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gulaghasi [49]
3 years ago
14

Noel correctly answers 80% of the questions on a test with

Mathematics
2 answers:
adell [148]3 years ago
8 0
40 x (80/100)
= 32
So answer will be 32
Snezhnost [94]3 years ago
7 0

Answer:

32

Step-by-step explanation:

i had this in i-ready quiz!

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Reference attached image for the problem.Please show your work for finding the partial area.
-Dominant- [34]

To find the area of a sector of a circle use the next formula:

A=\frac{\theta}{360º}*\pi *r^2

As the given circle has a outside angle 90º (it is not part of the sector of the circle) subtract the 90º from 360º (total angle of a circle) to find the angle of the sector:

\theta=360º-90º=270º

Find the area of the sector with angle 270º:

\begin{gathered} A=\frac{270º}{360º}*3.14*(11in)\placeholder{⬚}^2 \\  \\ A=0.75*3.14*121in^2 \\  \\ A=284.955in^2 \end{gathered}Then, the approximate area of the given sector of a circle is 284.955 square inches
7 0
10 months ago
I know I haven't been on this app for a long time but can ya'll help me plzz
nexus9112 [7]

Answer:

2774

Step-by-step explanation:

5 0
2 years ago
32) (a)-(c) pre calculus
Harrizon [31]
Well, remember we can't take the square root of a negative

so we see that we have \sqrt{1-x^2}
so find those values that take sqrt of a negative and restrict hem from the domain
anny value greater than 1 and less than -1
so domain is from -1 to 1, including those numbers
D=[-1,1]

a. D=[-1,1] or from -1 to 1 is domain


b. for a TI-84, go to y-editor then input 4x \sqrt{1-x^2} for y1

c. for a TI-84, click 2nd then window (gets to tbset) scrol down to set Δx to 0.1, then cilick 2nd again then click graph (to select table) and scroll down till you see that value of y that is the biggest, that value is x=0.7



A. domain is from -1 to 1
B. use your brain or google the instructions for your calulator
C. at x=0.7


8 0
3 years ago
What is 6/6 equivalent to
Naddika [18.5K]

Answer:

1 whole

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
1. Find the volume of a cone with a height of 4.8 m and a diameter of 8.4 m.
andrey2020 [161]

Answer:

no

Step-by-step explanation:

ok

3 0
2 years ago
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