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ivanzaharov [21]

3 years ago

5

A bunch of friends went to the snack shake for lunch. The first family ordered 4 hamburger and 4 orders of fries for 9$. The sec

ond family ordered only 1 hamburger and 2 orders of friends for 3$. What is the cost or one hamburger and one order of fries at the snack shack

1 answer:

nexus9112 [7]3 years ago

8 0

Answer:

$1.50 for hamburgers, and $0.75 for fries.

Hope this helps you! Have an amazing day :)

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erik [133]

Answer:

2490

Step-by-step explanation:

2300 votes plus 190 votes will be 2490 vote .one person is equals to one vote

3 0

3 years ago

The formula for the area of a circle is A = πr^2. Which equation shows the formula in terms of r?

Julli [10]

$A=\pi r^2\\\\\pi r^2=A\ \ \ |\text{divide both sides by}\ \pi\\\\r^2=\dfrac{A}{\pi}\ \ \ \ |\text{square root both sides}\\\\r=\sqrt{\dfrac{A}{\pi}}$

6 0

3 years ago

Solve the system 2x-2y=10 4x-5y=17

stiv31 [10]

Multiply 2x-2y=10 by 2,
4x-4y=20,
given:4x-5y=17
y=3
pluck it in
2x-6=10
move the 6 to the right
2x=16
divide
x=8
y=3

8 0

3 years ago

Read 2 more answers

Solve this system of linear equations. Separate the x- and y-values with a comma.

vodomira [7]

Answer:

x = $\frac{5}{2}$ , y = $\frac{5}{4}$

Step-by-step explanation:

1. Isolate for x in one of the equations:

2x = 9x - 14y

2x-9x = 9x-9x -14y

-7x = -14y

-7x/-7 = -14y/-7

x = 2y

2. Substitute 2y in for x in the second equation:

9(2y) = 40 - 14y

3. Simplify:

18y = 40 - 14y

4. Isolate for y:

18y+14y = 40 -14y+14y

32y = 40

32y/32 = 40/32

y = $\frac{5}{4}$

5. Substitute the new y-value into the simplified expression x = 2y:

x = 2(5/4)

x = $\frac{5}{2}$

hope this helps!

7 0

2 years ago

Evaluate 3^-2, please help

Marrrta [24]

Answer:

b−n=1bn.

Exact form: 1/9

Decimal form: 0.1

Have a good day! :)

8 0

3 years ago