4 years ago

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Mathematics

2 answers:

nekit [7.7K]4 years ago

7 0

<span>0.5 +x(0.5)
Hope this helped!</span>

erik [133]4 years ago

7 0

0.5 +x (0.5) Hope it helped

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You have a truck with two gas tanks. The volume of the larger tank is "8x2 + 2x − 1" in3 and the volume of the smaller tank is "

DaniilM [7]

Tank1+tank2=8x^2+2x-1+7x^2-2x+1

Total=15x^2

7 0

4 years ago

A mattress store is having a sale all mattresses are 30% of. Nate wants to know the sale price of a mattress that is regularly $

koban [17]

Answer: $700

Step-by-step explanation:

The store is selling at 30% off.

If a mattress is $1,000, first find out what 30% of $1,000 is:

= 1,000 * 30%

= $300

The store is selling 30% off, this means that they are reducing the price by 30%:

= 1,000 - 300

= $700

5 0

3 years ago

Lauren is selling tickets for her class play. She has already sold twice as many tickets this year as she did last year. If she

Aleksandr [31]

Lauren needs to sell 6 more tickets to reach her goal. 30- (12x2) 12x2=24 30-24=6

5 0

3 years ago

If f(x)=5x^2 and g(x)=x-2 what is (fog)(-3)

olga2289 [7]

Answer:

(fog)(-3) = 125

Step-by-step explanation:

So, we need to first evaluate g(-3) and then plug the value of g(-3) into f(x) to find (fog)(-3). So, let's do that:

$g(-3) = -3-2 = -5$

$f(g(-3)) = f(-5) = 5(-5)^2 = 5(25) = 125$

Thus, (fog)(-3) = 125.

7 0

4 years ago

Ben, Bob and Bill are triplets. They were born 5 years before their sister, Stephanie. This year the product of their four ages

maria [59]

Let the triplets' age be x, the sister's age is then x-5.
product of their age as given
xÂł.(x-5)=75749+x+x+x+x-5
x^4 - 5xÂł= 4x +75744
x^4 - 5xÂł -4x -75744=0
resolving the equation,
we get
x = 18
therefore, Age of ben,bob and bill is 18
so , age of stephanie is x-5 = 18-5 = 13
stephanie is 13 years old.

3 0

3 years ago