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Nataliya [291]
2 years ago
7

CAN SOMEONE HELP ME OUT I BEG U

Mathematics
2 answers:
kap26 [50]2 years ago
5 0

Answer:

d

Step-by-step explanation:

omeli [17]2 years ago
3 0

Answer:

C.?..

Step-by-step explanation:

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X-y=6<br> 2x-3z=16<br> 2y+z=4<br><br> Solve the systems of equations.
Neko [114]

Answer:

Given System of equation:

x-y =6                                  .....,[1]

2x-3z = 16                           ......[2]  

2y+z = 4                              .......[3]

Rewrite the equation [1] as

y = x - 6                                .......[4]

Substitute the value of [4] in [3], we get

2(x-6)+z = 4

Using distributive property on LHS ( i.e,  a \cdot (b+c) =a \cdot b+ b \cdot c )

then, we have

2x - 12 +z =4

Add 12 to both sides of an equation:

2x-12+z+12=4+12

Simplify:

2x +z = 16                         .......[5]

On substituting equation [2] in [5] we get;

2x+z=2x -3z

or

z = -3z

Add 3z both sides of an equation:

z+3z = -3z+3z

4z = 0

Simplify:

z = 0

Substitute the value of z = 0 in [2] to solve for x;

2x-3(0) = 16

or

2x = 16

Divide by 2 both sides of an equation:

\frac{2x}{2} =\frac{16}{2}

Simplify:

x= 8

Substitute the value of x =8 in equation [4] to solve for y;

y = 8-6 = 2

or

y = 2

Therefore, the solution for the given system of equation is;  x = 8 , y = 2 and z =0

5 0
3 years ago
Solve for x please I need help
ser-zykov [4K]

Answer: picture wont seem to load, maybe try again

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Evaluate 24 + |x - 4| - y if x=2 and y= -3<br><br> Help me plz
Sonja [21]

Answer:

\huge  \boxed {29}

Step-by-step explanation:

24 +  |x - 4|  - y

Given x = 2 and y = -3. Therefore, substitute x = 2 and y = -3 in the expression.

24 +  |2 - 4|  - ( - 3) \\ 24 +  | - 2|   + 3

Multiplying the negative with negative equal positive. All negative numbers in the absolute will become positive.

24 + 2 + 3 = 24 + 5 = 29

Therefore the answer is 29.

5 0
3 years ago
Read 2 more answers
Given that f(x) = ax – 5 and f(4) = 15, determine the value of a.
agasfer [191]

Given that f(x) = ax – 5 and f(4) = 15, then the value of a is 5

The given function is:

f(x)  =  ax  -  5

If f(4)  =  15, then x = 4

Substitute x = 4 into f(x) = ax - 5

f(4)  =  a(4)  -  5

15   =  4a   -  5

Solve for a by adding 5 to both sides

15  +  5  =  4a  -  5  +  5

20    =  4a

Divide both sides by 4

4a/4   =  20/4

a    =  5

Given that f(x) = ax – 5 and f(4) = 15, then the value of a is 5

Learn more on linear functions here: brainly.com/question/15602982

8 0
2 years ago
George is building a table out of boards that are 3.75 inches wide. He wants the table to be at least 36 inches wide. How many b
balu736 [363]

Answer:

10 whole boards

Step-by-step explanation:

1. 36 divided by 3.75 = 9.6

2. Round to the nearest whole number

3. 9.6 rounded = 10

7 0
3 years ago
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