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3 years ago

Help pleaseee there's a picture

Mathematics

2 answers:

RSB [31]3 years ago

6 0

When you rotate a figure, its shape stays the same, only its orientation changes. So, this would also be a rectangle, this time with width 17 and length 15. The area would be the same as before: length * width = 17 * 15 = 255.

AVprozaik [17]3 years ago

5 0

255? i don’t really know. i just did length • width.

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A line has y intercept -6 and a x-intercept - 12. what is the equation of the line

koban [17]

Answer:

$\boxed{y = -\dfrac{1}{2}x-6}}$

Step-by-step explanation:

The equation for a straight line is

y = mx + b

where m is the slope of the line and b is the y-intercept.

The line passes through the points (-12, 0) and (0, 6)

(a) Calculate the slope of the line

$\begin{array}{rcl}m & =&\dfrac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\ & = &\dfrac{6 - 0 }{0 - (-12)}\\\\& = &\dfrac{6}{-12}\\\\& = & -\dfrac{1}{2}\\\end{array}$

(b) Write the equation

The y-intercept is at x = -6.

$\text{The equation for the line is $\boxed{\mathbf{y = -\dfrac{1}{2}x-6}}$}$

The diagram shows the graph of the line passing through the two intercepts.

5 0

3 years ago

2) Find m2K<br> L<br> 11<br> 6x + 10

prisoha [69]

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4 0

3 years ago

Someone help please!!!!

Harlamova29_29 [7]

Answer:

Third one.

Step-by-step explanation:

Review it before you submit it.

6 0

4 years ago

If 96 of the 224 participants in club activities are residents, what is the ratio of nonresidents to residents who participate i

love history [14]

First you subtract the 224 total people with the 96 residents to find the nonresidents which is 128 to 96 residents and that simplified is 4:3. So it is 4:3

6 0

3 years ago

15 POINTS! PLEASE HELP!

notka56 [123]

Answer:

DC = 1332.95 feet

Step-by-step explanation:

From the figure attached,

Let the measure of DC = h ft

And measure of side BC = a ft

By applying tangent ratio in ΔBCD,

tan(56°) = $\frac{\text{Opposite side}}{\text{Adjacent side}}$

= $\frac{DC}{BC}$

= $\frac{h}{a}$

h = a[tan(56°)] --------(1)

By applying tangent rule in ΔACD,

tan(22°) = $\frac{\text{Opposite side}}{\text{Adjacent side}}$

tan(22°) = $\frac{DC}{BC+AC}$

= $\frac{h}{a+2400}$

h = (a + 2400)tan(22°) ------- (2)

Equating the values of h from equations (1) and (2),

a[tan(56°)] = (a + 2400)tan(22°)

a[tan(56°) - tan(22°)] = 2400[tan(22°)]

1.0785a = 968.6629

a = 899.085 ft

From equation (1),

h = 899.085[tan(56°)]

h = 1332.948

h ≈ 1332.95 ft

7 0

3 years ago