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mixer [17]
3 years ago
8

Please help its due today and show all of your work please. I will give you brainliest if you help me do it right

Mathematics
2 answers:
devlian [24]3 years ago
5 0

Step-by-step explanation:

elimination of x:

-6x +5y = 1

6x + 4y = -10

___________+

9y = -9

y = -9/9 = -1

elimination of y:

-24x +20y = 4

30x + 20y = -50

_____________-

-54x = 54

x = 54/-54 = -1

{ -1, -1}

olya-2409 [2.1K]3 years ago
4 0

\huge{ \mathcal{  \underline{ Answer }\:  \:  ✓ }}

The given equations are :

\longrightarrow - 6x + 5y = 1

\longrightarrow6x + 4y =  - 10

let's add the equations

\longrightarrow\small{ - 6x + 5y +6x + 4y =  1  + ( - 10)}

\longrightarrow9y =  - 9

\longrightarrow y =  - 1

now, let's plug the value of y in first equation :

\longrightarrow - 6x + (5 \times  - 1) = 1

\longrightarrow - 6x  - 5 = 1

\longrightarrow - 6x = 6

\longrightarrow x =  - 1

_________________________

\mathrm{ ☠ \: TeeNForeveR \:☠ }

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No link just right answer
Assoli18 [71]

Answer:

21 in3

Step-by-step explanation:

1/3 x 1/3 x 1/3 =1/27

1/27 x 567= 21

7 0
3 years ago
Read 2 more answers
If someone could assist me with this, i will be very greatful!​
tekilochka [14]

Answer:

n>-5

Step-by-step explanation:

We have to distribute the -7 first, so:

-105<-7(5-2n) becomes:

-105<-35+14n

To find n, we have to add 35, so:

-105<-35+14n

+35   +35

We get 14n>-70. Now, we have to divide each side by 14 to find n.

14n/14>-70/14.

So, the solution becomes n>-5.

3 0
3 years ago
What is the vertex of the quadratic function with a negative a value?
oee [108]

Answer:

<h2>C) (-4, -4)</h2>

Step-by-step explanation:

If y = ax² + bx + c has negative value of a, then a parabola is open down.

Look at the picture.

Vertex  = (-4, -4)

3 0
3 years ago
Simplify <br><br> 32 + 6 x 5 -7+12 ÷ 4
mart [117]
Use Pemdas
Parenthesis,Exponents,Multiplu and Divide or Add and Subtract
First start multiplying 6x5=30
32+30x7+12/4
Now divide 12 and 4=3
32+30-7+3
Now add 32+30=62
62-7+3
Now subtract 62-7=55
55+3
Now add 55+23=58
Answer is 58
HOPE THIS HELPS!!!
3 0
3 years ago
The area of a triangle with the fixed base equal to 34in depends on the length of its altitude. Write the formula that describes
lana66690 [7]

Answer:

  A = a(17 in)

Step-by-step explanation:

The area (A) is given in terms of the base (b) and altitude (a) by the formula ...

  A = (1/2)ba

Filling in the given dimension, we have ...

  A = (1/2)(34 in)a

  A = a(17 in)

__

If the altitude has dimensions of inches, then the area will be in square inches. Otherwise some conversion will be necessary to get the area in square units.

You're probably expected to write this without the units:

  A = 17h . . . . if h represents the altitude (height)

3 0
3 years ago
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