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3 years ago

Can someone please answer this for me it's for a homework assignment.

Mathematics

1 answer:

Ulleksa [173]3 years ago

5 0

Slope as an (improper fraction)-9/7, it can’t be simplified

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Find the value

Vaselesa [24]

Answer:

cosC = BC/AC

$\cos(c) = \frac{15}{39}$

4 0

3 years ago

What is the slope-intercept form of the equation y - 7= -5/2(x+4)

GREYUIT [131]

The first thing I would probably do is distribute (multiply) the -5/2 into the parenthesis:

= (-5/2)x + (-20/2)

Notice how I am not putting the x into the fraction. This is to make it easier to see the slope-intercept form.

Lets simplify the (-20/2) and then add 7 to both sides:

y - 7 = (-5/2)x - 10

y = (-5/2)x - 3

Your answer would then be:

y = (-5/2)x - 3

y = mx + b

Since it is now in the requested format.

4 0

3 years ago

hi:) I’m so sorry , i uploaded this question earlier but I think the picture couldn’t load. Yea I need help with this question,

love history [14]

Answer:

(ii) $\frac{1}{2} - \frac{1}{3}$

(iii) $\frac{25}{51}$

Step-by-step explanation:

Please see the attached picture for full solution.

7 0

3 years ago

Simplify this problem:<br> 32‾‾‾√

Vesnalui [34]

Answer:

$4\sqrt{2}$

Step-by-step explanation:

If you are asking for:

$\sqrt{32}$

You can pull out 16 from the equation and you can get:

$4\sqrt{2}$

7 0

3 years ago

Brochure that has the following problems with solutions.

DIA [1.3K]

Answer:

P ≡ $(- \frac{5}{4}, \frac{15}{4})$

Step-by-step explanation:

The point P divides the line segment from A(-2,3) and B(1,6) in the ratio of 1 : 3.

So, AP : PB = 1 : 3.

Now, the coordinates of point P will be given by $(\frac{1 \times 1 + 3 \times (- 2)}{1 + 3}, \frac{1 \times 6 + 3 \times 3}{1 + 3})$

= $(- \frac{5}{4}, \frac{15}{4})$ (Answer)

Note: Let there are two points with known coordinates $(x_{1},y_{1})$ and $(x_{2},y_{2})$ and another a point having coordinates (h,k) divides the line joining the two above points internally in the ratio m : n, then (h,k) is given by

(h,k) ≡ $(\frac{mx_{2} + nx_{1}}{m + n}, \frac{my_{2} + ny_{1}}{m + n})$

8 0

3 years ago