4 years ago

5x-2 5 please i need a lot of help

Mathematics

1 answer:

Lelechka [254]4 years ago

6 0

Answer:

5-5

Step-by-step explanation:

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Solve the equation X/-2=5

Ipatiy [6.2K]

Answer:

$\boxed {x = -10}$

Step-by-step explanation:

Solve for the value of $x$ :

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

-Multiply both sides by $-2$

$x = 5 \times (-2)$

$\boxed {x = -10}$

So, therefore, value of $x$ is $-10$ .

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4 years ago

15+25/5x7=<br><br> 15+25divide5x7=

jenyasd209 [6]

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4 years ago

A parabolic listening device is shaped such that the depth of the bowl depends on its radius and can be represented by the curve

faltersainse [42]

Answer:

$\large \boxed{\text{7.428 in}}$

Step-by-step explanation:

$\begin{array}{rcl}D & = & 0.145 r^{2}\\8 & = & 0.145 r^{2}\\55.17 & = & r^{2}\\r & = & \sqrt{55.17}\\& = & \textbf{7.428 in}\\\end{array}\\\text{The radius is $\large \boxed{\textbf{7.428 in}}$ when the depth is 8 in.}$

The graph shows the profile of your parabolic listening device,

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4 years ago

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Only need help on number 5 and 6

Alborosie

5) since (x-a)^2+(y-b)^2=r^2

plug in (-5,2) as (a,b) and r=3

Making the equation:

(x+5)^2+(y-2)^2=9

6) (x-0)^2+(y-0)^2=r^2

since we have (0,5)

0^2+5^2=r^2

Final equation: x^2+y^2=25

5 0

3 years ago