3 years ago

Need help with thiss guys!!!

Mathematics

1 answer:

navik [9.2K]3 years ago

6 0

I would choose D for that question

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A student is reading a book at 350 word per minute convert this to word per hour

Papessa [141]

Answer:

21000 wph (words per hour)

Step-by-step explanation:

To find the words per hour, multiply the wpm (words per minute), which is 350 by 60 because there are 60 minuets in an hour.

350 * 60 = 21000

4 0

4 years ago

AC and DB are chords that intersect at point H.

valentinak56 [21]

Answer:

16 units

Step-by-step explanation:

see the attached figure to better understand the problem

Applying the Intersecting Chords Theorem

we have that

$AH*HC=DH*HB$

substitute the given values

$(20-x)(x)=(x+4)(12-x)$

$20x-x^2=12x-x^2+48-4x$

Simplify

$20x=8x+48$

$20x-8x=48$

$12x=48$

$x=4$

Find out the length of segment DB

$DB=DH+HB$

$DB=(x+4)+(12-x)=16\ units$

<em>Note</em> In this problem it was not necessary to determine the value of x to calculate the DB segment.

Anyway, the calculation was done for didactic purposes.

7 0

3 years ago

Read 2 more answers

prove that the sum of two consecutive exponents of the number 5 is divisible by 30. If N ia the smaller of two consecutive expon

kotykmax [81]

Answer:

5^n-1

Step-by-step explanation:

5^n-1*30

3 0

3 years ago

I know how to convert degrees into degrees-minutes-seconds. I was just wondering about the negative and 0°. The original degree

ratelena [41]

I think the answer will be like
0degree 55minutes 21seconds
That in the negative side

7 0

3 years ago

If the number of different activities is represented by four consecutive odd integers, what is the algebraic expression that rep

dexar [7]

=4x+12
Apply the distributive property
Arrange like terms
Simplify

6 0

3 years ago