3 years ago

3 part question. If answer all(brainilest will be given.

Mathematics

1 answer:

docker41 [41]3 years ago

8 0

Answer:

1. 1080

2. It shows the initial debt, i.e., $1080

3.24 months

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2(x-1)+8=4x-20 find the solution (15 points)

Alenkasestr [34]

Answer:

Step-by-step explanation:

2(x-1)+8=4x-20

distribute 2

2x-2+8=4x-20

2x+6=4x-20

subtract 2x from both sides

6=2x-20

add 20 to both sides

26=2x

divide both sides by 2

x=13

Please rate brainliest if this helped you.

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3 years ago

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Last Thursday was costume day at Nicole's school. 609 out of the 870 students at the school wore a costume. What percentage of t

uranmaximum [27]

70%

609:870*100 =

(609*100):870 =

60900:870 = 70

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3 years ago

The sum of the base and height of a triangle is 14 cm. Which of the following equations could be used to find the maximum area o

Montano1993 [528]

Answer:

Step-by-step explanation:

Let the base of the triangle be b and the height be h.

The sum of the base and height is 14. Thus:

$b+h=14$

Recall that the area of a triangle is given by:

$\displaystyle A=\frac{1}{2}bh$

From the first equation, solve for either variable:

$h=14-b$

Substitute:

$\displaystyle A=\frac{1}{2}b(14-b)$

Distribute:

$\displaystyle A=\frac{1}{2}(14b-b^2)$

Distribute:

$\displaystyle A=-0.5b^2+7b$

Let b = x. Hence:

$A=-0.5x^2+7x$

Therefore, our answer is B.

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3 years ago

I think it’s b or d but which one would be more correct?

ipn [44]

Answer:

A.) b- 9.5 = 26.5

Step-by-step explanation:

because the equation is basically saying that (the og length) - 9.5( the one he cut out) = 26.5 ( which is the remaining wood)

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