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3 years ago

Write 19/20 as a percentage.

Mathematics

1 answer:

PIT_PIT [208]3 years ago

4 0

Answer:

95%

Step-by-step explanation:

$\frac{19}{20}$ x 5 = $\frac{95}{100}$

$\frac{95}{100}$ = 0.95

0.95 = 95%

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To solve for m in the formula D=m/v, use the multiplication property of equality.

Ronch [10]

Answer:

true

Step-by-step explanation:

well youll have to multiply both sides by v to get m alone. and youre left with DxV=M

4 0

4 years ago

Expand the following 3(x+9)

mina [271]

Answer: I'm pretty sure its 3x+27

Step-by-step explanation: So all you have to do is multiply everything in the parentheses by 3. So you would do 3 times x and it would be 3x and then 3 times 9 which will get you 27. After you just put it back into a equation 3x+27

5 0

3 years ago

Can someone show me the steps to this equation.

Crank

So z-4 2/3=2 2/3
so 4 2/3=12/3+2/3=14/3
2 2/3=6/3+2/3=8/3
z-14/3=8/3
multiply both sides by 3
3z-14=8
add 14 to both sides
3z=22
divide both sides by 3
z=22/3=7 1/3

6 0

3 years ago

Read 2 more answers

The 12th term of the arithmetic sequence is 10.5. The 18th term of this sequence is 13.5. Find the common difference and the fir

xxMikexx [17]

Answer:

common difference is 0.5

first term is 5

Step-by-step explanation:

use the formula for the nth term of an ap Tn=a+(n-1)d

T12=10.5

T18=13.5

therefore come up with two equations

T12=a+(12-1)d

10.5=a+11d(1st equation)

T18=a+(18-1)d

13.5=a+17d(2nd equation)

then solve both as a simultaneous equation

a+11d=10.5

a+17d=13.5

-6d/-6=-3/-6

d=0.5

use one of the equations to find the first term

a+11(0.5)=10.5

a+5.5=10.5

a=10.5-5.5

a=5

I hope this helps

please mark as brainliest

7 0

3 years ago

15 points to whoever can answer this question!!!!

Amanda [17]

I just answered this question(s). mean is average. So you just add all the numbers up per country and divide by how many numbers there are. I hope you know how to graph otherwise look it up on kan academy and the country with the lowest number for height is the gold medalist. And the top three fastest go as gold, silver and bronze<<<<in this specific order.

3 0

3 years ago