Two numbers have a sum of 71 and a difference of 37 (PLEASE HELP ME,MY TEACHER HATES ME)

Answers

Answer 1

Answer: The right answer for the question that is being asked and shown above is that:

Two numbers have a sum of 71 and a difference of 37
x + y = 71
x - y = 37

So in order to get the two numbers, here it is:
x + y = 71
x - y = 37
------------
2x = 108
x = 54
y = 71 - 54
y = 17

So the two numbers are 54 and 17

Answer 2

Answer: Hey, Zsteffen96gmailcom!
First, I am terribly sorry to hear that your teacher dislikes you.
Now, on to the problem!
+71, 37

Its simple guess and check!
54, 17

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PLEASE HELP MEEE!!!!! GIVE YOU ANYTHING YOU WANT JUST GIVE ME THE ANSWER! well, i wouldn't give you everything but i will give you brainlest and points. that's really all you need correct? Which binomials are factors of x2−9x−36?

Select the two correct answers.

x + 9

x−3

x + 3

x−4

x + 4

x−12

x + 12

x−9

Answers

Answer:

Step-by-step explanation:

x²-9x -36 =(x+3) (x -12)

because

x² -12x +3x -36 =

x( x-12) +3( x-12)=

(x-12) (x+3)

There are 376 stones in three piles. The second pile has 24 more stones than the first. The third pile has twice as many stones as the second. How many stones in each pile?

Answers

Let the stones of each piles be x, y and z respectively.

thus, x + y + z = 376

x=x
y = x + 24
z= 2y = 2(x+24)

This becomes x + x + 24 + 2(x+24) = 376

= 4x + 24 + 48 = 376

= 4x + 72 = 376

Thus, 4x = 304

Thus, x = 76

and y = 76 + 24 = 100

and z = 2 x 100 = 200

Thus, first pile has 76 stones, second pile has 100 stones and third pile has 200 stones

I need help on these 2

Answers

8)
6(2+2p)=-8(4-p)
12+12p=-32+8p
-8p -8p
12+4p=-32
-12 -12
4p=-44
/4 /4
p=-11

*whatever you do to one side of the equation you have to do to the other

Over twenty years, it was found that the number of doctors of medicine, MD (in thousands), in the United States can be approximated by MD=(28,390+693t)/(85-t) where t=0 represents 1980. The number of doctors of osteopathy, DO (in thousands), can be approximated by DO=(776-12t)/(65-2t) .Write an expression for the total number I of doctors of medicine (MD) and doctors of osteopathy (DO). Simplify the result.

How many MDs did the United States have in 2010? How many MDs did the United States have in 2010?

Answers

The expression for the total number of doctors is $(-1374t^2+43192.22t+67805.35)/((65-2t)(85-t) )$

We have to write an expression for the number of MD and DO

a. MD + DO

$(28390+693t)/(85-t) +(776-12t)/(65-2t)$

This can be simplified as

$((28390+693t)(65-2t)+(776-12t)(85-t) )/((85-t)(65-2t) )$

$= (-1374t^2+43192.22t+67805.35)/((65-2t)(85-t) )$

b. If t = 0 in 1980, in 2010, t = 30

The number of MD would be

$(28390+693*30)/(85-30) \n= 379$

The number of DO would be

$(776-12*30)/(65-2*30)\n\n= 83$

Read more on mathematical expressions here: brainly.com/question/723406

#SPJ6

Answer:

16. the expression below.

17. about 470,933 MD's and about 18,743 DO's

Express each ratio as a fraction in simplest form. Hint: 1 yard = 3 feet 9 yards to 48 feet

Answers

1 yard = 3 feet
9 yards * 3 = 27 feet
9 yards : 48 feet =
= 27 feet : 48 feet =
= 27 / 48 ( we will divide numerator and denominator by 3 ) =
= 9 / 16

Change 12.39% to a decimal

Answers

To change a number to percent, move the
decimal point 2 places that way ==> .

To change a percent to a number, move the
decimal point 2 places this way <== .

12.39% = 0.1239 .

Answer:

The answar is 0.1239

Step-by-step explanation:

The percent sign tells un to divide 12.39 by a hundred(12.39/100). Divide 12.39 by hundred and you get 0.1239

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