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Eddi Din [679]
3 years ago
8

what is the area of a trapezoid with a top measuring 6 ft. the base measures 9 1/4 and the height is 9 ft.

Mathematics
1 answer:
andrey2020 [161]3 years ago
5 0
The area of this trapezoid is 68.625 square feet. Hope you get it.
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Mr.Hamilton gave out 15 coupons per hour at the appliance show. After 2 days at the show, working 14 hours total, how many coupo
Lapatulllka [165]
Me Hamilton gave 210 coupons two days is throw you off because total was 24 so 14 times 15
7 0
3 years ago
1.Define phase shift. Could every sine function be expressed as a phase shifted cosine function? Explain.
Ann [662]
A phase shift is defined as the a<span>mount of x by which sinusoid is shifted to the left or right.
 
And yes, </span><span>every sine function be expressed as a phase shifted cosine function:
</span>
sin(t)=cos(90-t)

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
4 0
3 years ago
A farmer is going to plant carrots on 4 3/10 acres, corn on 4 7/30 acres and peppers on 2 7/15 acres. If each acre requires 25 b
Sindrei [870]
To convert mixed fractions to improper fractions:

a b/c=(ac+b)/c so we have:

43/10+127/30+37/15 now making all terms have a common denominator of 30

(43/10)(3/3)+(127/30)(1/1)+(37/15)(2/2)

129/30+127/30+74/30

(129+127+74)/30

330/30

11 acres

Now

11a(25b/a)=275 bags of fertilizer.


5 0
4 years ago
Dullco Manufacturing claims that its alkaline batteries last at least 40 hours on average in a certain type of portable CD playe
algol13

Answer:

The value is  p- value  = 0.041815

Step-by-step explanation:

From the question we are told that

  The  population mean is \mu  =  40 \ hours

  The  sample size is  n  =  18

    The  sample mean is  \= x =  37.8 \ hours

   The standard deviation is  \sigma  = 5.4\ hours

The null hypothesis is  H_o  :  \mu =  \ge 40

The alternative hypothesis is  H_a  :  \mu < 40 \ hour s

Generally the test statistic is mathematically evaluated as

       t=  \frac{\= x - \mu}{ \frac{\sigma}{ \sqrt{n} } }

      t=  \frac{37.8 - 40}{ \frac{5.4}{ \sqrt{18 } }

      t=  -1.73

From the z - table the p-value is obtained and the value is  

      p- value  =  P(Z <  -1.73)

        p- value  = 0.041815

3 0
3 years ago
Can the values be added or subtracted? If one value needs to be converted to another, describe the conversation. 32.8 kg+64.3 km
Kay [80]

Those two quantities cannot be added.

In order to add or subtract quantities, they don't necessarily both need to
have the same units, but both must have the same physical dimensions
so that one unit can be converted to be the same as the other unit.

"Physical dimensions" are things like mass, length, area, volume, time,
force, speed, etc.

In this problem, one quantity has the unit 'kg'so its physical dimension is <em><u>mass</u></em>. 
The other quantity has the unit 'km' so its physical dimension is <em><u>length</u></em>.  Obviously
these physical dimensions are different, so there's no way that either unit can be
converted to match the other one, and the quantities can't be added.


7 0
3 years ago
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