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3 years ago

11

How do you put 27% ,miles per hour , 42% and 45 in a sentence

1 answer:

Serjik [45]3 years ago

7 0

There are a number of possible combinations for this open-ended question, so here's an example question and answer, in which the two are non-related:
James' car is going at 45 miles per hour, and that is 42% of his maximum speed. How much slower does James have to go to be 27% of his maximum speed?
Amy's car used to be able to go at 45 miles per hour as 42% of her maximum speed, but due to the new upgrade, 45 miles per hour is now only 27% of her maximum speed.

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Charlotte reads 8 1/3 pages of a book in 10 mins. What is her average reading rate in pages per min.

oksian1 [2.3K]

25/3 divided by 10= 5/3 pages per minute

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3 years ago

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Write a x (-a)x 13 x a x (-a) x 13 in power notation

miss Akunina [59]

Answer:

$a\times (-a)\times 13\times a\times (-a)\times 13$ can be written in power notation as $a^{4}\times 13^{2}$

Step-by-step explanation:

The given expression

$a\times (-a)\times 13\times a\times (-a)\times 13$

Writing a\times (-a)\times 13\times a\times (-a)\times 13 in power notation:

Let

$a\times (-a)\times 13\times a\times (-a)\times 13$

= $[13\times13][(a\times (-a)\times a\times (-a)]$

As

$13\times13 = 13^{2}$ , $a\times a = a^{2}$ , $(-a)\times (-a) = (-a)^{2}$

So,

$=[13^{2}][a^2\times (-a)^2]$

As

$(-a)^2 = a^{2}$

So,

$=[13^{2}][a^2\times a^2]$

As ∵ $a^{m} \times a^{n}=a^{m+n}$

$=[13^{2}][a^{2+2}]$

As ∵ $a^{m} \times a^{n}=a^{m+n}$

$=13^{2}\times a^{4}$

$=a^{4}\times 13^{2}$

Therefore, $a\times (-a)\times 13\times a\times (-a)\times 13$ can be written in power notation as $a^{4}\times 13^{2}$

<em>Keywords: power notation</em>

<em>Learn more about power notation from brainly.com/question/2147364</em>

<em>#learnwithBrainly</em>

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3 years ago

Select the postulate that is illustrated for the real numbers 5+(-5)=0

ozzi

In this question , we have to find the postulate that is illustrated for the real numbers

$5+(-5) = 0$

The postulate is Additive inverse postulate which states that

$a+ (-a) =0$

Where a is the real number and -a is the opposite of a. It states that , if opposite of a number is added with the number, the result is 0 .

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Can someone help me? I’ll reward points + brainalist

posledela

Step-by-step explanation:

THE ANSWER IS C. 31 INCHES

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2 years ago

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Why is 1 + (−5) equal to −4? (1 point)

Dafna11 [192]

I'm pretty sure it's D

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