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2 years ago

Find the Precision for each measurement. 40 feet? 12cm? 9 1/2in.?

Mathematics

1 answer:

iris [78.8K]2 years ago

8 0

precision for 40 feet is 1/2 foot

12 cm is 1/2 cm

for 9 1/2 in is 1/4 in

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I need health drink is 130% of the recommended daily allowance RDA for a certain vitamin the RDA for this vitamin is 45 MG. How

Lerok [7]

Answer:

58.5mg of the vitamin in a drink

Step-by-step explanation:

We know...

130% of RDA for vitamin x >> RDA for vitamin x = 45mg >> 130% of 45 = ?? mg in a drink.

1. 130% $= \frac{130}{100} = 1.3$

2. 130% of 45 >> $1.3(45)=58.5$

I hope this helps you?!

3 0

3 years ago

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Which expression is equivalent to 1/2x+(−7)−2 1/4x−(−2

Lynna [10]

The equivalent expression to the given expression is $\mathbf{=-(\dfrac{7}{4}x+5)}$

<h3>What is an algebraic expression?</h3>

Algebraic expressions are mathematical expressions. They usually consist of one or more variables with their coefficients and arithmetic operators such as: (division, multiplication, addition, and subtraction).

From the given expression, we are to determine an expression that is equivalent to:

$=\dfrac{1}{2}x + (-7) -2 \dfrac{1}{4}x -(-2)$

To do this, we are going to simplify the above-given expression to its lowest term since we are not given any options to choose equivalent expressions from.

By doing so, we have:

$=\dfrac{1}{2}x -7 -\dfrac{9}{4}x +2$

$=\dfrac{1}{2}x -\dfrac{9}{4}x +2 -7$

$=\dfrac{1}{2}x -\dfrac{9}{4}x -5$

$=-\dfrac{7}{4}x-5$

$\mathbf{=-(\dfrac{7}{4}x+5)}$

Learn more about solving algebraic expressions here:

brainly.com/question/4344214

#SPJ1

5 0

1 year ago

Easy ratio question for you power hungry point eaters<br>please answer both questions :)

Amiraneli [1.4K]

Answer:

#1- 20.25 kg of milk

#2- 80kg of butter

Step-by-step explanation:

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2 years ago

2x + y = 3<br> x = 2y - 1

Ad libitum [116K]

<span>2x+ y = 3
x = 2y - 1
Make sure there are NO SPACES in your answer. Include a comma in your answer.
It looks like I could substitute the x=2y-1. Into 2x+y=3
2(2y-1)+y=3
4y-2+y=3
5y=5
y=1
x=2(1)-1
x=1

(1,1)
CHECK
2x+y=3
2(1)+(1)=3
2+1=3
3=3
Left hand side=Right hand side
Check other equation
x=2y-1
1=2(1)-1
1=1
Therefore the solution is (1,1). Since the left hand side= right hand side in each equation</span>

8 0

3 years ago

What is the answer to 24+n/4=10

MA_775_DIABLO [31]

Answer:

n = -56

Step-by-step explanation:

first subtract the 24 from both sides. you get -14.

then multiply 4 to -14.

you get -56

8 0

3 years ago

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