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3 years ago

How many unit squares are shaded in a 12 by 12 border grid

Mathematics

2 answers:

Oduvanchick [21]3 years ago

8 0

So you just have to multiply 12 times 12 which is 144

torisob [31]3 years ago

3 0

12 ×12 =144 squares. an array is found by multiplying length units by width units. Much like finding the area

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ludmilkaskok [199]

Answer: The probability would 0.35770234986 or 35%

Step-by-step explanation:

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2 years ago

If $1000 is invested at 2% interest, compounded continuously, for 5 years what is the ending balance? Round to the nearest cent

Radda [10]

1104.08 is your answer for this question

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3 years ago

2v^2-12 =-12v <br> Would really appreciate it loves❤️

Black_prince [1.1K]

For this case we have the following equation:

$2v ^ 2-12 = -12v$

Rewriting we have:

$2v ^ 2 + 12v-12 = 0$

Dividing by 2 to both sides of the equation:

$v ^ 2 + 6v-6 = 0$

We apply the quadratic formula:

$x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2a}$

We have to:

$a = 1\\b = 6\\c = -6$

Substituting:

$x = \frac {-6 \pm \sqrt {6 ^ 2-4 (1) (- 6)}} {2 (1)}\\x = \frac {-6 \pm \sqrt {36 + 24}} {2}\\x = \frac {-6 \pm \sqrt {60}} {2}\\x = \frac {-6 \pm \sqrt {4 * 15}} {2}\\x = \frac {-6 \pm2 \sqrt {15}} {2}$

Thus, we have two roots:

$x_ {1} = - 3+ \sqrt {15}\\x_ {2} = - 3- \sqrt {15}$

ANswer:

$x_ {1} = - 3+ \sqrt {15}\\x_ {2} = - 3- \sqrt {15}$

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2 years ago

Parallelogram R S T U is shown. Diagonals are drawn from point R to point T and from point U to point S and intersect at point V

stiv31 [10]

Answer:

Option C.

Step-by-step explanation:

Given information: RSTU is a parallelogram, Digonals RT and SU intersect each other at point V, UV=(x-3) and VS=(3x-13).

According to the properties of a parallelogram, the diagonals of a parallelogram bisect each other.

Using the properties of parallelogram we can say that point V divides the diagonal SU in two equal parts, UV and VS.

$VS=UV$

$3x-13=x-3$

Subtract x from both sides.

$2x-13=-3$

Add 13 on both sides.

$2x=10$

Divide both sides by 2.

$x=5$

Therefore, the correct option is C.

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3 years ago

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blagie [28]

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