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Blizzard [7]
3 years ago
13

Smith chose the underlined words for a reason. What

Mathematics
1 answer:
Bogdan [553]3 years ago
7 0

Answer:B

Step-by-step explanation:

She wanted to persuade others that women should not ride bicycles

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A - 2 1/2 = 1 1/2 pls I need help. also dont now why it says im in high school.
yulyashka [42]

Answer:

question is not clear , what do u need exactly?

6 0
2 years ago
A golfer keeps track of his score for playing nine holes of golf​ (half a normal golf​ round). His mean score is 8080 with a sta
solniwko [45]

Answer:

Therefore the mean and standard deviation of his total score if he plays a full 18 holes are 160 and 11\sqrt2 respectively.

Step-by-step explanation:

Given that,

For the first 9 holes X:

E(X) = 80

SD(X)=13

For the second 9 holes Y:

E(Y) = 80

SD(Y)=13

For the sum W=X+Y, the following properties holds for means , variance and standard deviation :

E(W)=E(X)+E(Y)

     and

V(W)=V(X)+V(Y)

⇒SD²(W)=SD²(X)+SD²(Y)        [ Variance = (standard deviation)²]

\Rightarrow SD(W)=\sqrt{SD^2(X)+SD^2(Y)}

∴E(W)=E(X)+E(Y) = 80 +80=160

            and

∴SD(W)=\sqrt{SD^2(X)+SD^2(Y)}

              =\sqrt{11^2+11^2}

               =\sqrt{2.11^2}

               =11\sqrt2

Therefore the mean and standard deviation of his total score if he plays a full 18 holes are 160 and 11\sqrt2 respectively.

                                               

4 0
3 years ago
Someone come help me I'm dumb
Anestetic [448]
With what cause I got you
6 0
3 years ago
Read 2 more answers
The value of a jewel in 2015 was $17500. The jewel was purchased in 2008, and its value appreciated 2.5%
ArbitrLikvidat [17]

Answer:

$14722.14

Step-by-step explanation:

We are given that

In 2015

The value of jewel=$17500

Rate of appreciation, r=2.5%

We have to find the initial value of the jewel when it was first bought.

Time, n=7 years

Final value=Initial\;value (r/100+1)^n

Using the formula

17500=Initial\;value(2.5/100+1)^7

17500=Initial\;value(1.025)^7

Initial\;value=\frac{17500}{(1.025)^7}

Initial value=$14722.14

Hence, the the initial value of the jewel when it was first bought=$14722.14

5 0
2 years ago
1. What is the principal which would amount to $6 900 in 3 years at 5%
Dmitry [639]

Answer:

umnim not sure if will be back for that one

8 0
3 years ago
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