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lana66690 [7]
3 years ago
11

Let u = <-6, 3>, v = <1, 9>. Find u - v.

Mathematics
1 answer:
sveta [45]3 years ago
8 0

\bf \begin{cases} u=\\ v= \end{cases}~\hspace{7em} \begin{array}{llll} u-v\implies - \\\\\\  \\\\\\  \end{array}

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The ideal mass for a piece of chocolate is 2.5 ounces. The actual mass for a production can vary by, at most, 0.08
Nady [450]

Answer:

2.42\,oz \leq m_{real} \leq 2.58\,oz

Step-by-step explanation:

The inequality must be the absolute value of the difference between real mass and ideal mass less or equal to 0.08 ounces. That is to say:

|m_{real} - m_{ideal}| \leq 0.08\,oz

|m_{real} - 2.5\,oz| \leq 0.08\,oz

There are two extreme cases:

m_{real,max} - 2.5\,oz = 0.08\,oz and m_{real, min} - 2.5\,oz = -0.08\,oz

m_{real, max} = 2.58\,oz and m_{real,min} = 2.42\,oz

Range of chocolate masses must be:

m_{real, min} \leq m_{real} \leq m_{real,max}

2.42\,oz \leq m_{real} \leq 2.58\,oz

8 0
3 years ago
Ben is 12 years older than Ishaan. Ben and Ishaan first met two years ago. Three years ago, Ben was 4 times as old as Ishaan.
Nitella [24]
Let x be the age of ishaan so the age of ben will be 12+x. the equation will become x=x+12
Going 3 years back, the age of ishaan was x-3 so that of ben would be x+12-3 before 3 years. at that time the age of ben was 4 times the age of ishaan. it means x+12-3(the age of ben)=4(x-3(the age of ishaan))
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5 0
3 years ago
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Write each number in standard form
olasank [31]
Can we have the numbers?

4 0
3 years ago
Given that h(x) = -3x - 7, what is h(-4)?
iris [78.8K]

Answer:

x=−3x−7whatish(−4)

Step 1: Flip the equation.

28ah2istw−3x=x

Step 2: Add 3x to both sides.

28ah2istw−3x+3x=x+3x

28ah2istw=4x

Step 3: Divide both sides by 28h^2istw.

28ah2istw

28h2istw

=

4x

28h2istw

a=

x

7h2istw

Answer:

a=x7h2istw

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3 years ago
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Write 23 in significant notation​
SOVA2 [1]

*I think you meant scientific notation.*

23 in scientific notation would be 2.3 x 10^1.

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3 years ago
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