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ss7ja [257]
3 years ago
9

What is the easiest method to solve this equation?

Mathematics
2 answers:
Gennadij [26K]3 years ago
4 0

Using the quadratic equation would be the easiest

Kryger [21]3 years ago
4 0

Answer: C (Quadratic Formula)

Explanation:

No reason really. No way to factor by using “nice” numbers. Isolating the variable (e.g. completing the square) gives us “complicated” fractions. It therefore can’t be D. The answer is C

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lutik1710 [3]
The square root of 70 millions is <span>8366.60026534</span>
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3 years ago
Martin wants to build an additional closet in a corner of his bedroom. Because the closet will be in a corner, only two new wall
Gekata [30.6K]

The relationship between the length & the width of the closet and the length of the wall is an illustration of a linear equation.

  • <em>The equation for f(l) is: </em>f(l) = 1.5l<em>.</em>
  • <em>The desired length and width are 8m and 4m</em>

<em />

Given that:

l = 2w

Divide both sides by 2

w = 0.5l

<u>Equation of f(l)</u>

The sum of the length and the width is represented as: f(l).

So, we have:

f(l) = l + w

Substitute w = 0.5l

f(l) = l + 0.5l

f(l) = 1.5l

See attachment for the graph of f(l)

<u>The desired dimension</u>

From the question, we understand that the total length is 12m.

This means that:

f(l) = 12

So, we have:

1.5l = 12

Divide both sides by 1.5

l = 8

Recall that:

w = 0.5l

w = 0.5 \times 8

w = 4

Hence, the desired length and width are 8m and 4m, respectively.

Read more about linear equations at:

brainly.com/question/2263981

8 0
3 years ago
Factor tree for 30 and 54
elena-14-01-66 [18.8K]

Answer:

30|2

15|3

5|5

1

54|2

27|3

9|3

3|3

1

5 0
3 years ago
Read 2 more answers
The total cost of $4 sharpeners and $7 folders is $30.05. If the cost of a sharpener is $a, and a folder is $2.80 more expensive
raketka [301]

9514 1404 393

Answer:

  a = $0.95

Step-by-step explanation:

The cost of a sharpener is 'a', and the cost of a folder is $2.80 more, so is a+2.80. The total cost of 4 sharpeners and 7 folders is ...

  4a +7(a+2.80) = 30.05

  11a = 10.45 . . . . . . . . . . . subtract 19.60

  a = 0.95 . . . . . . . . . . . divide by 11

The cost of a sharpener is a = $0.95.

7 0
2 years ago
HELP QUICK PLS HELP QUICK PLS
PilotLPTM [1.2K]

Answer:

<h3>I THINK ITS • (4X2+32X+64-π(x2+2x+1))</h3>

Step-by-step explanation:

i hope it helps :)

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