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3 years ago

11

PLEASE HELP! I'LL MAKE WHOEVER HELPS BRAINLIEST!! Which property is this an example of: 6 x 7 = 7 x 6

1 answer:

azamat3 years ago

6 0

I’m 99% sure it’s communicative property of multiplication

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Write the integer's that represent the situation 70 degrees above zero=?

guapka [62]

+70 degrees above zero. That's the way I would write it. If it is in a sentence, it would be something like "Today's temperature was 70 degrees above zero. Terribly hot!! like a sauna." I'm thinking Centigrade when I make this statement. I don't think there's a place on earth that's ever recorded that temperature.

But you want an integer. So it is 70

3 0

3 years ago

Pilar colored in a decimal grid to multiply to decimals. What product is represented by the model?

AlladinOne [14]

Answer: 0.3 x 0.7 = 0.21

Step-by-step explanation: tell me if im wrong

7 0

3 years ago

Answers to questions A and B

Sladkaya [172]

Answer:

1.16

2.344

Step-by-step explanation:

A. Arc BC is apart of the diameter. The major arc measures 164 so

$164 + x = 180$

$x = 16$

Arc BC=16

B. Arc BAC means we find the measures BA then find the measures of arc AC and add them.

Measures of BA is 180.

Measures of AC is 164.

$180 + 164 = 344$

6 0

3 years ago

A test consists of 100 multiple choice questions, each with five possible answers, only one of which is correct. Find the mean a

TEA [102]

Answer: Mean = 20 and standard deviation = 4

Step-by-step explanation:

Let x represents the success of getting the correct answer.

Here, the total number of trials(n) = 100

The probability of getting the correct answer, p = 1/5

Thus, the mean of the number of correct answer,

$\mu_x= np$

$\mu_x= 100\times 1/5$

$\mu_x= 20$

Now, the standard deviation, $\sigma_x= \sqrt{n\times p\times (1-p)}$

$\sigma_x= \sqrt{100\times 1/5\times 4/5}$

$\sigma_x= \sqrt{16}$

$\sigma_x= 4$

Thus, First option is correct.

6 0

4 years ago

How would you write 12 ^-3 using a positive exponent

morpeh [17]

Answer:

1/12³

Step-by-step explanation:

Negative power in the numerator becomes positive in the denominator

1/12³

5 0

3 years ago