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3 years ago

Karen used 186 digits to number a book from page 4 to the end. What is the number of the last page?

Mathematics

2 answers:

babunello [35]3 years ago

7 0

Answer:

it's 46.5

Step-by-step explanation:

because divide 186 by 4 and it equals to 46.5

Nat2105 [25]3 years ago

3 0

Answer

Step-by-step explanation:

186 divied by 4 = 46.5

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I, myself self am not too good at Sin, Con, and Tan so I could use some help on double-checking if this is correct??

alex41 [277]

Answer:

$\tan(a) = \frac{28}{45}$

look from the tan A angle , the opposite is 28 and adjacent is 45

4 0

3 years ago

There are 5 exams in a semester. You have scored 77, 90, 85, and 100 on the previous four exams. What must you make on the fifth

siniylev [52]

Answer:

<h2>The correct answer for this question is 78.</h2>

Step-by-step explanation:

The average or mean of any variable or mathematical phenomenon is calculated as the division of the sum of all the numbers or items within the particular variable by the total number of items or numbers within the variable.
In this case, the marks of the 4 exams in the semester are 77,90,85 and 100 respectively.There are total 5 exams in the semester.
Let's suppose that the marks for the 5th exam is x.
Therefore, based on the mathematical formula to compute average or mean,to get an overall average of 86 including all the 5 exams, one has to get:-

$\frac{77+90+85+100+x}{5}=86$

$77+90+85+100+x=430$

$x=430-77-90-85-100$

$x=78$

Hence, based on the above calculations,one has has to get 78 on the 5th exam to obtain an overall average of exactly 86.

5 0

4 years ago

We add the scale factor to each length of an image to get the scaled copy.<br> -True or False?

Anit [1.1K]

Answer:

false

Step-by-step explanation:

A scale drawing is a reduced form in terms of dimensions of an original image / building / object

the scale drawing is usually reduced at a constant dimension

original dimensions / scale of the drawing = dimensions of the scale drawing

To scale an image, divide the original length by the scale

for example the length of the image is 100 and the scale factor is 4

the length of the scale copy = 100/4 = 25

4 0

3 years ago

I need help ASAP I need it by tomorrow

a_sh-v [17]

Answer:

1) 88:100=44:50=22:25 (simplest answer)

2) 12:88=3:22 (simplest answer)

5 0

3 years ago

Help ASAP!!<br><br> i need help finding out the pattern of 3 and 4

melomori [17]

Answer:

See below.

Step-by-step explanation:

For 3, we have:

1, 3, 6, ___, 15, 21, _____, 36, _______

Let's try to determine the pattern. From 1 to 3, we added 2.

From 3 to 6, we added 3.

So, it seems that the fourth term would be to add 4, and then add 5. Let's try it:

6+4=10

10+5=15.

So, it seems we're correct. So, we will add 6, then 7, and then 8, etc. Therefore, our correct sequence would be:

1 (+2), 3 (+3), 6 (+4), 10 (+5), 15 (+6), 21 (+7), 28 (+8), 36 (+9), 45

For 4, we have:

100, _____, 64, ______, 36, 25, _______

Notice that these all are perfect squares. 10 squared is 100, 8 squared is 64, etc. Thus, we can rewrite this as:

10², _____, 8², ______, 6², 5², ______

Therefore, our blanks would be:

10², 9², 8², 7², 6², 5², 4².

Evaluated, this woul be:

100, 81, 64, 49, 36, 25, 16.

And we're done!

7 0

3 years ago

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