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timurjin [86]
2 years ago
13

Kristen and her brothers had a pizza divided into 10 slices. She and her two

Mathematics
2 answers:
victus00 [196]2 years ago
4 0

Answer:

1/2

Step-by-step explanation:

ruslelena [56]2 years ago
4 0
1/2 because half of 10 is 5
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Which method would be more efiicient to solve the system y=1/2x and 2x+3y=28
Licemer1 [7]
Probably the subsitution method


y=1/2x
subsitute that fr y

2x+3(1/2x)=28
2x+3/2x=28
times 2 both sides
4x+3x=56
7x=56
divide by 7 both sides
x=8
sub back

y=1/2x
y=1/2(8)
y=4

(x,y)
(8,4)
6 0
3 years ago
Find three solutions of the equation.
Gwar [14]

Answer:

3rd group of possible answers is the correct set

Step-by-step explanation:

Each of the three points in the 3rd line of possible answers is a solution of the given equation, as can be verified by substitution:

If x = -2, y = -8(-2) = +16

If x = 3, y = -8(3) =  -24

If x = -4, y = -8(-4) = +32

8 0
3 years ago
Read 2 more answers
Find 3/4ths of 40 ......................................................
Mkey [24]
30. 

3/4 is equal to 75%, so take 75% of 40 by multiplying .75 by 40 to get 30
5 0
2 years ago
Read 2 more answers
Y^2 +5y+4= ???????????????
joja [24]

Answer:

y²+5y+4=y²+4y+y+4=y(y+4)+1(y+4)=

<u>(y+4)(y+1)</u>

4 0
3 years ago
What is the solution to the system of equations? (7, 9) (9, 7) (–5, 11) (11, –5)
KIM [24]

Answer: (7, 9)

Step-by-step explanation: To solve this system, I would use addition.

To solve a system of equations by addition,

we need one of our variables to cancel out.

Notice that we have a 4x in our first equation.

If we had a -4x in our second equation, the x's would cancel.

To create a -4x in the second equation,

we must multiply the entire equation by -4.

So we have (-4)(x + 6y) = (61)(-4).

Rewriting this equation, we have -4x - 24y = -244.

Now let's rewrite both equations.

<h2>4x - 5y = -17</h2><h2>-4x - 24y = -244</h2><h2>_____________</h2><h2 />

Now when we add the equations together, the x's cancel.

So we're left with -29y = -261.

Now divide both sides by -29 and we have y = 9.

To find x, we plug a y back in for x in either equation.

So let's go with our second equation, x + 6y = 61.

Plugging a 9 in for y, we have x + 6(9) = 61 or x + 54 = 61.

Subtracting 54 from both sides, we have x = 7.

So x = 7 and y = 9 which we can write as the ordered pair (7, 9).

6 0
3 years ago
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