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jek_recluse [69]
3 years ago
5

SHOW STEP BY STEP!!! I"LL MAKE YOU BRAINLEST AND if YOU COPY SOMEONE IM REPORTING YOU

Mathematics
2 answers:
Korvikt [17]3 years ago
7 0

Answer:

5/4 (d)

Step-by-step explanation:

wed- 610

mon - 488

Ratio = Wed/mon = 610/488

(610/2)/(488/2) = 305/244

305 = 61 x 5

244 = 61 x 4

cancelling out the 61 on both number = 5/4

Cerrena [4.2K]3 years ago
4 0

Answer:

It should be C: 5:4

Step-by-step explanation:

because Wednesday=610

Monday=488

Ratio = Wed/mon = 610/488

610/488 = 5/4

I REALLY HOPE THIS HELPS YOU GET A GREAT GRADE.

:) :) :) :) :)

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3*2/6*2 +10/12 = 6/12 +10/12 =16/12 
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3 years ago
Simplify the expression using the distributive property 42 + 7a
melamori03 [73]
42+7a= 7(6+a)
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In each situation, write a recurrence relation, including base case(s), for the given function. briefly explain in words why thi
vova2212 [387]
A thumb-wrestling match requires two thumbs, so we can either suppose that we need at least two people (n\ge2), or allow one to thumb-wrestle one's self. In either case, we'd have t(1)=t(2)=1, so let's just say we need a minimum of two players.

If we add one more person to the set of players, then the first two people would need to play 1 additional match each. So t(3)=t(2)+2.

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6 0
3 years ago
If you want to construct a 90% confidence interval, what critical value (z*) should you use? Group of answer choices 2.576 1.960
Rom4ik [11]

Answer:

For this case we know that the confidence level is 90% so then the significance level is \alpha=1-0.9 =0.1 and \alpha/2 =0.05. And we can find in the normal standard distribution a value who accumulates 0.5 of the area on each tail and we got:

z_{\alpha/2}= \pm 1.645

And the best option would be:

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Step-by-step explanation:

We assume that the parameter of interest is \theta and we can assume that the distribution for this parameter is normally distributed so then the confidence interval assuming a two sided interval is given by:

\hat \theta \pm z_{\alpha/2} SE

Where \hat \theta represent the estimator for the parameter, SE the standard error and z_{\alpha/2} the critical value.

For this case we know that the confidence level is 90% so then the significance level is \alpha=1-0.9 =0.1 and \alpha/2 =0.05. And we can find in the normal standard distribution a value who accumulates 0.5 of the area on each tail and we got:

z_{\alpha/2}= \pm 1.645

And the best option would be:

1.645

6 0
3 years ago
Simplify the expression: 7 - 7(5 + x) - 9x
umka21 [38]
7 - 35 - 7x - 9x
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8 0
4 years ago
Read 2 more answers
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