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pickupchik [31]
2 years ago
5

A company's Chief Operating Officer (COO) keeps track of the mileage on her trips from her office at corporate headquarters to t

he company's off-site manufacturing facility and its nearby suppliers. The stem-and-leaf display of the data for one year is below. 76 9 77 114 78 79 80 81 82 83 07 88 2 1 88 How many trips were used in this display?
Mathematics
1 answer:
slega [8]2 years ago
3 0

Answer:

12 trips were used in this display .

Step-by-step explanation:

We are given that a company's Chief Operating Officer (COO) keeps track of the mileage on her trips from her office at corporate headquarters to the company's off-site manufacturing facility and its nearby suppliers.

The stem-and-leaf display of the data for one year is given below :                       07, 76, 78, 79, 80, 81, 82, 83, 114, 188, 882, 977

In stem and leaf data the first digit of the number is represented as stem and the remaining digits are treated as leaf.

So, after observing the data we can notice that there are 12 data values given and hence 12 trips are used in this display.

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39. The ratio of new houses to antique houses in a village is 4:5. If there are
jeyben [28]

Step-by-step explanation:

☄ \underline{ \underline{ \text{Question }}}: The ratio of new houses to antique houses in a village is 4 : 5 . If there are 12 new houses , how many antique houses are there ?

☄\underline{ \underline{ \text{Solution}}} :

✏ Let , the number of antique houses in a village be ' x ' .

Then , According to the question :

\sf{ \frac{Number \: of \: new \: houses}{Number \: of \: antique \: houses}  \:  =  \:  \frac{4}{5}}

⤑\sf{ \frac{12}{x}  =  \frac{4}{5}}

Apply cross product property

⤑\sf{4 \times x = 12 \times 5}

⤑\sf{4x = 60}

⤑\sf{ \frac{4x}{4}  =  \frac{60}{4}}

⤑\sf{x = 15}

So, The number of antique houses in a village is 15.

\red{ \boxed{ \boxed{ \tt{Our \: final \: answer :  \boxed{ \bold{15}}}}}}

Hope I helped ! ♡

Have a wonderful day / night ツ

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7 0
2 years ago
Simply the expression below <br><br> (10-3i)(2-5i)
scoundrel [369]

Answer:

7i and 3i

hope this helps <33

8 0
3 years ago
Read 2 more answers
I need help am I doing this right
disa [49]
No, you got the inequalities the wrong way.
In negative numbers, it is how much lower it is than 0. For example, -22 is 22 less than 0. And -2 is 2 less than 0. Here, -22 is actually less than -2 because it is farther below 0 than -2.
You can understand this better if you graph it on a number line.
So, -12 >-15. (-15 is 3 less than -12).
-1/3 >-1.
-2>-21.
8 0
3 years ago
A 18 foot ladder is leaning against a wall as shown
Inga [223]
I'm guessing the diagram shows a ladder leaning against a wall, making a right angle triangle with respect to the ground and the wall.

So, the wall's height is going to be the 'h', which will also be the 'opposite side' from the angle <span>ϴ which is made from the ladder and the ground.
</span>The ladder's length (18 foot) is going to be the 'hypotenuse' side and the other remaining side will be the 'adjacent'.

Now, once you've sorted out which side is which, we have to find the h (opp), and according to  SOH CAH TOA, we will choose Sin<span>ϴ = opp/hyp.
</span>so Sinϴ = h/18....now we gotta find h, so 'cross multiply' the equation to get  h = 18 x sin<span>ϴ.
</span>
To find angle ϴ, simply take the inverse of Sinϴ= h/18... and you'll get ϴ =  sin-1 (sin inverse) h/18

Hope this helps



6 0
3 years ago
PLZZZ HELP!!
sesenic [268]
First we find list the data in order
Then we find the median
We split the data in half and find the median of the first half which is C
3 0
2 years ago
Read 2 more answers
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