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Natasha_Volkova [10]

2 years ago

6

What is the slope of the line in the graph? -4/3 -3/4 3/4 4/3

1 answer:

AnnyKZ [126]2 years ago

3 0

Answer:

there's no graphed pictured. but slope is rise/ run so just count the boxes between the points on the line. Up and down is the numerator and sideways is the denominator. If its decreasing from left to right it's negative, and if it's increasing left to right then it's positive

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What is 1/2 + 1/4 =?????

dmitriy555 [2]

Answer: 0.75

Step-by-step explanation:

4 0

2 years ago

Identify the variation as direct, inverse, joint or combined. s=c/t^3

Kitty [74]

Answer:

Inverse

Step-by-step explanation:

Assuming that c is a constant (the constant of proportion), s = c / (t^3) is a case of inverse variation: As t increases, s decreases.

7 0

3 years ago

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I need to find the surface area. it's a cut sphere with a diameter of 14.

alex41 [277]

Given data:

The diameter of the cut sphere, D=14 in.

The radius of the cut sphere is,

$\begin{gathered} r=\frac{D}{2} \\ r=\frac{14}{2} \\ r=7\text{ in} \end{gathered}$

The cut sphere is called a hemisphere.

The surface area of a sphere is

$A_1=4\pi r^2$

So, the lateral surface area of a hemisphere is half the surface area of sphere. Therefore, the lateral surface area of a hemisphere is,

$\begin{gathered} A_2=\frac{4\pi r^2}{2} \\ A_2=2\pi r^2 \end{gathered}$

The hemisphere has a lateral surface and a circular surface. The area of the circular surface is,

$A_3=\pi r^2$

Therefore, the total area of the hemisphere is,

$\begin{gathered} A=A_2+A_3 \\ A=2\text{ }\pi r^2+\pi r^2 \\ A=3\text{ }\pi r^2 \end{gathered}$

The total surface area of a hemisphere is,

$\begin{gathered} A_{}=3\text{ }\pi r^2 \\ A=3\text{ }\pi\times7^2 \\ A=461.8in^2 \end{gathered}$

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8 months ago

What is the scale factor that caused the change from circle A to circle b

natta225 [31]

Answer:

3

Step-by-step explanation:

The circle gets bigger, so the only option is a positive whole number.

4 0

2 years ago

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Consider f(x) = bWhich statement(s) are true for 0 < b < 1? Check all that apply.

Ira Lisetskai [31]

Answer:

The domain is all real numbers.

The function is always decreasing

Step-by-step explanation:

Assuming the given function is

$f(x) = {b}^{x}$

for

$0 \: < \: b \: < \: 1$

Then f(x) is an exponential decay function.

This means that, the domain will be all real numbers.

The range will be y<0

The y-intercept is (0,-1)

There is no x-intercept.

The graph is a decreasing function.

4 0

2 years ago