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3 years ago

Express 0.00562 in standard form

Mathematics

1 answer:

saul85 [17]3 years ago

7 0

Answer:

0.005+0.0006+0.00002=0.00562

Step-by-step explanation:

I think its how you do it

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Nate can buy T-shirts in packs of 5 for $11.40 or in packs of 2 for $5.80. How much money does he save by buying 30 T-shirts at

kogti [31]

The answer is 2 for 5.80 is cheaper for buying 30 t-shirts.

8 0

3 years ago

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jailyn went on a trip to Austin TX she traveled 301.5 miles in 4.5 hours. what was her average speed

Gnesinka [82]

Answer:

67 mph

Step-by-step explanation:

Well the average speed is miles per hour so simply its 301.5 miles and 4.5 hours

which to see how many miles in one hour:

301.5/4.5 = 67

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3 years ago

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Is X-13=x+1 true or false

Black_prince [1.1K]

Answer: FALSE.

Step-by-step explanation:

Given the following equation provided in the exercise:

$x-13=x+1$

You need to solve for the variable "x".

In order to solve for "x" you can folllow the steps shown below:

1. You must apply the Addition property of equality and add 13 to both sides of the equation. Then:

$x-13+(13)=x+1+(13)\\\\x=x+14$

2. Finally you need to apply the Subtraction property of equality and subtract "x" from both sides of the equation. So you get:

$x-(x)=x+14-(x)\\\\0=14\ (FALSE)$

Therefore, as you can observe, the given equation has no solutions.

3 0

4 years ago

Anybody good in pre Calculus and know how to do #3 or #4?

lys-0071 [83]

Answer:

3. 0

4. n = -2

Step-by-step explanation:

I haven't taken pre-calc but this looks a lot like algebra.

For #3, just plug in -2 for the x values, so:

x^2 + 4x +4

(-2)^2 + 4(-2) + 4

= 4 - 8 + 4

= 0

For #4, move the variables to one side and solve( im not sure what the pi is for tho, or is that a n?):

5n + 6 = -3n - 10

add 3n to both sides

8n + 6 = -10

subtract 6 from both sides

8n = -16

divide both sides by 8

n = -2

7 0

3 years ago

Find a vector equation and parametric equations for the line The line through the point (2, 2.4, 3.5) and parallel to the vector

BartSMP [9]

Answer:

The vector equation

$r = (2 + 3t)i+ (2.4 + 2t)j+ (3.5 - t)k$

The parametric equation

$x = 2 + 3t\\y = 2.4 + 2t\\z = 3.5-t$

Step-by-step explanation:

Given

$Point = (2,2.4,3.5)$

$Vector = 3i + 2j - k$

Required

The vector equation

First, we calculate the position vector of the point.

This is represented as:

$r_0 = 2i + 2.4j + 3.5k$

The vector equation is then calculated as:

$r = r_o + t * Vector$

$r = 2i + 2.4j + 3.5k + t * (3i + 2j - k)$

Open bracket

$r = 2i + 2.4j + 3.5k + 3ti + 2tj - tk$

Collect like terms

$r = 2i + 3ti+ 2.4j + 2tj+ 3.5k - tk$

Factorize

$r = (2 + 3t)i+ (2.4 + 2t)j+ (3.5 - t)k$

The parametric equation is represented as:

$x = x_0 + at\\y = y_0 + bt\\z = z_0 + ct$

Where

$r = (x_0 + at)i +(y_0 + bt)j+(z_0 + ct)k$

By comparison:

$x = 2 + 3t\\y = 2.4 + 2t\\z = 3.5-t$

4 0

3 years ago

Express 0.00562 in standard form​

Express 0.00562 in standard form