What is the length of in the rectangular prism? Round to the nearest tenth of a centimeter. A.7.5 cm
B.
9.4 cm
C.
12.6 cm
D.
15.3 cm

Answers

Answer 1
Answer: Can you explane it a little more.

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On a number line, a number, b, is located the same distance from 0 as another number, a, but in the opposite direction. The number b varies directly with the number a. For example b = 2 when a = –2. Which equation represents this direct variation between a and b?
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Can you solve y=2x-5 and 4x-y=7 with steps?

Answers

y=2x-5 \n4x-y=7 \n \n\hbox{substitute 2x-5 for y in the 2nd equation and solve for x:} \n4x-(2x-5)=7 \n4x-2x+5=7 \n2x+5=7 \n2x=7-5 \n2x=2 \nx=(2)/(2) \nx=1 \n \n\hbox{substitute 1 for x in the 1st equation:} \ny=2 * 1-5=2-5=-3 \n \n\hbox{the answer:} \nx=1 \n y=-3
This is straight forward:
You have already said:    y = 2x - 5 ...........(i)
                                             4x - y = 7............(ii)
So anywhere we see, y in equation (ii) we replace it with (2x - 5).
                                            4x - (2x - 5) = 7
                                             4x - 2x + 5  = 7
 Note minus sign before the bracket, changes sign inside the bracket.
                                              2x  + 5 = 7
                                              2x =  7 - 5.
                                              2x = 2        Divide both sides by 2.
                                                x  = 2/2
                                                x =1.
Remember from (i)  y = 2x - 5,  y = 2*1 - 5 = 2-5 = -3.
Therefore,  x = 1,    y = -3.
Those are the steps.

the ratio of apples to oranges on the fruit stand was 31:11 if there were 2,940 apples and oranges altogether, how many apples are there

Answers

First you add 31 and 11 and you get 42, then you do 2,940 divided by 42 which is 70. Then you multiply 70 by 31, and you get 2, 170, 
and there are 2,170 apples which is the answer

Breakfast at the local cafe costs Harry $38.70 without taxes. He wants to leave a 15 percent tip. How much should he tip?a. $4
b. $6
c. $8
d. $10

Answers

Final answer:

To calculate a 15% tip on a $38.70 meal, multiply the total cost by 15 and divide by 100, giving approximately $6. The closest option available is $6.

Explanation:

To calculate the tip that Harry should leave based on 15 percent of the total cost, we can use the formula:
Tip = Total Cost x Tip Percent/100
Where:
Total Cost = $38.70 (ignoring any taxes),
Tip Percent = 15.

Substituting these values into the formula, we find:
Tip = $38.70 x 15/100 which equals $5.805, therefore, the nearest answer to that would be option b: $6.

Learn more about Percent Calculations here:

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Find the value of y in the equation 3/y-2=8

Answers

If you would like to find the value of y in the equation 3/y - 2 = 8, you can do this using the following steps:

3/y - 2 = 8
3/y = 8 + 2
3/y = 10      /*y
3 = 10y      /10
y = 3/10

The correct result would be 3/10.

What are Z- and Z2-scores?

Answers

The Z-Score is a shorthand to describe the financial health of a company, and its likelihood of financial distress. If the Z Score is falling towards 1.8 then it may be a sell signal. Z2 is the Z-Score for non-manufacturing companies (but excluding property/financial companies) and this version is calculated based using the latest available interim financials.

What is the answer to 2x >/= -6 + x-1<0 ?

Answers

Answer:

x  < 7

Step-by-step explanation: