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3 years ago

What is the value of x? x=___

Mathematics

2 answers:

Ann [662]3 years ago

8 0

let's notice, the interior angles are all equal, notice the angle tickmarks, so it's an equlilateral triangle, where all sides are also equal, meaning AB = AC.

$\bf 6x-3=3x+6\implies 3x=9\implies x=\cfrac{9}{3}\implies x=3$

Kobotan [32]3 years ago

7 0

since the angles are the same, the sides must be the same, so this is like solving:

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

Which simplifies to x=3

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Pls help, will give brainlest

spayn [35]

P=2/3 the math is in the picture ☺️

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3 years ago

My sister is half my age when I was 6 now im 70 how old is she?

TEA [102]

Answer:

your sister would be 35

Step-by-step explanation:

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3 years ago

Use the definition of the derivative to differentiate v=4/2 pie r^3

nata0808 [166]

I suspect 4/2 should actually be 4/3, since 4/2 = 2, while 4/3 would make V the volume of a sphere with radius r. But I'll stick with what's given:

$\displaystyle \frac{dV}{dr} = \lim_{h\to0} \frac{2\pi(r+h)^3-2\pi r^3}{h}$

$\displaystyle \frac{dV}{dr} = 2\pi \lim_{h\to0} \frac{(r^3+3r^2h+3rh^2+h^3)- r^3}{h}$

$\displaystyle \frac{dV}{dr} = 2\pi \lim_{h\to0} \frac{3r^2h+3rh^2+h^3}{h}$

$\displaystyle \frac{dV}{dr} = 2\pi \lim_{h\to0} (3r^2+3rh+h^2)$

$\displaystyle \frac{dV}{dr} = 2\pi \cdot 3r^2 = \boxed{6\pi r^2}$

In Mathematica, you can check this result via

D[4/2*Pi*r^3, r]

3 0

3 years ago

In 2018, the number of students at The Villages High School was 975 and is increasing at a rate of 2.5% per year. Write and use

avanturin [10]

Answer:

$A(t)=975(1.025)^t$

In 2025,the number of students at the villages high school=1159

Step-by-step explanation:

We are given that in 2018

Number of students at the villages high school=975

Increasing rate,r=2.5%=0.025

We have to write and use of exponential growth function to project the populating in 2025.

$A_0=975,t=0$

According to question

Number of students at the villages high School is given by

$A(t)=A_0(1+r)^t$

Substitute the values

$A(t)=975(1+0.025)^t=975(1.025)^t$

t=7

Substitute the value

Then, the number of students at the villages high school in 2025

$A(7)=975(1.025)^7=1158.96\approx 1159$

8 0

3 years ago

Read 2 more answers

Hey will give brainliest

NeTakaya

Answer:

Step-by-step explanation:

i just had this problem

3 0

3 years ago