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Arte-miy333 [17]
3 years ago
11

If there are 81 students is the band how many boys are in the band

Mathematics
2 answers:
jarptica [38.1K]3 years ago
8 0

Answer:

What is the ratio of boys to girls ?

Step-by-step explanation:

If it's 3:6 then its 27.

OleMash [197]3 years ago
7 0

Answer:

How many girls are in the band? You would need to know this information to answer the question.

Step-by-step explanation:

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Brian pays £465.98 a year on his car insurance. The insurance company reduces the price by 3.6%.How much does the insurance cost
inysia [295]

Answer:

The correct answer is £449.20 rounded upto 2 DP.

Step-by-step explanation:

Brian pays £465.98 a year on his car insurance.

The insurance company reduces the price by 3.6%.

The amount reduced by the insurance company is 3.6% of 465.98 = £16.77528.

Price the insurance company charges now is given by subtracting the previous cost with the reduction amount.

Thus the insurance cost now = £ (465.98 - 16.77528) = £449.20472 ≈ £449.20.

Thus the reduced insurance cost Brian has to pay now is £449.20 rounded to 2DP.

7 0
3 years ago
Read 2 more answers
1. Find an algebraic representation for an exponential function if it is known that f(x + 1) = 4.f(x)
MrMuchimi

f(x)=4^{x-1} is the algebraic representation for an exponential function

Step-by-step explanation:

Given:

f(x + 1) = 4.f(x)

f(3) = 16

To Find:

Algebraic representation for an exponential function=?

Solution:

From the formula f(x+n) = 4^n f(x)

when n= 1, x= 3

f(3+1)= 4(1)f(3)

f(4)= 4f(3)

Substituting the value of f(3)

f(4)= 4f(3)

f(4)= 4 x 16  

f(4)= 64

f(4)=4^2

f (5) = 4^2 x 16

f (5) = 4^2 x  4^2

f(5)= 4^4

Similarly,

F(6) = 4^5

Hence, f(x)=4^{x-1}

4 0
3 years ago
Johans age is given by the polynomial x^2-3x+7. Bret is younger and his age given by the polynomial x^2-x+1. What is the differe
yuradex [85]
(x^2-3x+7)-(x^2-x+1) = -2x+6
5 0
3 years ago
Factor -8x^3-2x^2-12x-3
inysia [295]

-8x^3-2x^2-12x-3\\\\=-2x^2(4x+1)-3(4x+1)\\\\=(4x+1)(-2x^2-3)\\\\=\boxed{-(4x+1)(2x^2+3)}

5 0
3 years ago
Help me to answer this question
Vlad [161]
A I think usuauauauau
7 0
3 years ago
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