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d1i1m1o1n [39]
3 years ago
7

Solve the following equation and check.

Mathematics
2 answers:
Tresset [83]3 years ago
7 0

Step-by-step explanation:

4/7x + 5/14x = 39

1/x(4/7+5/14)=39

1/x=39×14/13

x=13/546=1/42

madreJ [45]3 years ago
4 0
The solution is x=42

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Claire bought 10 chicken nuggets for $17.00. If Claire spent $5.00, how many chicken nuggets did she buy
Ratling [72]

Answer

She would have 3.4 chicken nuggets i she spent $5 so she would have 3 chicken nuggets.

Step-by-step explanation:

17.00 divided by 5 = 3.4 or round down to 3.

                                                        hope it helps :b

6 0
3 years ago
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Sholpan [36]
(x-a)^2+(y-b)^2=r^2\\\\(a;\ b)-the\ coordinates\ of\ the\ center\\r-the\ radius\\\\==================================\\Use:(k+l)^2=k^2+2kl+l^2\ (*)\\==================================

x^2+y^2+14x+10y=7\\\\x^2+14x+y^2+10y=7\\\\x^2+2x\cdot7+y^2+2y\cdot5=7\\\\\underbrace{x^2+2x\cdot7+7^2}_{Use\ (*)}-7^2+\underbrace{y^2+2y\cdot5+5^2}_{Use\ (*)}-5^2=7\\\\(x+7)^2-49+(y+5)^2-25=7\\\\(x+7)^2+(y+5)^2-74=7\ \ \ \ |add\ 74\ to\both\ sides\\\\(x+7)^2+(y+5)^2=81\\\\(x+7)^2+(y+5)^2=9^2

Answer:\\\boxed{(-7;-5)-center;\ 9-radius}
8 0
3 years ago
Read 2 more answers
Solve the following equation for m.<br> F=mv^2 / r
aleksklad [387]

Answer:

Step-by-step explanation:

F = \frac{mv^2}{r}

mv² = Fr

m = \frac{Fr}{v^2}

8 0
2 years ago
I need help please i’ll give u a brainliest for the right answer
nevsk [136]

Answer:

around 4.1

Step-by-step explanation:

7 0
3 years ago
-5m=4-6m I can't figure out the problem. I need help.
r-ruslan [8.4K]
-5m = 4 - 6m....add 6m to both sides
6m - 5m = 4
m = 4 <==
5 0
4 years ago
Read 2 more answers
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