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2 years ago

15

Solving multi-step equations 1) p-1=5p+3p-8

2 answers:

Colt1911 [192]2 years ago

7 0

P=1, that's all I know. c:

Feliz [49]2 years ago

6 0

P=1. I hope this helps. :)

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Find the exact values of cos 3 pi/4 radians sin 3 pi/4 radians.

Liula [17]

If you consult the unit circle, you will see that:

$cos(\frac{3\pi}{4}) = -\frac{\sqrt{2}}{2}\\\\sin(\frac{3\pi}{4}) = \frac{\sqrt{2}}{2}$

3pi/4 in degrees is 3pi/4 * 180/pi = 3/4 * 180 = 135 degrees. And please refer to the attachment to how you can obtain the values above.

Now, lets multiply it together.

$-\frac{\sqrt{2}}{2} \cdot \frac{\sqrt{2}}{2} =\\\\-\frac{2}{4} =\\\\ \boxed{\bf{-\frac{1}{2}}}$

So, <span>cos(3pi/4)sin(3pi/4) = -1/2</span>

7 0

3 years ago

Simple and easy question<br> please help

In-s [12.5K]

Answer:

Total volume of the figure = 1067 cm³

Step-by-step explanation:

Volume of the composite figure = Volume of the rectangular prism + Volume of the square pyramid

Volume of the rectangular prism = Length × Width × Height

= 10 × 10 × 7

= 700 cm³

Volume of the square pyramid = $\frac{1}{3}(\text{Area of the base})\times (\text{height})$

= $\frac{1}{3}(\text{Side})^2$ × height

= $\frac{1}{3}(10)^2(18-7)$

= 366.67 cm³

Total volume of the composite figure = 700 + 366.67 = 1066.67 cm³

≈ 1067 cm³

3 0

2 years ago

Read 2 more answers

Hey can you help me fast!!

madreJ [45]

I think it’s 36 square feet

7 0

2 years ago

Sharon read a 300-page book. She read a rate of 15 pages per day in d day.

s344n2d4d5 [400]

Answer:

d=300/15

d=20 btw

hope this helps :))

5 0

2 years ago

How many variable terms are in the expression 3x3y + 5xz − 4y + x − z + 9?

Dimas [21]

Answer:

3

Step-by-step explanation:

there are only x y and z used in the expression no matter how many times they multiply.

8 0

2 years ago