22.06.2020

3a + 5b = 26 ; a + 5b = 22

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Step-by-step answer

09.07.2023, solved by verified expert
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3a + 5b = 26 ; a + 5b = 22, №18010139, 22.06.2020 08:24

Step-by-step explanation:

3a + 5b = 26 ; a + 5b = 22, №18010139, 22.06.2020 08:24

Isolate a from 3a + 5b = 26,

3a + 5b = 26 ; a + 5b = 22, №18010139, 22.06.2020 08:24

3a + 5b = 26 ; a + 5b = 22, №18010139, 22.06.2020 08:24

3a + 5b = 26 ; a + 5b = 22, №18010139, 22.06.2020 08:24

Now, Isolate b for  

3a + 5b = 26 ; a + 5b = 22, №18010139, 22.06.2020 08:24

Now, Substitute b=4

3a + 5b = 26 ; a + 5b = 22, №18010139, 22.06.2020 08:24

3a + 5b = 26 ; a + 5b = 22, №18010139, 22.06.2020 08:24

3a + 5b = 26 ; a + 5b = 22, №18010139, 22.06.2020 08:24

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Mathematics
Step-by-step answer
P Answered by Specialist

\boxed{a=2,\:b=4}

Step-by-step explanation:

\begin{bmatrix}3a+5b=26\\ a+5b=22\end{bmatrix}

Isolate a from 3a + 5b = 26,

a=\cfrac{26-5b}{3}

\begin{bmatrix}\cfrac{26-5b}{3}+5b=22\end{bmatrix}

\begin{bmatrix}\cfrac{26+10b}{3}=22\end{bmatrix}

Now, Isolate b for  

\cfrac{26+10b}{3}=22\:\:\boxed{b=4}

Now, Substitute b=4

a=\cfrac{26-5\times \:4}{3}

\cfrac{26-5\times \:4}{3}\:\:\boxed{a=2}

\boxed{a=2,\:b=4}

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Mathematics
Step-by-step answer
P Answered by PhD

SI=(P*R*T)/100

P=2000

R=1.5

T=6

SI=(2000*1.5*6)/100

=(2000*9)/100

=180

Neil will earn interest of 180

Mathematics
Step-by-step answer
P Answered by PhD
Answer: 440 grams for 1.54 is the better value
Explanation:
Take the price and divide by the number of grams
1.54 / 440 =0.0035 per gram
1.26 / 340 =0.003705882 per gram
0.0035 per gram < 0.003705882 per gram
Mathematics
Step-by-step answer
P Answered by PhD

Cost of 7 gallons=$24.50

Cost of 1 gallon=24.50/7=3.5

Cost of 15 gallons=15*3.5=52.5

Cost of 15 gallons will be $52.5

Mathematics
Step-by-step answer
P Answered by PhD

For 1 flavor there are 9 topping

Therefore, for 5 different flavors there will be 5*9 choices

No of choices= 5*9

=45 

Mathematics
Step-by-step answer
P Answered by PhD

F=ma

where F=force

m=mass

a=acceleration

Here,

F=4300

a=3.3m/s2

m=F/a

    =4300/3.3

    =1303.03kg

Mathematics
Step-by-step answer
P Answered by PhD

F=ma

where F=force

m=mass

a=acceleration

Here,

F=4300

a=3.3m/s2

m=F/a

    =4300/3.3

    =1303.03kg

Approximately it is aqual to 1300kg

Mathematics
Step-by-step answer
P Answered by PhD

Salesperson will make 6% of 1800

=(6/100)*1800

=108

Salesperson will make $108 in $1800 sales

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