MATHEMATICS HIGH SCHOOL

Circle the word that completes the sentence.(25+17)+23=25+(17+23)

A.Order.
B.Grouping.
C.operation

Answers

Answer 1
Answer: its B for grouping
because your grouping them..
for example your groping the ones that are in brackets and the ones that are not

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Robert needs to cut four shelves from a board that is 2.5 meters long. The second shelf is 18 centimeters longer than twice the length of the first shelf. The third shelf is 12 centimeters shorter than the first shelf. The remaining shelf is 4 centimeters longer than the first shelf. If Robert must use the entire 2.5 meter board for the shelves, what is the length of the second shelf, in centimeters?
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Tamora just made the last of her monthly payments on her loan. She had been making these payments for the past nine years. The loan had a principal of $10,675 and an interest rate of 4.75%, compounded monthly. In addition, Tamora paid $939.25 in service charges. What was Tamora’s total finance charge? Round all dollar values to the nearest cent.a. $939.25 b. $11,614.25 c. $3,403.53 d. $2,464.28

Can someone answer this plz.

Answers

OK , 

theres 150 fish in the pond mius 8% each day so 

150-8%=138
138-8%=129.96 

129.96 is your answer 

What transformation is represented by the rule
(x,  y)→(−y,  x)

Answers

x and y are switched and y times -1 so

reflection across the x=y line (identiy line)
and since the x place it times -1, that is a reflection across y axis

so reflection across x=y line and y axis
it is going from quadrant 1 to quadrant 4.

it is reflected right?

sorry it has been a while since I have done this but I hope it helps :)

The probability that a random variable is greater than or equal to z standard deviations from the mean in a standard normal distribution is p%. What can be said with certainty about the probability that the random variable is less than or equal to –z standard deviations from the mean?

Answers

Answer:

B: The probability is equal to p%.

Step-by-step explanation:
P(Z≥z)=p% may help out... (:

??What's the balance ??

Answers

I think the answer is A because the balance after 4 years is not on their and so we are trying to find the balance after three years. And after 3 years the balance is 805
I believe it's A.
Hope this helps.

II A-
d, e, i, u, Us d
Ly
Find the distance between the points (1, 2) and -3, 4).​

Answers

Answer:

2√5

Step-by-step explanation:

Which would be appropriate compatible numbers to use to estimate (19 4/5)(4/6)

Answers

Answer:

Approximately 10

Step-by-step explanation:

19 / 5 Approximately 4

4 * 4 = 16

16 * 4 / 64

64 / 6 * = Approximately 10 / 10.6 ish

Actual Answer is 10.133
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