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givi [52]
3 years ago
7

Can u explain how u answer this question?

Mathematics
1 answer:
Leto [7]3 years ago
6 0

Answer:

Value of given expression \frac{2p}{q}  when p = -4 and q = 2  is -4.

Step-by-step explanation:

Given expression , \frac{2p}{q}

We have to evaluate the value of the expression when p = -4 and q = 2

Consider the expression given \frac{2p}{q}

To find the value a the given value just put the values in the  given expression

 \frac{2p}{q} becomes  \frac{2(-4)}{2}

Solve further to get its value,

\Rightarrow \frac{-8}{2}

\Rightarrow -4

Thus, value of given expression \frac{2p}{q}  when p = -4 and q = 2  is -4.

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Describe the differences between a parabola that has a horizontal directrix and a parabola that has a vertical directrix.
Readme [11.4K]
 <span>A parabola that has a horizontal directrix is a parabola that opens up or down. 

Here are some of its components: 
1) Standard equation of a parabola with a horizontal directrix: (x-h)^2 = 4a(y-k), 
a = distance from vertex to focus 
2) Vertex at (h,k) 
3) Focus(h,k+a) 
4) Directrix: y = k-a 
5) Axis of symmetry: x = h 

A parabola that has a vertical directrix opens to the right or left and is on its side. 

Here are some components 
1) Standard equation of a parabola with a vertical directrix: (y-k)^2 = 4a(x-h) 
2) vertex (h,k) 
3) focus (h+a,k) 
4) directrix: x = h-a 
5) Axis of symmetry: y = k

Hopes this helps :)</span>
4 0
3 years ago
3x(x2 + 2x – 6) + 4(x2<br> – 6x + 2)
Drupady [299]

Step-by-step explanation:

3x(x2 + 2x – 6) + 4(x2

– 6x + 2)

4 0
3 years ago
One angle of a right triangle measures 80degrees.what is the measure of the other acute angle
Damm [24]

Answer:

10 degrees

Step-by-step explanation:

1.) every triangle has angles that add up to 180 degrees

2.) a right triangle has a right angle and two acute angles

3.) right=90 degrees; acute=<90 degrees

4.) 90+80=170

5.) 180-170=10

3 0
2 years ago
Read 2 more answers
Is 9 ft greater than 4 yards
Sedbober [7]
Find what 9 ft is equal to. 9 ft equals 3 yards. 4 yards equals 12 ft. So the answer is No. 9 ft is not greater than 4 yards. Hoped I helped. :)
7 0
3 years ago
Read 2 more answers
Please view picture. Also please tell mehow you got the answer
Cerrena [4.2K]
Have a look at the image attachment. I've added the points A, B, C, D such that
A = base of the diving board pole, or location of the pool deck
B = the location 1.6 meters directly above point A
C = location of the person's eyes
D = diving board location
The goal is to find the length of segment AD

We are given
AB = 1.6
BC = 3.67
what we want to find is
BD = x

Due to the fact we have similar right triangles ABC and CBD, we can form the proportion below and solve for x
AB/BC = BC/BD
1.6/3.67 = 3.67/x
1.6*x = 3.67*3.67
1.6*x = 13.4689
1.6*x/1.6 = 13.4689/1.6
x = 8.4180625

So BD is 8.4180625 meters
Use this to find the length of AD
AD = AB + BD
AD = 1.6 + 8.4180625
AD = 10.0180625
which rounds to 10.0 meters when rounding to the nearest tenth (one decimal place)

------------------------------------------------------------------------------------------

Answer: choice D) 10.0 m

7 0
3 years ago
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