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Lisa [10]
3 years ago
8

Help with math please, 10pts

Mathematics
2 answers:
3241004551 [841]3 years ago
6 0
= 3ab^2 + a^2 - b ^2 - ab
So the correct answer is D
Arisa [49]3 years ago
5 0
Its the third one or c.10ab+a2-b2
                  
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The parabola opens to the right. The focus is given as
Gemiola [76]

Answer:

Step-by-step explanation:

We have that the focus is at (p,0) and that the directrix is x=-p. Take the point (-p,0) of the directrix. We know that the vertex of the parabola is at the middle point ot the line segment that joins the points (p,0) and (-p,0). To get the middle piont, we take the average coordinate by coordinate. That is, the middle point is (\frac{-p+p}{2}, \frac{0+0}{2}) = (0,0). The general formula of a parabola of vertex (h,k) that opens to the right or to the left is given by

(y-k)^2 = 4p(x-h)

Where |p| is the distance from the focus to the vertex. If the parabola opens to the right, then p>0 and p<0 otherwise. In our case, h =0=k, so we get that

y^2 = 4px

3 0
4 years ago
Which fraction is equivalent to 20%?
Rama09 [41]

Answer:

1/5

Step-by-step explanation:

1= 100%

1/5= 100%/5

1/5= 20%

5 0
3 years ago
Read 2 more answers
Dan drinks 2/1.2 pinks of milk a day. How much is this in cups?
Zanzabum

Answer:

i think you mean pints but yeah each pint is 2 cups so for 2 pints there are 4 cups then 1.2 a pint is 1 so in total dan drank 5 cups of milk a day

Step-by-step explanation:

4 0
3 years ago
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Find Simple Interest for the following scenario:
sashaice [31]

Answer:

Simple interest = $ 355,775

Explanation :

We have been given the following datas.

  • Principle amount = $53,500
  • Rate =13.3%
  • Time = 6 months

We have to find the simplest ratio of the given scenario.

  • Formula of Simple Interest = (P× R × T)/100

Simple Interest = (P× R × T)/100

Simple interest = $53,500 × 13.3 ×½

Simple Interest = $ 355775

Therefore, the required simple interest is $355775.

3 0
3 years ago
Find the value of x from this adjoining figure
Fiesta28 [93]

Answer:

x=15^\circ

Step-by-step explanation:

Please refer to the attached figure for labeling of given diagram:

We are given the following angles:

\angle AOC = 3x^\circ\\\angle BOD = 2x^\circ\\\angle EOF = 7x^\circ

Angles opposite to each other when they are formed by crossing of two lines are known as vertically opposite angles. And vertically opposite angles are always equal to each other.

Using property of vertically opposite angles:

\angle EOF = \angle AOB = 7x^\circ

Line CD is a straight line, so \angle COD = 180^\circ

Also,

\angle COD = \angle COA+\angle AOB+\angle BOD = 180^\circ\\\Rightarrow 3x + 7x + 2x=180^\circ\\\Rightarrow 12x =180^\circ\\\Rightarrow x = \dfrac{180}{12}\\\Rightarrow x = 15^\circ

Hence, <em>answer</em> is x = 15^\circ.

5 0
3 years ago
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