4 years ago

Kris is staining 30 wooden rectangular fence pieces. The fence pieces are different sizes, and Kris wants

Mathematics

1 answer:

bixtya [17]4 years ago

5 0

Answer:

Step-by-step explanation:

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Which expression is equivalent to x2 + 2x + 2

Verizon [17]

The answer is Option A.

x + 1 - i ) (x + 1 + i)

Solution:

x (x+2) +2

(x+1)² + 1

= (x + 1 - i ) (x + 1 + i)

6 0

3 years ago

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Use the method of elimination to solve the following pairs of simultaneous equations 4p+3q=9

mr_godi [17]

Answer:

P=3, q=-1

Step-by-step explanation:

4p+3q=9 equation 1

2p+3q=3 equation 2

-4p-3q=-9 multiply equation 1 by -1 to eliminate q

-2p+0=-6 add above 2 equations

-2p=-6

p=3

solve for q by inserting p value into either equation

2p+3q=3

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6+3q=3

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7 0

3 years ago

Pls help question is on picture

brilliants [131]

Answer:

9/15 = 3/5 (simplified)

Step-by-step explanation:

In a right triangle, the cosine is the ratio of the adjacent side to the hypotenuse:

$\cos\theta = \frac{\text{adjacent}}{\text{hypotenuse}}$

The adjacent side is the side that makes up the angle but is not the hypotenuse.

I'm assuming the answer box should ask for cos(theta) rather than cos(x).

5 0

3 years ago

-29 19/40 as a decimal

Mariulka [41]

19 divided by 40 is .475 so it’s -29.475

7 0

3 years ago

Multiply (30x3 y2)(5x4 y3)

expeople1 [14]

Answer:

1008y^5

Step-by-step explanation:

Step 1:

30*3

=90

Step 2:

5*4

Step 3:

90*9

=1800

Step 4:

y^2+y^3

=y^5

4 0

3 years ago

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