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Ipatiy [6.2K]
3 years ago
11

it cost 3.99 for 25 fl. oz or detergent or 6.99 for 90 fl. oz of detergent which is a better buy? and can you work it out please

.
Mathematics
1 answer:
Ierofanga [76]3 years ago
7 0
The 90 fl. oz is a better buy 
3.99/25=0.15
6.99/90=0.07
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sarah buys a pair of shoes for $25 plus 8% tax. Hilary buys a shirt for $30mplus an 8% tax. What is the difference in the amount
Semenov [28]

Answer:

5.4

sarah = 27

Hilary = 32.4

Step-by-step explanation:

25(.08)+25=27

30(.08)+30= 32.4

32.4-27=5.4

6 0
3 years ago
What is the factored form of the function f(x)=x^3+8x^2+5x−50?
Inga [223]

Answer:

the factors of  f(x)=x^3+8x^2+5x-50 are (x-2)(x+5)(x+5)

Step-by-step explanation:

We need to factorise the function f(x)=x^3+8x^2+5x-50

If a number is a factor of this function than it must be completely divisible by last co-efficient. Our last co-efficient is -50

Checking few numbers:

f(1)=(1)^{3}+8(1)^2+5(1)-50\\f(1)=1+8+5-50\\f(1)=-32\\Now \ putting \ x= 2 \\f(2)=(2)^{3}+8(2)^2+5(2)-50\\f(2)=8+8(4)+10-50\\f(2)=8+32+10-50\\f(2)=0

So, f(2)=0 which means x-2 is a factor of the given function. Now we will perform long division of x^3+8x^2+5x-50 by (x-2) to find other factors

The long division is shown in figure attached.

After long division we get: x^2+10x+25

The equation x^2+10x+25 can be further simplified as: (x+5)(x+5) or (x+5)^2

So, the factors of  f(x)=x^3+8x^2+5x-50 are (x-2)(x+5)(x+5)

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3 years ago
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Dmitrij [34]

Answer:

I think it's 45 students

Step-by-step explanation:

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3 years ago
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Nastasia [14]
I think its EFGH
I hope that helps!
6 0
4 years ago
Read 2 more answers
Pls help ill give brainliest ​
Maurinko [17]

Answer:

4

Step-by-step explanation:

-5g -6

Let g= -2

-5 (-2) -6

Multiply

10 -6

4

7 0
2 years ago
Read 2 more answers
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