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Vinvika [58]
3 years ago
6

Heyy! i’ll give brainliest please help

Mathematics
1 answer:
Elis [28]3 years ago
7 0

Answer:

C

FILLER FILLER FILLER FILLER

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What is the product of 2p + q and –3q – 6p + 1?
Umnica [9.8K]
-12p^2 - 12pq + 2p -3q^2 + q
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3 years ago
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Please help! Will give brainliest!<br> Don't give a like.
den301095 [7]

9514 1404 393

Answer:

  • fraction
  • denominator
  • product
  • numerator

Step-by-step explanation:

When you multiply a <u>fraction</u> by a whole number, the denominator in the product is the same as the <u>denominator</u> of the fraction. The numerator in the product is the <u>product</u> of the whole number and the <u>numerator</u> of the fraction.

__

That's the rule. It is derived from the fact that multiplication indicates repeated addition.

  \dfrac{2}{7}\times3=\dfrac{2}{7}+\dfrac{2}{7}+\dfrac{2}{7}=\dfrac{2+2+2}{7}=\dfrac{2\times3}{7}\qquad\text{for example}

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3 years ago
The graph shows the relationship between the number of cars horns Sally heard and the amount of time that has passed since midni
MariettaO [177]
She heard 22 car horns in 11 hours.
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3 years ago
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​claim: the mean pulse rate​ (in beats per​ minute) of adult males is equal to 69 bpm. for a random sample of 140 adult​ males,
zaharov [31]

Answer:

93.19%

Step-by-step explanation:

We have that the mean (m) is equal to 70.4, the standard deviation (sd) 11.1 and the sample size (n) = 140

They ask us for P (x =69)

For this, the first thing is to calculate z, which is given by the following equation:

z = (x - m) / (sd / (n ^ 1/2))

We have all these values, replacing we have:

z = (69 - 70.4) / (11.1 / (140 ^ (1/2)))

z = 1.49

With the normal distribution table (attached), we have that at that value, the probability is:

P (z <1.49) = 0.9319

The probability is 93.19%

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3 years ago
Which operation should be done first?
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If square roots includes exponents then that one is first. but if not then it is division.
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