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Kruka [31]
3 years ago
6

Which step is nigels mistake

Mathematics
1 answer:
sp2606 [1]3 years ago
7 0

Answer:

step 1

Step-by-step explanation:

step 1 he made the mistake

should have been:

h - 2 = 20

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Subtract.<br><br> 1 2/5−(−3/5)<br><br> Enter your answer, in simplest form, in the box.
mars1129 [50]

Answer:

3/5

Step-by-step explanation:

you need to subtract the two fractions then you can divide them by 2 to make them in their simplest form!

HOPE THIS HELPS!!!

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3 years ago
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Which of the following is true about the graph of f(x)=7^x. Select all that apply.
marishachu [46]

Answer:

D

Step-by-step explanation:

If it intersects the x axis, then y = 0. This is not possible, as you can plug in x to be 1/100000000000000000000000000000000000, or something very tiny, but it will never get 0. So, A is not a choice.

This also means B is not a choice.

If C is a choice, then it does not intercept the y axis, or x cannot be 0. This is not true, because (0, 1) is on the graph.

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7 0
3 years ago
What is the equation of the line that is parallel to the
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Answer:

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lk;j

Step-by-step explanation:

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4 0
3 years ago
A survey of 280 homeless persons showed that 63 were veterans. Construct a 90% confidence interval for the proportion of homeles
MA_775_DIABLO [31]

Answer:

[0.184, 0.266]

Step-by-step explanation:

Given:

Number of survey n =280

Number of veterans = 63

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Computation:

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Probability of veterans =0.225

a=0.1

Z(0.05) = 1.645 (from distribution table)

Confidence interval = 90%

So,

p ± Z*√[p(1-p)/n]

0.225 ± 1.645√(0.225(1-0.225)/280)

[0.184, 0.266]

4 0
3 years ago
1/2÷2/5=what's the answer?
Digiron [165]
1.25 is the answer....
3 0
3 years ago
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