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3 years ago

Important quiz, please help!

Mathematics

2 answers:

jek_recluse [69]3 years ago

8 0

So your answer would be A. m=8d. Hope this helps :)

tangare [24]3 years ago

6 0

The answer is A

If she rode the bus once (1 day), then the total number of minutes she spends on the bus is 8 minutes

Day (d) = 1

m = 8d
m = 8(1)
m = 8

If she rode the bus twice (2 days), then the total number of minutes she spends on the bus is 16 minutes

Day (d) = 2

m = 8d
m = 8(2)
m = 16

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Factor by grouping: a^2 + 2a + 6a + 12=

kap26 [50]

Answer:

Answer is given below with explanations.

Step-by-step explanation:

${a}^{2} + 2 a + 6a + 12 = 0 \\ a(a + 2) + 6(a + 2) = 0 \\ (a + 6)(a + 2) = 0 \\ a = - 6 \: \: \: \: \: (or) \: \: a = - 2$

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

6 0

3 years ago

If Q is between A and M and MQ=7.3 and AM =8.5, then QA =

aleksandrvk [35]

Simply put if Q is between A and M then you just subtract MQ from AM to to get QA

8 0

3 years ago

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A particular type of mouse's weights are normally distributed, with a mean of 359 grams and a standard deviation of 33 grams. If

igor_vitrenko [27]

Answer:

Following are the responses to the given points:

Step-by-step explanation:

Given:

$\mu = 359 \ \ \ \ \ \sigma = 33\\\\$

Using formula:

$\to P(X = x) = P\left ( z < \frac{x-\mu }{\sigma } \right )$

For point a:

$\to x= 406\\\\P(X < 406 ) = P\left ( z < \frac{406-359 }{33 } \right )\\\\$

$= P\left ( z$

For point b:

$\to x= 461\\\\P(X > 461 ) = P\left ( z > \frac{461 -359 }{33 } \right )\\\\$

$= 1 - P\left ( z < 3.0909 \right )\\\\= 1 - 0.9990\\\\= 0.0001$

For point c:

$\to x= 406\ \ and \ \ 461\\\\P(406$

$= 0.9990 - 0.9222\\\\= 0.0768\\\\$

For point d:

$P(X < 406) = 0.9222 = 92.22 \%\ that \ is \ greater \ than\ 50\%$

Hence, the correct choice is "i".

For point e:

$\to P(X > z) = 0.1\\\\\to 1 - P(X < z) = 0.1\\\\\to P(\frac{x-\mu }{\sigma }) = 0.9\\\\\to \frac{x-359}{33 } = 1.28\\\\ \to x = 401.24\\\\$

5 0

3 years ago

A gardener has 27 pansies and 36 daisies. he plants an equal number of each type of flower in each row. what is the greatest pos

VikaD [51]

I just did this is our math book at school, but what you do is find the GCF of the numbers. So list all there factors. 27=1x27, 3x9, and that's it. 36=1x36, 2x18, 3x12, 4x9, and that's it. So, next you see that highest numbers they both have in common, in this case it is 9. So your answer is, 9 pansies.

7 0

3 years ago

0.6=x/5 what is the answer please

stealth61 [152]

Answer: 3

Step-by-step explanation:

reverse the problem

0.6=x/5

0.6 times 5 = 3

check your work

3/5=0.6

0.6=0.6

3 0

3 years ago

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