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bagirrra123 [75]
3 years ago
9

Select all the equations where n= 6 is a solution.

Mathematics
2 answers:
timurjin [86]3 years ago
8 0

Answer:

4=10-n

3=n/2

8n=48

Step-by-step explanation:

Because for the first one instead of subtracting 10-n you will subtract 10-4, which is 6 so that one and for the second one you would do the inverse of division and multiply 3x2and get 6 and then for the fourth one you will divide 8/48 and get 6

Hoped this helped!!! Have a Great Day!!! Pls give me BRAINLIEST!!

Rama09 [41]3 years ago
8 0
1, 2, and 4

hope this helps
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3 years ago
The area of a rectangle is 168 square feet. The ratio of the width to the length is
nlexa [21]

Answer:

Width = 12 feet

Step-by-step explanation:

Given that,

Area of a rectangle is 168 square feet.

The ratio of the width to the length is  6:7.

Let the length is 7x and width is 6x.

According to question,

Area = 168 sq feet

l×b=168 sq feet

7x × 6x = 168

42x² = 168

x² = 4

x = 2

Length = 7x = 7(2) = 14 feet

Breadth = 6x = 6(2) = 12 feet

So, the width of the rectangle us 12 feet.

5 0
3 years ago
If alvin sold 60% of his baseball cards, gave away 30% of those that were left, and still had 40 baseball cards in his possessio
kipiarov [429]

Answer:

The number of baseball card to begin with is 143

Step-by-step explanation:

Let The number of baseball cards = x

The number of sold baseball card = 60% of x

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The number of left baseball card = x - 0.6 x = 0.4 x

The number of card gave away = 30 % of left cards

                                                     = 0.3 × 0.4 x = 0.12 x

The number of card left in his possession = 40

So, 0.6 x + 0.12 x + 40 = x

Or,  40 = x - 0.6 x - 0.12 x

Or,  40 = 0.28 x

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Hence The number of baseball card to begin with is 143  Answer

3 0
3 years ago
What is the recursive formula for this sequence . 10,14,18,22,26
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add 4 each time

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f(n+1)=4+f(n)

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4 0
3 years ago
Read 2 more answers
John is building a fence around his home currently his fence measures 14 feet on each side but he wants to increase only the wid
nalin [4]

Answer:

The dimensions of rectangular fence are 14 feet and 20 feet.

Step-by-step explanation:

We are given the following in the question:

Length of rectangular fence = 14 feet

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Area of rectangular field =

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Putting the values, we get,

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Thus, the dimensions of rectangular fence are 14 feet and 20 feet.

7 0
3 years ago
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