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dmitriy555 [2]
3 years ago
6

Type 500 words in 20 minutes _______ words per minute

Mathematics
2 answers:
olga nikolaevna [1]3 years ago
4 0

Answer:

25 words per minute

Step-by-step explanation:

7nadin3 [17]3 years ago
3 0

Answer:

25

Step-by-step explanation:

Divide 500/20

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When 2 fractions refer to the same whole and have the same denominator explain why you can compare only the numerators
Mrrafil [7]
One way ti find the common denominatir is to check ti see if ine denominator is a factor to the other deniminator if it is then the deniminator can be used as the common denominator when the two deniminators are the same compare the numerators
4 0
3 years ago
A ball is thrown from an initial height of 2 meters with an initial upward velocity of 9/ms . The ball's height h (in meters) af
Alecsey [184]

A ball is thrown from an initial height of 2 meters with an initial upward velocity of 9/ms

Balls height h= 2 +9t -5t^2

To find all values of t for which the ball's height is 3 meters

We plug in 3 for h and solve for t

h= 2 +9t -5t^2

3 = 2 +9t -5t^2

Solve for t

0= -1+ 9t -5t^2

5t^2 - 9t + 1 = 0

Solve using quadratic formula

t= \frac{-b+- \sqrt{b^2-4ac} }{2a}

t= \frac{9+- \sqrt{(-9)^2-4*5*1} }{2*5}

After simplifying this,

t= \frac{9+\sqrt{61}}{10} = 0.11898

t= \frac{9-\sqrt{61}}{10} = 1.68102

the values of t for which the ball's height is 3 meters= 0.12 sec , 1.68 sec

5 0
3 years ago
Twice the difference of a number and 9 equals 5.
emmasim [6.3K]

Answer:

7

Step-by-step explanation:

if the number is x then you know 2x-9=5

2x=14

x=7

so the number is 7

8 0
3 years ago
Draw or write to explain why i hundred 4 ten and 14 tens name the same amount
butalik [34]
ten tens are one hundred and then they both have 4 tens or forty
8 0
3 years ago
Read 2 more answers
How do I multiply mixed numbers? For example: 6 4/5 x 8 9/10. I need help I have a quiz on this.​
nordsb [41]

Step-by-step explanation:

First you have to convert each number to improper fractions.

Next you have to multiply denominator to denominator, and fraction to fraction.

Then simplify your final answer to the lowest form possible.

Hope this helps :)

6 0
2 years ago
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