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Serjik [45]
3 years ago
14

Solve the equation x/4 - 7 = y got x

Mathematics
1 answer:
Lina20 [59]3 years ago
4 0

Answer:

x = y · 11

Step-by-step explanation:

Since x is divided by 4, we have to multiply each side by 4.

x-7=y · 4  To get x by itself, add 7 to each side to get x = y · 11

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(y+2x+3)dx+(x- 4y^3 +2)dy 0
denis-greek [22]

Answer:

=dx(y+2x+3)

I hope that helps you

3 0
2 years ago
Find the inverse cotangent of the square root of 3 without a calculator
elena-14-01-66 [18.8K]
Let's use our trigonometric skills to solve for this one:


7 0
3 years ago
What is the solution to this system of equations?
maksim [4K]

Answer:x=3 y=1/2

Step-by-step explanation:

x+2y=4

2x-2y=5

Add both equations together

x+2x+2y-2y=4+5

3x+0=9

3x=9

Divide both sides by 3

3x/3=9/3

x=3

Substitute x=3 in x+2y=4

x+2y=4

3+2y=4

Collect like terms

2y=4-3

2y=1

Divide both sides by 2

2y/2=1/2

y=1/2

8 0
3 years ago
Find the slope of the line that passes through (1, 8) and (10, 1).
leonid [27]

Answer:

m =  \frac{1 - 8}{10 - 1}  =   - \frac{  7}{9}  \\

Slope(gradient)=

-\frac{7}{9}

Good luck!

Intelligent Muslim,

From Uzbekistan.

8 0
3 years ago
Read 2 more answers
HOW TO DO THIS QUESTION ​
sdas [7]

Answer:

A ≈ 40.3 cm²

Step-by-step explanation:

The area of right Δ ACD is calculated as

A = \frac{1}{2} bh ( b is the base and h the perpendicular height )

Here A = 50.5, b = CD and h = AC , then

\frac{1}{2} × 14 × AC = 50.5

7 AC = 50.5 ( divide both sides by 7 )

AC ≈ 7.214

The area of Δ ABC is calculated as

A = \frac{1}{2} × BC × AC × sin36°

  = 0.5 × 19 × 7.214 × sin36°

  ≈ 40.3 cm² ( to 3 sf )

3 0
2 years ago
Read 2 more answers
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