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2 years ago

Can someone help me please

Mathematics

1 answer:

Ipatiy [6.2K]2 years ago

5 0

The price of the shoes times .06 will give you the abswer

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What is the quadratic equation 2x2+3x-20=0

liq [111]

3x=20+2x2=24
x=24÷3=8

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2 years ago

Read 2 more answers

A line passes through the given points. write an equation for the line in point-slope form. then rewrite the equation in slope i

rodikova [14]

#1 first we need to solve for slope which is y2-y1/x2-x1

plug in the coordinates and get 1-6/5-(-2) which makes our slope -5/7

then use the equation for point slope form which is:

y-y1=m(x-x1)

then plug in one of the coordinates, I'll use (-2,6), now we have

y-6=-5/7(x+2)

now to make this slope intercept, we just have to solve

y-6=-5/7x-10/7

y=-5/7x+4 4/7

repeat all these steps for 2 and 3

#2: slope = -13/5

plug it in to point slope and get: y+8=-13/5(x-3)

slope intercept:

y+8= -13/5x + 39/5

y= -13/5x -1/5

#3: slope = 3/4

point slope form: y-2=3/4(x-3)

slope intercept: y-2=3/4x-9/4 --> y=3/4x-1/4

7 0

2 years ago

Why did the kindergartner take her books to the zoo?

monitta

To feed them to the animals

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2 years ago

There were 35,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paper

bija089 [108]

Answer:

3,717,000

Step-by-step explanation:

The calculation of paperback copies is shown below:-

Let us assume hardback copies is x, so paperback copies will be 9x

now the equation is

35,000 + x + 9x = 448,000

10x = 448,000 - 35,000

10x = 413,000

$= \frac{413,000}{10}$

= 41,300

Therefore, the paperback copies are

= $9\times 41,300$

= 3,717,000

Hence, the paperback copies is 3,717,000

4 0

2 years ago

Find a vector equation and parametric equations for the line. (Use the parameter t.)The line through the point (4, 2.1, 3.1) and

olga_2 [115]

Answer:

Vector equation:

$(4 + 6t, 2.1 + 4t, 3.1 - 2t)$

Parametric equations:

$x(t) = 4 + 6t$

$y(t) = 2.1 + 4t$

$z(t) = 3.1 - 2t$

Step-by-step explanation:

The line is parallel to the vector 3i + 2j − k.

So the vector of this line is a multiple of this vector, so i will use 6i + 4j - 2k.

The line goes through the point (4, 2.1, 3.1).

So the parametric equations are:

$x(t) = 4 + 6t$

$y(t) = 2.1 + 4t$

$z(t) = 3.1 - 2t$

The vector equation is:

$(4 + 6t, 2.1 + 4t, 3.1 - 2t)$

3 0

2 years ago