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2 years ago

6

Ann bought 2 packages of ground beef. Each package weighed 1 3/4 pounds. When she got home, she divided the ground beef into 1/4

pound hamburger patties. How many hamburger patties did she make?

1 answer:

castortr0y [4]2 years ago

3 0

Is there more too it?

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Use row operations to solve the system.

Aleks04 [339]

Answer:

x = 2, y = 7, z = 12

Step-by-step explanation:

x + y - z = -3 (1)

3x - y + z = 11 (2)

x - 4y + z = -14 (3)

add (1) and (2)

4x = 8 x = 2

add (1) and (3)

2x - 3y = -17

2(2) - 3y = -17

-3y = -17 - 4

-3y = -21

y = 7

Find z using any equation

x + y - z = -3

2 + 7 - z = -3

9 - z = -3

z = 12

3 0

3 years ago

What type of triangle is formed by joining the points D(7, 3), E(8, 1), and

KiRa [710]

D(7, 3), E(8, 1), and F(4, -1)

We calculate the squared distances between the points:

$DE^2 = 1^2 + 2^2 = 5$

$EF^2=4^2+2^2=20$

$DF^2=3^2+4^2=25$

Since $DF^2=DE^2+EF^2$ we have a right triangle with hypotenuse DF.

7 0

3 years ago

Raina, Trey, and Ali have a total of $145 in their wallets. Trey has 4 times what Ali has. Raina has $7 more than Ali. How much

miv72 [106K]

Answer:

Step-by-step explanation:

If ali has 23 so Raina has 7 more than Ali = 23 + 7 = 30

And trey has 4 times as much as Ali = 23 x 4 = 92

Total = 92 + 23 + 30 = 145

6 0

2 years ago

What is 4/6 equal to

timama [110]

$\frac{2}{3}$

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3 years ago

The average number of acres burned by all wildfires in the united states is 780 acres with standard deviation 500 acres. of cour

shusha [124]

Mmmmmmmmmmmmmmmmmmmmmmmmmmmm

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3 years ago