If 3 pounds of apples cost $1.89 how much do 5 pounds cost

Answer:

Step-by-step explanation:

7.80=66(.05)+.10(x)

7.80=3.30+.10(x)

7.80=3.30+.10x

4.50=.10x

x=45

Check

66 nickels at .05=3.30

45 dimes at .10= 4.50

3.30+4.50= 7.80

Answer:

-30

Step-by-step explanation:

i am not sure just remember getting taught it.

Answer:

Grace jumps for 9 minutes.

Zoe jumps for 12 minutes.

Step-by-step explanation:

Let the time for which Grace jumps the rope = [tex]x[/tex] minutes

Let the time for which Zoe jumps the rope = [tex]y[/tex] minutes

As per question statement:

[tex]x+y=21 ..... (1)[/tex]

Number of times Grace jumps in one minute = 66

Number of times Zoe jumps in one minute = 56

Number of times Grace jumps in [tex]x[/tex] minutes = 66

Number of times Zoe jumps in [tex]y[/tex] minutes = 56

As per question statement:

[tex]66x+56y=1266 ...... (2)[/tex]

Multiplying equation (1) with 66 and subtracting equation (2) from it:

[tex]10y = 1386 - 1266\\\Rightarrow 10y=120\\\Rightarrow y =\bold{12\ min}[/tex]

By equation (1):

[tex]x=21-12=\bold{9\ min}[/tex]

Therefore, the answer is:

Grace jumps for 9 minutes.

Zoe jumps for 12 minutes.

Answer: answer is 10

Step-by-step explanation:

8 x 8 = 64

6 x 6 = 36

64 + 36 = 100 cm2

100 cm2 = 10

Answer:

I got you fam

Step-by-step explanation:

First One:

x -3y = -5

x = -5 + 3y

Or

x -3y = -5

-3y = -5 -x

y = 5/3 + x/3

Second one:

x +3y = 1

x = 1 - 3y

Or

x + 3y = 1

3y = 1 -x

y = 1/3 - x/3

Answer:

-45 is xn

The x=3 and x=-15 multiply them together which is the answer to xn

Answer:

PARELLEL

Step-by-step explanation:

Line e and f are parallel. They don't meet. PLEASE MARK ME BRAINLIEST

Answer:12500

Step-by-step explanation:

10000 x 5% = 500. 500 x 5 = 2500. 10000 + 2500 = 12500

Answer:

12763

Step-by-step explanation:

Got it right on deltamath.

Answer:

8100

Step-by-step explanation:

Answer:

-16

Step-by-step explanation:

x/4 + 9 = 5

move 9 to the other side

x/4= -4

multiply both sides by 4

x=-16

Answer:

19 km/h

Step-by-step explanation:

average speed = total distance / total time

in this case it will be 57/3 = 19 km/h

Answer:

about 13.

Step-by-step explanation:

sqrt of 180=13.416...

Answer:

6√5

Step-by-step explanation:

180=[tex]2^{2} *3^{2} *5[/tex]. So we can say that 180=6•6•5. So, √180=6√5.

Answer:

m<C I believe is 25 degrees

Step-by-step explanation:

Answer:

the answer is 25 degrees

Answer:

a^n +3

Step-by-step explanation:

simpify: a^na^3:\quad a^{n+3}

a^{n+3}

Answer:

-4

Step-by-step explanation:

down 4, right 1

-4/1

Answer:

-4

Step-by-step explanation:

Points: (-1,3) and (0,-1)

m = y2 - y1/x2 - x1

m = -1 - 3/0 - (-1)

m = -1 - 3/0 + 1

m = -4/1

m = -4

Answer:

B. Multiply the first equation by 2

hope this helps tell me if you need more :)

Multiply the first equation by 2 then the variable y will be eliminated. Then the correct option is B.

A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.

Consider this system:

3x + 1/2y = 3 ...1

6x - y = 2     ...2

The operations would eliminate the y-terms if the two equations were added together afterward will be

Multiply the first equation by 2. Then we have

6x + y = 6

6x -  y = 2

Add the above equations, then we have

12x = 8

y is eliminated.

More about the linear system link is given below.

https://brainly.com/question/20379472

#SPJ2

Answer:

It depends on what x is

Step-by-step explanation:

I cant help

Answer:

0

Step-by-step explanation:

well if its just 4, then that means it doesnt have a y value

Answer:

Perimeter of the new rug   = 4x+2 feet

Step-by-step explanation:

Let the length be x feet and the width of the first rug will be x- 3 feet

Area = length * breadth = x * (x-3) = x²- 3x

Length of the new rug = x+2 feet

Width of the rug = x+2-3= x-1 feet

Perimeter of the recatngle = 2( length + breadth)

                                             = 2( x+2 + x-1)

                                               = 2 (2x+1)

                                                = 4x+2 feet

Answer:

40 centimeters

Step-by-step explanation:

Step-by-step explanation:

plug the coordinate points into the equations and solve for the remaining variable.

b) (2,3) - 5(2) + b(3) = 16

10 + 3b = 16. 3b= 6. b = 2

(0,8) - 5(0) + 2(8) = 16. 0+ 16 = 16. ☆

a) (4,4) assume based on results you meant y squared. (y^2)

(4)^2 = 4k. 16 = 4k. k = 4

(8)^2 = 4(16). 64 = 64. ☆

Answer:

Please check the explanation.

Step-by-step explanation:

a)

Given

(4,4) is a point on a locus whose equation is y²=kx

Putting (4, 4) in y²=kx

(4)² = k(4)

16 = 4k

k = 16/4

k = 4

Checking the point (16, 8) on the locus

y²=kx

Putting (16, 8) and k =4 in y²=kx

y²=kx

(4)² = 4×4

16 = 16

L.H.S = R.H.S

Therefore, (16, 8) is another point on the locus.

b)

Given

(2, 3) is a point on a locus whose equation is 5x +by= 16

Putting (2, 3) in 5x +by= 16

5x+by=16

5(2)+b(3)=16

10+3b=16

3b=6

b=6/3

b=2

Putting (0, 8) and b=2 in 5x +by= 16

5x +by= 16

5(0)+2(8)=16

0+16=16

16=16

L.H.S = R.H.S

Therefore, (0, 8) is another point on the locus.

Answer:

9

Step-by-step explanation: 3x4= 12  -3=9

Answer:

what's nelly's age

Step-by-step explanation:

4x divided by 3?

Answer:

50.

Step-by-step explanation:

12 x 45 = 540. 45 + 5 = 50.

Answer:

-60 wdym simplify

Step-by-step explanation:

Answer:

t¹⁰

Step-by-step explanation:

The 10th power of t:

t¹⁰

Answer:

Step-by-step explanation:

Answer:

here is the answer -(12)/(-3)

Step-by-step explanation:

PLEASE MARK BRAINILIEST!