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3 years ago

11

The x-intercept of 2x + 3y = 12 is (0, 4). True or false

1 answer:

notsponge [240]3 years ago

5 0

True but idk fr just use google

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If the endpoints of the diameter of a circle are (−6, 6) and (6, −2), what is the standard form equation of the circle?

Sergeeva-Olga [200]

<span>i Ace</span>hello :
let : A(-6,6) B(6,-2)
the center is w((-6+6)/2 , (6-2)/2)....(midel <span>[ AB]
w(0 ,2)
the ridus is : r = AB/2
AB = </span>√(-6-6)²+(6+2)² = √(144+64) =<span>√208/2
</span>an equation in <span>standard form equation of the circle :
</span>(x+0)²+(y-2)² = (√208/2)²=208/4 = 52

4 0

2 years ago

Read 2 more answers

Calculate the average rate of change of f(x) = x2 - 1 x - 4 for 2 ≤ x ≤ 6.

hoa [83]

Answer:

Hence, the average rate of change is:

$\dfrac{97}{12}$

Step-by-step explanation:

We are asked to calculate the average value of the function:

$f(x)=x^2-\dfrac{1}{x}-4$ in 2 ≤ x ≤ 6

The average rate of change of the function f(x) in the interval 2 ≤ x ≤ 6 is given as:

$\dfrac{f(6)-f(2)}{6-2}\\\\=\dfrac{f(6)-f(2)}{4}$

Now,

$f(6)=36-\dfrac{1}{6}-4\\\\f(6)=32-\dfrac{1}{6}\\\\f(6)=\dfrac{191}{6}$

$f(2)=4-\dfrac{1}{2}-4\\\\\\f(2)=-\dfrac{1}{2}$

Hence, the average rate of change is:

$\dfrac{\dfrac{191}{6}-\dfrac{-1}{2}}{4}\\\\=\dfrac{194}{6\times 4}\\\\=\dfrac{97}{12}$

Hence, the average rate of change is:

$\dfrac{97}{12}$

8 0

3 years ago

Read 2 more answers

A ball is released at a height of 16 inches to roll inside a half-cylinder. It rolls

docker41 [41]

Answer:

Step-by-step explanation:

Using the given formula, we put n = 5

$h = 8* {(\frac{1}{2}) ^{n-1}$

h = 8 / 16

h = 1 / 2 inches

8 0

2 years ago

HElPP<br> what is 232 if it's scaled down by a factor of 1/10

Lynna [10]

Answer:

23.2

Step-by-step explanation:

Scaling down by a factor of 1/10 is equal to dividing the number by 10.

So 232 getting scaled down by a factor of 1/10 is equivalent to 232/10 i.e. 23.2.

3 0

2 years ago

Convert 5/6 hour to minutes 1 hour = 60 mins.

masya89 [10]

Answer:

50 minutes.

Step-by-step explanation:

We solve this question by proportions, using rule of three.

One hour is 60 minutes.

5/6 hour

This is:

$\frac{5}{6}*60 = \frac{5*60}{6} = 5*10 = 50$

50 minutes.

3 0

2 years ago