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Kamila [148]
3 years ago
5

Plsss I wanna pass my math class

Mathematics
2 answers:
navik [9.2K]3 years ago
8 0

Answer:

Your answer should be the second one.

When you multiply everything in the parenthesis that's what your answer should come to.

grigory [225]3 years ago
4 0

Answer:

7y(-4x+5)

Explanation:

because 7y(-4x+5)=-28xy+35y

and the rest doesn't match

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How do I right this as an inequality? Quotient of a number r and 7 is no more than 18.
juin [17]

Answer:

Step-by-step explanation:

r x 7 => 18

3 0
4 years ago
Point C is located at (1, 2) and point D is located at (-4, -2). Find the X value for the point that is 1/4 the distance from po
kolbaska11 [484]
D (-4; -2)
C (1; 2)
M (x; y)
DM+MC=CD
CM:MD=1:3
M: x= x(C)-(x(C) - x(D))/4=1-(1-(-4))/4=1 - (6/4)=1 - 1,5= - 0,5
M: y=y(C)-(y(C) - y(D))/4=2-(2-(-2))/4=2 - (4/4)=2 - 1=1
M(x; y)=M( -0,5; 1)
8 0
4 years ago
The work of a student to solve a set of equations is shown:
anzhelika [568]
That would be step 2.

step 1 is correct....multiplying the first equation by -6 which gives you :
-6y = -24 + 12z
but in step 2, the simplifying would be : y = 4 - 2z
6 0
3 years ago
What point in the feasible region maximizes the objective function, 3x + y ≤ 12, x+y ≤5, x ≥0,y ≥0
forsale [732]

Step-by-step explanation:

We have to find the point in the feasible region which maximizes the objective function. To find that point first we need to graph the given inequalities to find the feasible region.

Steps to graph 3x + y ≤ 12:

First we graph 3x + y = 12 then shade the graph for ≤.

plug any value of x say x=0 and x=2 into 3x + y = 12 to find points.

plug x=0

3x + y = 12

3(0) + y = 12

0 + y = 12

y = 12

Hence first point is (0,12)

Similarly plugging x=2 will give y=6

Hence second point is (2,6)

Now graph both points and joint them by a straight line.

test for shading.

plug any test point which is not on the graph of line like (0,0) into original inequality 3x + y ≤ 12:

3(0) + (0) ≤ 12

0 + 0 ≤ 12

0 ≤ 12

Which is true so shading will be in the direction of test point (0,0)


We can repeat same procedure to graph other inequalities.

From graph we see that ABCD is feasible region whose corner points will result into maximum or  minimu for objective function.

Since objective function is not given in the question so i will explain the process.

To find the maximum value of objective function we plug each corner point of feasible region into objective function. Whichever point gives maximum value will be the answer

7 0
3 years ago
Need help ASAP<br> find the mean,median, range and IQR<br> brainliest
N76 [4]
The mean= 5.5

The median= 6

The range= 10

The IQR= 5

I really hope this helps:)
4 0
4 years ago
Read 2 more answers
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