 = 42 - 10 = 32

Please help me!
Ill give brainly

Answers

Answer:

Volume of 1 is 9^2 units. Volume of 2 is 8^2units.

Step-by-step explanation:

Due to not having a unit amount we have to assume each square equals 1 unit. From that we also have to assume the squares we can not see are also there.

How I got the answer is I simply counted the boxes due to them only be 1 unit^2 in volume they always will be 1 so you can just count.

First one would be 9 cubed units and the second one would be 8 cubed units

what equation is equivalent to 1/3 (9x+12) + 4x + 6
A. 7x + 18
B. 7x + 10
C. 13/3x + 6
D. 13x + 18
for "C" its 13 over 3 x noy 13 divided by 3x

Answers

B. 7x+10 would be the correct answer

It took Simone 7 hours to mow 4 lawns. She gets paid $12.00 for each lawn she mows. How many lawns could be mowed in 35 hours and how much money would Simone make?

Answers

she would mow 20 lawns in 35 hours and make $420
good luck!!
Simone would mow 20 lawns in 35 hours and will make 420$

Solve the following multi-step equation: 2(z + 5) + 4 = -12 What does z equal?

Answers

Answer:

z=-13

Step-by-step explanation:

LEAVE AN BRIANLEST!!!

z=-13.... 2(-8)+4 -16+4= -12

plz help i dont understand

Answers

it’s the third option.

Where the -1 is shaded and the arrow continues right into the positive numbers.

Hope that helps, good luck! <|3

Answer:

B (number 2)

Step-by-step explanation:


pls answer this somebody!!!!

Answers

Answer:

12 units²

Step-by-step explanation:

A = bh

⇒ A = 6 × 2 = 12

100 poiints need help asap plzz and i will give brainlest
A figure is broken into a rectangle and a triangle. The triangle has a base of 8 inches and a height of 6 inches. The rectangle has a base of 8 inches and a height of 4 inches.
An irregular figure was broken into a triangle and rectangle.

The area of the triangle is
____ in2.
The area of the rectangle is
____ in2.
The area of the irregular figure is
____ in2

Answers

Answer:

Step-by-step explanation:

The area of the triangle is  = 1/2*base*height = 1/2*8*6

= 24 in2.

The area of the rectangle is = base*height = 8*4

= 32 in2.

The area of the irregular figure is  = triangle + rectangle = 24+32

= 56 in2.

Answer:

here you go have a nice day :)

Step-by-step explanation:

!!!*BRAINLIEST*!!!


Solve for the value of e

Answers

It is really easy it is 6
44 hope this helped

For each of the figures shown below, the existing coordinates are listed. Follow the instructions for each shape and perform the specified rigid motion. Clearly list ALL the coordinates for the new image.

A parallelogram with points A (-7, 5), B (6, 5), C (4, -2) and D (-9, -2). Translate with the rules (x + 3, y - 2)

Answers

Answer: A(-4,3) B(9,3) C(7,0) D(-6,-4)

Step-by-step explanation: add 3 to each x value and subtract 2 from every y value

Plz help me thank you

Answers

Answer:

Y tink it's 180

Step-by-step explanation:

Hope helps you :3

180° hope this helps :)

The price of a sweater was reduced from $25 to $10. By what percentage was the price of the sweater reduced?

Answers

i think it’s .. 2.5% ? 25 divided by 2.5 is 10.
I believe it is 60% you do 25 times 0.6 which is 15. Then 25 minus 15 is 10

can any of you guys help me out

Answers

Answer:

100 times rolled total

32 times number 2 was rolled

32/100 chance of rolling a 2 on the number cube

Heads was flipped 55 times, 100 total flips so 55/100

(32/100) x (55/100) = .176

176/1000 x 10 =

1760/10000 A

Step-by-step explanation:

A hamster weighs 100 grams, and it eats 200 decigrams of food. How many decigrams does the hamster weigh after eating?

Answers

Answer:

1,200 decigrams after.

Step-by-step explanation:

There are 10 decigrams in a gram, so 100 grams times 10 is 1000. Add that to the weight of the food. it would be 1,200.

1,200 decigrams? sorry if wrong

can someone plss help me asap. Answer options are
A. Function 1
B. Function 2
C. The functions have the same slope.

Answers

B. Function 2 is correct I think
the answer would be b. (function 2) because the y- intercept is greater than the first function and the slope is 1.1.

hayley wants to attend bellhaven collage after high school. she knows that the yearly cost is around $17000 per year. her parents started a college account for her when she was born with an inital amount 2000 and a 6% simple interest rate. it has been open for 18 years. hayley will also be given an academic achievement scholarship for $1000 for her first year of college. how much more will hayley need in order to pay for her first year of college if she uses all of the money she has available? Please show work too. You get 13 points if you answer and show your work.

Answers

i think the answer is 13,840

to start off use the formula IPRT which stands for interest, principal, rate, and time. so then you do 2,000 times 6% (or 0.06) then times that by 18 which is 2,160 so she earned 2,160 in her college account, next you add the 1,000 and that would make it 3,160. next you subtract 3,160 from 17000 to see how much she still has to pay which i think is 13,840

if this is wrong lmk and i can try to fix it

darren lives 7/10 from the school and belinda lives 1/3 from the school. how much farther does darren live then belinda? hurry!!!!

Answers

Answer:

11/30

Step-by-step explanation:

You need to convert everything to a common denominator, so you would change everything into x/30 so 7/10 is equal to 21/30 and 1/3 is equal to 10/30 so you would just subtract 21-10 and get 11/30

11/30 is the answer :)

Help please!!!!!!!!!!!!!!!!!!!!!

Answers

yeah uh okay thanks for the points

No links i rlly need help

Answers

Answer:

The answer is B.

Step-by-step explanation:

It's the only equation that fits the information in the table.

It’s actually A because theirs a pattern on the bottom it’s counting by 4 so it’s T=4d-1

Please help!
I- HOW IS THIS QUESTION "SHORT"

Answers

Answer:

The answer is a

Step-by-step explanation:

Hope this helps

(If it does can I please have brainliest)

Its A the answer :))

Keith is watching a cooking show on TV and decides to try a new super-smoothie
recipe. The new smoothie recipe calls for 3 cups of blueberries and 8 cups of
other ingredients. In his old recipe, Keith himself combines 2 cups of blueberries
with 7 cups of other ingredients. Which smoothie recipe has more blueberries
compared to other ingredients? Create ratio tables or double line diagrams as a
way to justify your answer.

Answers

Answer:

The cooking show

Step-by-step explanation:

What are the vertices of the resulting image P'Q'R’ after rotating the figure 270° about the origin? Choose numbers to complete the coordinates. Numbers may be used once, more than once, or not at all.

Answers

Answer:

i dont know sorry

Step-by-step explanation:


Please help are you to do is find the surface area of the pyramid please help please

Answers

Answer:

ok

Step-by-step explanation:

Answer:

180.286868 or 180.29

Step-by-step explanation:

28 X 8.7 = 243.6

243.6 x 1/2 = 180.29

The following table shows the number of raisins in a scoop of a variety of brands of Raisin Bran cereal. Find the mean absolute deviation (MAD) of the data set

Answers

Answer:

The mad is two

Step-by-step explanation:

Find the slope of each line​

Answers

Rise over run

5 up over 4 left

-5/4 is your slope

Answer: The slope is -5/4.

Step-by-step explanation: The slope of a line refers to its direction and steepness. The slope can be expressed as a fraction that is commonly refered to as rise over run. In order to find the slope of a line, you need to find two coordinates on the line and use the "rise over run" method. The numerator (rise) is how many units up or down while the denominator (run) is how many units left or right. There are two given points on this specific line. To get from one to the other, you must go down 5 units and to the right 4 units; therefore, the slope, or rise over run, is -5/4.

I'm asking this again, sorry. But PLEASE PLEASE PLEEEASEE HELP! IT's URGENT!

Answers

Answer:

this is not a Question

Step-by-step explanation:

HELP HURRY!!!!! i will fail without answer

Answers

Answer:

i can't see the photo

Step-by-step explanation:

Which equation would demonstrate the commutative property? A.B.C.D.

Answers

Answer:

i cant see the equation so i cant answers it

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

REwaRDiNG BRAINLY TO CORRECT
A zoo measured the wingspan, in millimeters, of 9 butterflies.
55 50 54 57 50 55 53 52 55
What is the median length of the wingspans?

50 millimeters

54 millimeters

55 millimeters

57 millimeters

Answers

Answer:

The median is the middle of your data when it is arranged in order.

Since you have 9 data points, the median will be the 5th value.

Your data in numerical order would be:

50 50 52 53 54 55 55 55 57

Therefore, the median is 54mm

Step-by-step explanation:

Answer:

B. 54

Step-by-step explanation:

Put all numbers from least to greatest in order and cross one out on each side until you reach the final number in the middle with even crosses on each side.

50, 50, 52, 53, 54, 55, 55, 55, 57

50- crossed

57- crossed

50- crossed

55- crossed

52- crossed

55- crossed

53- crossed

55- crossed

Which leaves 54! Hope this helps, good luck! :)

A total of 2600 twenty dollars and ten-dollar coins are In a Piggybank. For every twelve twenty-dollar coin in the piggy bank there is 1 $10 dollar coin, how many twenty-dollar coins are in the piggy bank

Answers

Answer: 2600 if I'm wrong can u please use proper grammar cuz i kinda wanna try to solve it unless I'm right

Step-by-step explanation:

1 dollar coin is 3-3=9 the answer is C
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