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2 years ago

7

Cesar wants to buy grass seed to cover his whole lawn, except for the pool. The pool is 7 1 2 m by 3 1 4 m. Find the area the gr

ass seed needs to cover.

1 answer:

timofeeve [1]2 years ago

4 0

226'394 is the area of grass need to grow

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For the diagram at right, write and solve an equation to find x

Tomtit [17]

Answer:

x = 24

Step-by-step explanation:

The formula for determining the sum of interior angles is:

$(n-2) * 180$

$4 * 180 = 720$

Therefore to determine an equation for x, we must add up all the interior angle equations and set them equal to 720.

$(2x+3) +(3x+12) + (7x+14) + (9x+2) + (4x+8) + (3x+9) = 720\\28x + 48 = 720\\28x = 672\\x = 24$

The equation and answer above shows how to find x, which equals 24.

3 0

2 years ago

7 is ten times the value of what

MrRissso [65]

Answer:

0.7

Step-by-step explanation:

0.7x10=7

8 0

3 years ago

Resuelve con calculadora y escribe la regla utilizada

Anna11 [10]

$36\times 100 = 3600\\\\8 \times 1000 = 8000\\\\5.6 \times 10 = 56\\\\5.6 \times 100 = 560\\\\5.6 \times 1000 = 5600\\\\2.12 \times 100 = 212$

When you multiply by 10, 100, or 1000, you must move the decimal place over by how many zeroes there are. Once there is no more decimals, you add 0's to the end of the number until you are done.

For example, 5.6 x 1000

1000 has 3 zeroes.

That means we need to move the decimal spot 3 times.

5.6 x 1000 = 56 x 100

We got rid of the decimal but we still have 2 zeroes left. So now we just add 2 zeroes at the end of the number.

5.6 x 1000 = 56 x 100 = 5600

I hope that helps! :)

6 0

3 years ago

Angle B = ?<br> Need help.

zaharov [31]

Answer:

angle B = 33.42

Step-by-step explanation:

take angle B as reference angle

using tan rule

tan B = opposite/adjacent

tan B = 6/9

tan B = 0.66

B = $tan^{-1} (0.66)$

B = 33.424

B = 33.42

5 0

3 years ago

The sum of two polynomials is why Z squared minus 3Z squared minus 4Y +4 if one of the palm will normally else is Y -4

k0ka [10]

Answer: $3yz^2-5y-3z^2+7$

Step-by-step explanation:

<h3> The complete exercise is: </h3><h3> "The sum of two polynomials is $-yz^2 -3z^2-4y + 4$ . If one of the polynomials is $y - 4yz^2 - 3$ , what is the other polynomial?"</h3>

By definition, the sum is the result of the addition.

According to the information given in the exercise, the polynomial $-yz^2 -3z^2-4y + 4$ is obtained by adding the polynomial $y - 4yz^2 - 3$ and another polynomial.

Then, you can find the other polynomial by subtracting $y - 4yz^2 - 3$ from $-yz^2 -3z^2-4y + 4$ :

$(-yz^2 -3z^2-4y + 4)-(y - 4yz^2 - 3)$

So, the steps are:

1. You must distribute the negative sign:

$=-yz^2 -3z^2-4y + 4-y + 4yz^2+ 3$

2. Finally, you need to add the like terms:

$=3yz^2-5y-3z^2+7$

3 0

2 years ago