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3 years ago

9

What is the value of x? o 14 o 15 0 16 0 17

1 answer:

omeli [17]3 years ago

5 0

Step-by-step explanation:

$70 \div 5 = 14$

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What’s the distance formula

Whitepunk [10]

Step-by-step explanation:

$\text{Let}\ A(x_1,\ y_1)\ \text{and}\ B(x_2,\ y_2).\ \text{Then the distance between}\ A\ \text{and}\ B\ \text{is:}\\\\|AB|=\sqrt{(x_2-x_1)^2+(y_2-y1)^2}\\\\Example:\\\\A(2,\ 5),\ B(-1,\ 1)\\\\|AB|=\sqrt{(-1-2)^2+(1-5)^2}=\sqrt{(-3)^2+(-4)^2}=\sqrt{9+16}=\sqrt{25}=5$

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3 years ago

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In a certain village of Nepal, all the people speak either Nepali, or Maithili

galina1969 [7]

Given,

Nepali speaker : 80% (Y)

Maithili speaker : 60% (X)

We know that,

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Now,

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= 80- 60

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Therefore, 20% people speak both languages

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3 years ago

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3 years ago

Write an equation of a parabola that opens to the left, has a vertex at the origin, and a focus at (–4, 0).

8_murik_8 [283]

Answer:

$y^{2}=-16x$

Step-by-step explanation:

we know that

The standard equation of a horizontal parabola is equal to

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

where

(h,k) is the vertex

(h+p,k) is the focus

In this problem we have

(h,k)=(0,0) ----> vertex at origin

(h+p,k)=(-4,0)

so

h+p=-4

p=-4

substitute the values

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2 years ago

How do I solve this equation: -13+4(-5)?

Alla [95]

Answer:

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Step-by-step explanation:

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3 years ago