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3 years ago

Which angles are co-terminal with 3π/2 ?

Mathematics

1 answer:

irina1246 [14]3 years ago

7 0

One is 3pi/2 - 2pi = -pi/2

also -7pi/2

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Write each of the following expressions without using the absolute value sign. |x−4| if x>4

RSB [31]

Answer:

x-4

Step-by-step explanation:

|x−4| if x>4

That means x-4 is always positive since x> 4

x-4

6 0

3 years ago

4. John wants to cover a box entirely with silver paper. How many square centimetres

masya89 [10]

Answer:

l=22cm

b:16cm

h:10cm

surface area =2(lb+bh+lh)=2(22*16+16*10+22*10)

=1464cm²

a=2.5dm

area cubical soda cracker box=6a²=6*2.5²=37.5dm²

r=1.5dm

area of ball=4πr²=4π×1.5²=28.27dm² per ball

for 10 bal =28.27×10=282.6dm²

8 0

3 years ago

Please help!!

Marysya12 [62]

The LCD of 3 and 4 is 12. To make 4 into 12, we multiply it by three, so 3 would also have to be multiply by 3, turning 3/4 into 9/12.

The same thing applies to 1/3, only it needs to be multiplied by 4. So it would become 4/12

9/12 - 4/12 = 5/12

4 0

3 years ago

Read 2 more answers

The graph of the function f(x) = -(x+3)(x - 1) is shown below. What is true about the domain and range of the function? у The do

Nataly_w [17]

Answer:

The domain will be all real numbers, range will be all real numbers below -3

Step-by-step explanation:

its quadratic so it goes forever left and right. but the vertex has a y value of -3. It is a negative sloped graph, so anything below that is in the range

5 0

3 years ago

If z=3−5i, find |z|.

geniusboy [140]

Answer:

Step-by-step explanation:

The absolute value of z is the distance between the point graphed from the complex number and the origin on a complex plane. In a complex plane, the x axis is replaced by R, real numbers, and the y axis is replaced by i, the complex part of the complex number. Our real number is positive 3 and the complex number is -5, so we go to the right 3 and then down 5 and make a point. Connect that point to the origin and then connect the point to the x axis at 3 to construct a right triangle that has a base of 3 and a length of -5. To find the distance of the point to the origin is to find the length of the hypotenuse of that right triangle using Pythagorean's Theorem. Therefore:

$|z|=\sqrt{(3)^2+(-5)^2}$ and

$|z|=\sqrt{9+25}$ and

$|z|=\sqrt{34}$

5 0

3 years ago