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harkovskaia [24]
3 years ago
11

Find the product and simplify your answer. 7a5(-3a4+5a-5)

Mathematics
1 answer:
Alex Ar [27]3 years ago
3 0

\text{Hey there!}

\mathsf{Use\ distributive\ property\ to\ solve}}\\\\\text{The formula is : a(b + c)=a(b)+a(c)=b+ac}\\\\\mathsf{7a^5(-3a^4+5a-5)}\\\\\mathsf{7a^5(-3a^4)=-21a^9}\\\\\mathsf{7a^5(5a)=3a^6}\\\\\mathsf{7a^5(-5)=-35a^5}

\boxed{\boxed{\mathsf{Your\ answer: \boxed{\mathsf{-21a^9+35a^6-35a^5}}}}}}\checkmark

\text{Good luck on your assignment and enjoy your day!}

~\dfrac{\frak{LoveYourselfFirst}}{:)}

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A number cube numbered 1-6 is rolled 30 times and lands on an even number 18 times how does the frequency based on the probabili
asambeis [7]

Answer:

experimental probability = 18/30 =0.6 =3/5

frequency=3/5=0.6=60%

4 0
4 years ago
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6 0
3 years ago
una ferreteria compra 4 bobinas de cable de 200 metros cada una a 2 euros el metro ¿a cuanto debe vender el metro si quiere gana
pashok25 [27]

Answer:

The selling price of meter of cable must be equal to 3 euros

Step-by-step explanation:

The question in English is

A hardware store buys 4 reels of cable of 200 meters each at 2 euros per meter. How much must the meter sell if you want to earn 800 euros?

we know that

The profit will be equal to the selling price minus the purchase price, all multiplied by the total meters of cable

Let

x -----> the selling price of the meter of cable

y -----> the purchase price of the meter of cable

N ----> the meters of cable

P ----> the profit

so

P=N(x-y)

we have

The total meters of cable N purchased is equal to

N=4(200)=800\ m

y=2\ euros\meter

P=800\ euros

substitute

800=800(x-2)

Solve for x

Simplify

1=(x-2)

x=2+1=3\ euros

therefore

The selling price of meter of cable must be equal to 3 euros

3 0
4 years ago
10 x __= 5/6 + 5/6 Solve.
yuradex [85]

Answer:

let \: that \: number \: be \: m \\ 10 \times m =  \frac{5}{6}  +  \frac{5}{6}  \\ 10m =  \frac{10}{6}  \\ m =  \frac{10}{60}  \\ m =  \frac{1}{6}

6 0
3 years ago
Dominic had $500 in his wallet. He went to the nursery and purchased 8 rose bushes at $22 each, 12 evergreen shrubs at $18 each,
timurjin [86]

Answer:

176+216+75=467

500-467=33

so 33 is the answer

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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