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3 years ago

Please help me answer this question

Mathematics

2 answers:

Salsk061 [2.6K]3 years ago

8 0

4x+y=-9
4(k)+3=-9
4k=-12
k=-3

ohaa [14]3 years ago

6 0

Answer:

k= -3

Step-by-step explanation:

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At the end of her work day, Rosa leaves her office and goes directly to her bank. On the graph that shows the locations of Rosa'

ikadub [295]

Find the distance between the point of bank and the point of office.

$\sqrt{(x2 - x1)^{2}+ (y2 - y1)^{2}}$
$\sqrt{(-4 - (-6)^2 + (4 - (-3)^2}$
$\sqrt{(2)^2 + (7)^2}$
$\sqrt{4 + 49}$
$\sqrt{53}$

The distance she travels is approximately 7.3 km.

Hope this helps :)

7 0

3 years ago

14x + 6 = 5x - 3 with solution

Schach [20]

hey there

the answer is

14x + 6 = 5x + -3

6 + 14x = 5x + -5

6 + 14x = -3 + 5x

6 + 14x + -5x = -3 + 5x + -5x

Combine like terms: 14x + -5x = 9x

6 + 9x = -3 + 5x + -5x

Combine like terms: 5x + -5x = 0

6 + 9x = -3 + 0

6 + 9x = -3

6 + -6 + 9x = -3 + -6

Combine like terms: 6 + -6 = 0

0 + 9x = -3 + -6

9x = -3 + -6

Combine like terms: -3 + -6 = -9

9x = -9

Divide each side by '9'.

x = -1

Simplifying

x = -1

thank you

OFFICIALLYSAVAGE2003

5 0

3 years ago

What is the slope of line b?

Semmy [17]

Answer:

It is c)1/2

Step-by-step explanation:

Since its rising its postive

And the rise is 1 and the run is 2 so the slope is 1/2

3 0

2 years ago

Read 2 more answers

Use this equation to find dy/dx. 3y cos x = x2 + y2

Art [367]

Given: 3y cos x = x² + y²

Define $y' = \frac{dy}{dx}$

Then by implicit differentiation, obtain
3y' cos(x) - 3y sin(x) = 2x + 2y y'
y' [3 cos(x) - 2y] = 2x + 3y sinx)

Answer:
$\frac{dy}{dx} = \frac{2x+3y \, sin(x)}{3cos(x)-2y}$

5 0

3 years ago

-3 3/4 divided by -10

Alexandra [31]

Answer:

0.375

3/8

Step-by-step explanation:

used a calculator to do 3/4 and added it to -3 then divided that by -10

5 0

3 years ago