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Thepotemich [5.8K]
4 years ago
9

Darcy read 1 and 1⁄2 chapters in her textbook in 1⁄2 an hour. How many chapters did she read per hour?

Mathematics
1 answer:
Marina86 [1]4 years ago
8 0

Answer:

She read her textbook at a speed of 3 chapters per hour.

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the length of a rectangular room is 16 less than four times the width. the perimeter of the room is 68 feet. find the length and
RoseWind [281]

Answer:

Step-by-step explanation:

x = width

4x - 16 = length

x + x + (4x - 16) + (4x - 16) = 68

= x + x + 4x - 16 + 4x - 16 = 68

= 10x - 32 = 68

= 10x = 100

= x = 10

width = 10 feet

length = 24 feet

5 0
3 years ago
Read 2 more answers
3+1/2 (3 - x) &lt;-7<br>solve inequality ​
astra-53 [7]

subtract 3 from both sides:

\dfrac{1}{2}(3-x)

Multiply both sides by 2:

3-x

Subtract 3 from both sides:

-x

Change sign to both sides (this implies that you should also change the inequality sign):

x>23

8 0
3 years ago
Please help with angles all of it if you can
Luba_88 [7]
For #1 the answer is A because if lines parallel then exterior angles congruent.
4 0
3 years ago
Consider this cone. a cone. point a is the vertex, b is the height, c is the radius, and d is the diameter. identify the parts o
Nikolay [14]
  • The that indicates the height is AB
  • The letter that indicates the radius is CB
  • The letter indicates the diameter is CD
  • The letter indicates the vertex is A

<h3>What is a cone ?</h3>

A cone can be regarded as a three-dimensional shape which has a vertex at the top of it.

Considering a cone as described in the question, we could see that the distance from point A to B will gives us the height which is the vertical length.

Therefore, Vertex is at the top of the cone which is point A.

Learn more about cone at:

brainly.com/question/15946689

#SPJ4

8 0
2 years ago
What is the average rate of change from 0 to 2 of f(x)=x^3-x+4​
Kay [80]

\mathbf{Task.} ~ \mathrm{What~is~the~average~rate~of~change~from~0~to~2~of~} f(x) = x^{3} - x + 4?

\mathrm{The~average~rate~} \upsilon ~ \mathrm{of~change~of~the~function~} f(x) ~ \mathrm{over~the~interval~} [x_{1}; \ x_{2}]\\\mathrm{can~be ~ found~on~the~formula \colon}

\boxed{\upsilon = \dfrac{\Delta f}{\Delta x} = \dfrac{f(x_{2}) - f(x_{1})}{x_{2} - x_{1}}  }

\mathrm{For~the~function,} ~ f(x) = x^{3} - x + 4 ~ \mathrm{the~average~rate~of~change~over~the~interval}\\\mathrm{from~0~to~2 \colon}

f(0) = 0^{3} -0 + 4 = 4;

f(2) = 2^{3} - 2 + 4 = 8 + 2 = 10;

\Delta f = 10 - 4 = 6;

\Delta x = 2 - 0 = 2.

\upsilon  = \dfrac{6}{2} = 3.

Answer \colon 3~\blacktriangle

3 0
3 years ago
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