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mihalych1998 [28]
3 years ago
5

A table with 4 legs will sometimes wobble if one leg is shorter than the other three, but a table with three legs will not wobbl

e. Which postulate substantiates this fact
Mathematics
1 answer:
Bas_tet [7]3 years ago
3 0
Hi there.
postulate 3 would be the answer to your question.
hope this helps!
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Paula got $10.50 from her grandparents on her birthday. She earned $4.45 by babysitting. How much money is this in all? c HAPPY
Aloiza [94]

We have the following:

To calculate the total money, you have to add the amounts that Paula won, as follows

\begin{gathered} T=10.5+4.45 \\ T=14.95 \end{gathered}

Which means that in total they are $ 14.95

8 0
11 months ago
A Web music store offers two versions of a popular song. The size of the standard version is 2.1 megabytes (MB). The size of the
SashulF [63]

Answer:

There were 440 Standard version of songs downloaded in Web music store.

Step-by-step explanation:

Given,

Total number of songs downloaded = 1310

Total size of the downloaded songs = 4752 MB

Size of standard version of song = 2.1 MB

Size of high quality version of song = 4.4 MB

Solution,

Let the number of standard version  of song be 'x'.

And also let the number of high quality version of song be 'y'.

Now, total number of songs is the sum of total number of standard version  of song and total number of high quality version of song.

On framing the above sentence in equation form, we get;

x+y=1310\ \ \ \ \ equation\ 1

Now, Total size of the downloaded songs is the sum of total number of standard version of song multiplied with size of standard version  of song and total number of high quality version of song multiplied with size of high quality version of song.

On framing the above sentence in equation form, we get;

2.1x+4.4y=4752

Multiplying with 10 on both side, we get;

10(2.1x+4.4y)=4752\times10\\\\21x+44y=47520\ \ \ \ equation\ 2

Now multiplying equation 1 by 21, we get;

21(x+y)=1310\times21`\\\\21x+21y=27510\ \ \ \ equation\ 3

Now subtract equation 3 from equation 2, we get;

(21x+44y)-(21x+21y)=47520-27510\\\\21x+44y-21x-21y=20010\\\\23y=20010\\\\y=\frac{20010}{23}\\\\y=870

On substituting the value of y in equation 1, we get the value of x;

x+y=1310\\\\x+870=1310\\\\x=1310-870=440

Hence There were 440 Standard version of songs downloaded in Web music store.

7 0
3 years ago
Which step did emily make an error in?
alexandr402 [8]

Answer:

E. Step 3

Step-by-step explanation:

Step 2:

2x + 18 = 4x + <u>28 + 2</u>

Step 3:

2x + 18 = 4x + <u>26</u>

She subtracted instead of adding (see bold and underline)

8 0
3 years ago
Hel0 me please, please please​
Simora [160]

Answer:

The answer would be 0

Step-by-step explanation:

Go to symbolab.com and just put the equation in

8 0
3 years ago
Evaluate the expression 9x, if x = 5.
meriva
The answer is 45

Explanation: if X=5 then we plug in x so now we get the equation 9 times 5 so the answer is 45 to check this we can divide 45 by 5 or 9 and we will see that the answer is correct have a nice day (: and a fortitude of a week
6 0
3 years ago
Read 2 more answers
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