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Ivan
3 years ago
13

Please answer this question thx ❤️ y=x+1 4x + y = 6

Mathematics
1 answer:
N76 [4]3 years ago
8 0

Step-by-step explanation:

Hey there!

Here, The equations are:

y = x+1........(i)

4x + y = 6........(ii).

Now,

Putting equation (i) in (ii)

4x + y = 6

4x + (x + 1) = 6

5x + 1 = 6

5x = 6-1

x =  \frac{5}{5}

Therefore, x= 1

Putting the value of x in equation (i).

y = x+1

y = 1+1

Therefore the value of y is 2.

<u>Check</u><u>:</u>

y = x+1

2 = 1+1

2=2 ( True ).

<em><u>Hope it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

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15x+3x+19= -17 please help me find this answer
masha68 [24]

Answer:

{ \rm{15x + 3x + 19 =  - 17}} \\  \\ { \rm{18x + 19 =  - 17}} \\  \\ { \rm{18x =  - 17 - 19}} \\  \\ { \rm{18x =  - 36}} \\  \\ { \boxed{ \rm{x =  - 2}}}

5 0
2 years ago
Read 2 more answers
Please help immediately ​
Burka [1]

Answer:    f'(1)=\dfrac{4}{2y+1}

<u>Step-by-step explanation:</u>

To find the tangent, you need to find the derivative with respect to x.

Then substitute x = 1 into the derivative.

Given:         0 = 2x² - xy - y²

Derivative:  0 = 4x - y' - 2yy'

Solve for y': 2yy' + y' = 4x

                   y'(2y + 1) = 4x

                   y'=\dfrac{4x}{2y+1}

\text{Substitute x = 1:}\quad y'(1)=\dfrac{4}{2y+1}

8 0
3 years ago
The flagpole in front of VHS 50 feet tall. The angle of elevation from the end of its shadow to the top of the flagpole is 46°.
mamaluj [8]

Answer:

The length of the shadow is 48.28 feet.

Step-by-step explanation:

The flagpole at its shadow form a 46, 44, 90 triangle.

Let AB be the flagpole.  AC is the shadow.

Let's use the sine law to calculate AC.

\frac{AC}{sin(44)}=\frac{50}{sin(46)}\\AC=\sin(44)*\frac{50}{sin(46)}AC=48.28

5 0
3 years ago
out of 24 students, 6 preferred to use pastels for their portraits while 4 preferred to use watercolours watercolours. what perc
notka56 [123]

Answer:

4% used pastels.

Step-by-step explanation:,,

green is the most

5 isnt blue.green,yello or red

3 0
3 years ago
Find the lateral area for the pyramid with the equilateral base.
Dafna11 [192]

Answer:

Option A is the correct answer.

Explanation:

 The given pyramid has 3 lateral triangular side as shown below.

 Base of triangle = 12 unit

 We need to find perpendicular.

  By Pythagoras theorem we have

            Perpendicular² = 10²-6²

           Perpendicular = 8 unit

So area of 1 lateral triangle = 1/2 x Base x Perpendicular.

                                             = 1/2 x 12 x 8 = 48 unit²

Area of lateral side = 3 x 48 = 144 unit²    

Option A is the correct answer.                

7 0
3 years ago
Read 2 more answers
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