How many times were 12 go into 80

Mathematics

2 answers:

swat323 years ago

8 0

12 goes into 80 ''6'' times with a remainder of 8

Alona [7]3 years ago

6 0

12 goes into 80 7 times = 72 and you have 8 left over!

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80 x 25 = n Expanded form 80 x ( ) Partial product 80 x 20= 80 x 5 =

defon

9514 1404 393

Answer:

2000

Step-by-step explanation:

Expanded form:

80 × (20 + 5)

Partial products:

80 × 20 = 1600

80 × 5 = 400

Sum of partial products: 1600 + 400 = 2000.

8 0

3 years ago

The first term of an arithmetic sequence is -5, and the tenth term is 13. Find the common difference.

dlinn [17]

$\bf n^{th}\textit{ term of an arithmetic sequence} \\\\ a_n=a_1+(n-1)d\qquad \begin{cases} n=n^{th}\ term\\ a_1=\textit{first term's value}\\ d=\textit{common difference}\\[-0.5em] \hrulefill\\ a_1=-5\\ n=10\\ a_{10}=13 \end{cases} \\\\\\ a_{10}=a_1+(10-1)d\implies 13=-5+(10-1)d \\\\\\ 13=-5+9d\implies 18=9d\implies \cfrac{18}{9}=d\implies \boxed{2=d}$

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3 years ago

Find the quotient and the remainder: (x^2+3x-4)/(x-1)

skelet666 [1.2K]

Evaluate this...
$\frac{x^2+3x-4}{x-1}$
the x at the bottom cancels out one of the xs at the top so it will be
$\frac{x^2+2x-4}{-1}$
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${x^2+2x-3}$

Hope this helps :)

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3 years ago

Let g(x) = x2 + x. Find g(-10).

kondor19780726 [428]

Answer:

Step-by-step explanation:

g(-10) = (-10)²+(-10)

= 100-10 = 90

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3 years ago

Damien has 30 coins, all nickels and dimes. The total value of all these coins is $2.05. How many nickels does he have?

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