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WITCHER [35]
3 years ago
9

Help me with this please

Mathematics
1 answer:
kolbaska11 [484]3 years ago
3 0

Answer:

5

Step-by-step explanation:

                 

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Write an equation in Standard Form of the line passing through (5, -4) with a slope of -2/5.
beks73 [17]

Answer:

The answer is

<h2>y =  -  \frac{2}{5} x - 2 \\</h2>

Step-by-step explanation:

To find an equation of a line when given the slope and a point we use the formula

y -  y_1 = m(x -  x_1)

where

m is the slope

( x1 , y1) is the point

From the question the points is (5, -4) and slope - 2/5

The equation is

y + 4 =  -  \frac{2}{5} (x - 5) \\ y + 4 =  -  \frac{2}{5} x + 2 \\ y =  -  \frac{2}{5} x + 2 - 4

We have the final answer as

y =  -  \frac{2}{5} x - 2 \\

Hope this helps you

7 0
3 years ago
Amanda bought 8 shirts for $132. If long sleeve shirts cost $18 and short sleeve shirts cost $12 , how many of each shirt did sh
babymother [125]

Answer:

has to be

Step-by-step explanation:

the first one

4 0
3 years ago
Read 2 more answers
Integrate this for me please
mel-nik [20]
\int\limits_{0}^{\frac{\pi }{6}}tan^2(x)sec^2(x)\cdot dx&#10;\\------------------\\&#10;u=tan(x)\implies \frac{du}{dx}=sec^2(x)\implies \frac{du}{sec^2(x)}=dx&#10;\\------------------\\&#10;\int\limits_{0}^{\frac{\pi }{6}}u^2sec^2(x)\cdot \cfrac{du}{sec^2(x)}\implies &#10;\int\limits_{0}^{\frac{\pi }{6}}u^2\cdot du&#10;\\ \quad \\&#10;

\textit{now, we need to change the bounds as well, so}&#10;\\------------------\\&#10;u(0)=tan(0)\implies 0&#10;\\ \quad \\&#10;&#10;u\left( \frac{\pi }{6} \right)=tan\left( \frac{\pi }{6} \right)\implies \frac{1}{\sqrt{3}}&#10;\\------------------\\&#10;thus\implies \int\limits_{0}^{\frac{1 }{\sqrt{3}}}u^2\cdot du

and surely you can take it from there,
recall, that, since we changed the bounds, with the u(x),
you don't need to change the variable "u", and simply,
get the integral of it, simple enough, and apply those bounds
5 0
3 years ago
Read 2 more answers
Best explained and correct answer gets brainliest.
ELEN [110]

3275 = x * (1+0.075/12)^(12*10)

3275 = x * (2.11206463)

x= 3275/2.11206463 = 1550.6154

x=1550.62

she needs to deposit $1,550.62

8 0
3 years ago
If the problem is bx= -7 then what is x if b represents a nonzero constant
ankoles [38]
x=\frac{-7}{b}

If b was equal to zero, then x would be undefined.

Also note:

As the value of b increases, the value of x decreases. And vice versa.
8 0
3 years ago
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