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Brums [2.3K]
3 years ago
8

What number could be added to 0.40 mL for the level pf precision to be 0.01mL?

Mathematics
1 answer:
Mila [183]3 years ago
4 0

Answer:

-0.39mL

Step-by-step explanation:

Let x be the number.

The expression would be: 0.40 + x = 0.01

Apply algebra to the equation to solve for x. You can subtract 0.40 from each side to simplify the expression. Here's what it should look like after applying algebra: x = -0.39

Therefore the answer is -0.39mL

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i think its D on edg

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3 years ago
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Since ∠E and ∠F are vertical angles, they are congruent, meaning that m∠E = m∠F

Plugging in the equations that were originally given, we can form the equation 9x + 12 = 3x + 24

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3 years ago
Which of the following square roots would not be between 4 and 5?
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2 years ago
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A brochure claims that the average maximum height for a certain type of plant is 0.7 m. A gardener suspects that this is not acc
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Answer:

As Z, it is possible to reject null hypotesis. It means that the local mean height is less tha 0.7 m with a 5% level of significance.

Step-by-step explanation:

1. Relevant data:

\mu=0.70\\N=40\\\alpha=0.05\\X=0.65\\s=0.20

2. Hypotesis testing

H_{0}=\mu=0.70

H_{1} =\mu< 0.70

3. Find the rejection area

From the one tail standard normal chart, whe have Z-value for \alpha=0.05 is 1.56

Then rejection area is left 1.56 in normal curve.

4. Find the test statistic:

Z=\frac{X-\mu_{0} }{\sigma/\sqrt{n}}

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5. Hypotesis Testing

Z_{\alpha}=1.56\\Z=-1.58

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As Z, it is possible to reject null hypotesis. It means that the local mean height is less tha 0.7 m with a 5% level of significance.

4 0
4 years ago
Javier has a job installing windows. He earns a rate of $75 per day plus $8 per window installed. He also receives a stipend of
vichka [17]
75d+8w+25
Part A)
75 and 8 are coefficients because coefficients are the numbers before and multiplied to the variable.
d and w are variables because variables aresymbols to represent the unknown numbers.
25 is the constant because constants are not affected by the variable.
Part B)
75d+8w+25
75(5)+8(48)+25 replace the variables
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Part C)
No, because his stipend is a constant, and constants are not affected by the variable.
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3 years ago
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