55x^ 2 + 62y^ 2 + 38 − 63x^ 2 + 8

Answer:

4⅜ hours

Step-by-step explanation:

Hope this helps

Answer:

4⅜ hours

Step-by-step explanation:

Answer:

30 seconds

Step-by-step explanation:

Answer:

It would take 30 seconds.

Step-by-step explanation:

Per second, you would travel 6 feet. Dividing 180 by 6 gives you 30.

Answer:

35mins

Step-by-step explanation:

Can you hear me now cost function: y=0.15x+50.75

24 Hour Calls cost function: y=0.9x+24.5

Set two equations equal to each other because we want to find the time (x value) that make the cost  (y-value) equal

0.15x+50.75=0.9x+24.5

0.75x=26.25

x=35mins

Answer:

solve for x

x=(-13/2-3y/2

solve for y

y= -13/2-2x/3

Step-by-step explanation:

hope its the answer you where looking for

Answer:

48 - 16j

Step-by-step explanation:

Answer:

-16j+48

Step-by-step explanation:

Simplifying

Rearrange Terms

[tex]-8(-6+2j)\\-8(2j-6)\\[/tex]

Distribute

[tex]-8(2j-6)\\-16j+48[/tex]

Answer:

63

Step-by-step explanation:

This is because 25% of 84 is 21. He knows how to play 21 songs. 84-21=63.

63 is how many songs he does NOT know how to play.

Answer:

The answer is 63.

----------------------------------

24% of 84 is 21. 84 - 21 = 63.

Answer:

Draw a straight line across the center of the dot and join 2 edges of the circle together. Then measure the line.

Step-by-step explanation:

The diameter of the circle is only found when it is in the center of the circle.

Answer:

x = -11

Step-by-step explanation:

1. Distribute 3 to the parenthesis and distribute 5 to the parenthesis

3x-12 = 5x + 10

2. Combine like terms (subtract 3x on both sides and then subtract 10 on both sides)

2x = -22

3. Divide both sides by 2

x = -11

please give me brainliest if this helped

Answer:

x=−11

Step-by-step explanation:

3(x-4)=5(x+2)

Simplify both sides of the equation:

3(x−4)=5(x+2)

(3)(x)+(3)(−4)=(5)(x)+(5)(2)(Distribute)

3x−12=5x+10

Subtract 5x from both sides

−2x−12=10

add 12 to both sides

−2x=22

Divide by -2 both sides

x=−11

Hope this helps.

Answer:

34.65$

you just subtract the 13.8$ from the 48.45$

Answer:

a.) y=1/3x +3

Step-by-step explanation:

Answer:

123/78

Step-by-step explanation:

Answer:

its C, Ankur found that the quotient of a positive number and a negative number is positive.

Step-by-step explanation:

i got it right on edge

Answer:

11.V=-2

12.X=6

13.A=9

14.X=-4

15.A=-5

16.P=3

17.K=6

18.M=0

Step-by-step explanation:

Subtract the number on each side to get the variable by itself or add depending on if it has a plus or minus on the side with the variable.

Hope this helps!

Please give me a brainist and add me also make me stars go up. :)

Answer:

11. v = -2           12. x = 6        13. a = 9    14. x = -4       15.  a = -5       16. p = 3      

17. k = 6           18. m = 0

Step-by-step explanation:

Answer:

False

Step-by-step explanation:

1.a    2 + 22s          

1 b.  -6a + 8            

2a.  81r + 18            

2b.  132+ 50p          

3a.  -36 - 4r              

3b. 40 + -25m          

4a. 6+16r              

4b.  -28z + 7          

5a.   96y - 40

5b.   -99u -72

6a. 77 - 63m

 6b.  -40 - 35p

  7a. -72v + 6d

7b.   -45b - 9c

Answer:

I agree with the statement.

Step-by-step explanation:

As long as both numbers are being multiplied by the same quantity, you will always end up with the same number.

Answer 18

Step-by-step explanation:

Answer:8 6/8

Step-by-step explanation:6 1/8+ 2 5/8

Answer:

8 6/8

Step-by-step explanation:

Answer:

60%

Step-by-step explanation:

Answer:

Step-by-step explanation:

jjjjj

The graphical function representation of a function, represents the mapping of the domain of the function to the range of the function

The sum of the coordinates of the point is 7.25

The reason the above values are correct is as follows;

The given parameter is;

The point (9, 7) is on the graph y = f(x)

Required:

A point on the graph, 2·y = (f(2·x)/2) + 2

Solution:

Let x = 9/2, given that (9, 7), is on the graph, f(x), we get;

f(2·x) = f(2 × 9/2) = f(9) = 7

Therefore;

2·y = (f(2·x)/2) + 2 = (7/2) + 2) = 5.5

y = 5.5/2 = 2.75

y = 2.75

The coordinate of the point is (x, y) = (2.75, 9/2)

The sum of the coordinates of the point is 2.75 + 9/2 = 7.25

Learn more about functions here:

https://brainly.com/question/21222613

Answer:

A

Step-by-step explanation:

13r-6.5s+3.7r-1.25s

13r+3.7r-6.5s-1.25s

=16.7r-7.75s

Answer:

40 students

Step-by-step explanation:

If the tickets are 1/5 that means they cost 4/5

25 * 4/5 = 20

The tickets cost 20 and the train costs 15 so the total per person is 35

Teachers: 2 at 35 = 70

1500 -70 = 1430

Take 1430 / 35 =40.85714286

We can send 40 students

Answer:

40

Step-by-step explanation:

since the school allots £1500 to spend on a trip to the theatre.  Theatre tickets have a regular cost of £35 each and are on offer for 1/5 off

therefore 4/5*35 = 28 for the tickets

:

A train ticket for the day will cost £15 each.

therefore total cost for each: 28 + 15 = 43 pounds each

:

If 2 teachers and the maximum number of students attend, how much money will the school have left over?

:

let s = no. of students

43(s+2) =< 1500

43s + 86 =< 1500

43s =< 1500 - 86

43s =< 1414

s =< 1414/43

s =< 32.88, 32 students max

:

find how much left over. plus 2 teachers = 34 people

1500 - 43(34) =

1500 - 1462 = 38 pounds left over

Answer: $41.24

Step-by-step explanation: Hope this helped.

Answer:

12 miles

Step-by-step explanation:

mph = mile per hour

So if they travel 4 miles per hour, 4(3) = 12, they will travel 12 miles by 3 hours

Answer:

dude that's 12

Step-by-step explanation:

just multiply 4 mph times 3 hr

Answer:

ez

Step-by-step explanation:

For a all you have to do is multiply by 3 so the answer would be -15

For b all you have to do is subtract 12 then divide by -1 so the answer would be -0.5

for c all you have to do is divide by -10 so the answer would be -0.1/-10 or 0.1/10

Answer:

For the first one

x= About 32.02

y= About 27.58

z= About 55.16

For the second one

x= 6

y= 12

z= about 16.97

Step-by-step explanation:

Their all really simple

These are special right triangles, a 45, 45, 90 and a 30, 60, 90 triangle. The formla for these triangles are shown in the picture below.

Now for the first one ]

Lets find Z first

Now this is a 45 special right triangle so we know the other side s 39 but the hypotenuse is n[tex]\sqrt{2}[/tex] (I’m using N becuase x and y is taken) So n is basically 39 (look at the image below) and just solve that. Now for x and y. We know its a 30, special right triangle. We know that 39 here is already the answer for  N[tex]\sqrt{3}[/tex] so make an equation to find the n and you’ll get 27.58 for y. Now For x, its just doubled the y.

For the second one this is easier

We know that the x is (6) becuase its already in the radical number, now to find the hypotnuse, we double that and get 12. Now we know what y is becuase since the 2nd triangle is a 45/45/90, we know that 12 is y, the hypotnuse is just N[tex]\sqrt{2}[/tex] and we just plug in the n with 12 and solve it!