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Amiraneli [1.4K]
3 years ago
12

Kevin brought 15 chicken wings for 31.50 how much would it cost for 7 wings.

Mathematics
1 answer:
Svetlanka [38]3 years ago
7 0

Answer:

$14.70

Step-by-step explanation:

31.50/15=2.10

2.10*7=14.70

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Two buses leave towns 304 miles apart at the same time and travel toward each other. One bus travels 14 mih slower than the othe
8090 [49]

Answer:

The faster bus moves at 83mi/h and the slower one moves at 69mi/h.

Step-by-step explanation:

Let's define:

R₁ = rate of bus 1, this is the faster one.

R₂ = rate of bus 2, this is the slower one.

We know that one bus travels 14mi/h slower, then:

R₂ = R₁ - 14mi/h.

Now we know that:

Distance = Speed*Time.

If we add the distances that both busses travel in 2 hours, it should be equal to the initial distance between the buses, then:

R₁*2h + R₂*2h = 304 mi

Then we have the two equations:

R₂ = R₁ - 14mi/h

R₁*2h + R₂*2h = 304 mi

The first step is to replace the first equation in the second one, to get:

R₁*2h + (R₁ - 14mi/h)*2h = 304 mi

And now we can solve this for R₁.

R₁*2h + R₁*2h - 14mi/h*2h = 304 mi

R₁*4h - 28mi = 304mi

R₁*4h = 304mi + 28mi = 332mi

R₁ = 332mi/4h = 83mi/h

The faster bus moves at 83mi/h

And we know that the slower one moves at 14mi/h slower than this, then:

R₂ = R₁ - 14mi/h = 83mi/h - 14mi/h = 69 mi/h

7 0
2 years ago
Can someone pls help me with this
muminat

Answer:

C f=9

Step-by-step explanation:

isolate f on one side so you subtract 5 from both sides to get 3f=27 and then divide by 3 on each side to get f=9

5 0
2 years ago
Read 2 more answers
AN ICE CREAM STORE IS CONDUCTING A SURVEY ASKING CUSTOMERS TO RANK THE TOP 5 OUT OF 10 NEW FLAVORS INTRODUCED THIS YEAR. HOW MAN
katrin2010 [14]
The problem given above can be solved through the concept of permutation because of the importance of the arrangements. This may be solved through calculators directly by keying in,
                                       10P5
That is, the permutation of 10 taken 5. The answer to this permutation is 30,240. 
3 0
3 years ago
100 points What scale factor was applied to the first rectangle to get the resulting image?
Misha Larkins [42]

Answer:

0.25

Step-by-step explanation:

Scale factor = ratio of the sides

Assuming the first rectangle is with shorter side 6,

Scale factor = 1.5/6 = 15/60 = 1/4 = 0.25

3 0
3 years ago
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How do I solve step by step and the answer to lnX=4.3657
Harman [31]
\bf ln(x)=4.3657\iff log_e(x)=4.3657\\\\
-----------------------------\\\\
{{  a}}^{log_{{  a}}x}=x\impliedby \textit{log cancellation rule}\\\\
-----------------------------\\\\
e^{log_e(x)}=e^{4.3657}\implies x=e^{4.3657}

now, for the other, we use the same cancellation rule

\bf ln(3x)=6\iff log_e(3x)=6\implies e^{log_e(3x)}=e^{6}
\\\\\\
3x=e^6\implies x=\cfrac{e^6}{3}
3 0
3 years ago
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