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777dan777 [17]
4 years ago
11

Heelp please I have to do all

Mathematics
1 answer:
wolverine [178]4 years ago
3 0

Answer:

Blue regular polygon problem:

interior: 144 degrees

exterior: 36 degrees

regular polygon with 20 sides:

interior: 162 degrees

exterior: 18 degrees

regular polygon with interior angle of 175:

number of sides: 72 sides

Step-by-step explanation:

Tell in comments if you want explanation; they are all true.

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a manufacturer has 3375 yards of material on hand. if the average dress takes 3 3/8 yards of material, how many dresses can he m
shepuryov [24]
We know that

3 3/8-------------> (3*8+3)/8-----------> 27/8 yd

if 1 dress take---------------> 27/8 yd
  X-----------------------------> 3375 yd
X=3375/(27/8)---------> x=1000 dresses

the answer is
He can make 1000 dresses
7 0
3 years ago
The population of a small town is decreasing exponentially at a rate of 14.3% each year. The current population is 9,400 people.
KonstantinChe [14]

Using an exponential function, the inequality is given as follows:

9400(0.857)^t < 6000

The solution is t > 2.9, hence the tax status will change within the next 3 years.

<h3>What is an exponential function?</h3>

A decaying exponential function is modeled by:

A(t) = A(0)(1 - r)^t

In which:

  • A(0) is the initial value.
  • r is the decay rate, as a decimal.

For this problem, the parameters are given as follows:

A(0) = 9400, r = 0.143.

The population after t years is modeled by:

A(t) = A(0)(1 - r)^t

A(t) = 9400(1 - 0.143)^t

A(t) = 9400(0.857)^t

The tax status will change when:

A(t) < 6000

Hence the inequality is:

9400(0.857)^t < 6000

Then:

(0.857)^t < \frac{6000}{9400}

\log{(0.857)^t} < \log{\left(\frac{6000}{9400}\right)}

t\log{0.857} < \log{\left(\frac{6000}{9400}\right)}

Since both logs are negative:

t > \frac{\log{\left(\frac{6000}{9400}\right)}}{\log{0.857}}

t > 2.9.

The solution is t > 2.9, hence the tax status will change within the next 3 years.

More can be learned about exponential functions at brainly.com/question/25537936

#SPJ1

7 0
2 years ago
Andy estimated that he would need 75 feet of lumber for a tree house project. he later found that the actual amount of lumber ne
Kipish [7]
Step 1
<span>Calculate the error
</span>error=75-64-----> 11 ft

step 2
<span>Divide the error by the exact value
</span>11/64=0.1719

step 3
<span>Convert that to a percentage 
</span>0.1719*100=17.19%

the answer is
17.19%

8 0
4 years ago
Label the slope and y intercept​
Amanda [17]
The slope is 3/2 and the y-intercept is 0.

Slope is rise/run or y/x. The y-intercept is the value of y when the value of x is 0.
3 0
3 years ago
Read 2 more answers
ASAP pls
QveST [7]
That's how i solved for tge ptoblem

5 0
3 years ago
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