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3 years ago

What is ten multiplied by 2

Mathematics

2 answers:

AnnZ [28]3 years ago

7 0

Answer:

Step-by-step explanation:

olchik [2.2K]3 years ago

3 0

Answer:

Step-by-step explanation:

10 times 2 is 20 because you take 10 two times and that equals 20.

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Jenny drives from Paris to Rochefort, a distance of 483 km. her average speed on the journey is 84 km/h, she leaves at 9:50. Wha

Mrrafil [7]

The correct answer is 3: 35

Explanation:

To calculate at what time Jenny will arrive in Rochefort, the first step is to calculate the approximate time of the trip. Now, to calculate this consider the time of a movement (t) equals to the distance (d) divided by the speed (s), the process is shown below:

t = 483 km / 84 km/h

t = 5.75 hours

In this number 5 refers to the hours and 0.75 represents 45 minutes considering 0.75 x 60 minutes in one hour = 45 minutes. Therefore, the total time from Paris to Rochefort is 5 hours and 45 minutes. Now, to calculate the time of arrival add this result to the time of departure.

Add the hours: 5 hours + 9 hours: 14 hours

Add the minutes: 50 minutes + 45 minutes =95 minutes

95 minutes are equivalent to 1 hour (60) minutes and 35 minutes

Calculate the total

Hours: 14 hours + 1 hour = 15 hours or 3 in the 12 hour system (15 hours - 12 hours = 3 p.m.)

Minutes: 35 minutes

4 0

3 years ago

There were 900 students enrolled in a high school in 2009 and 1,500 students enrolled in the same high school in 2012. The stude

Volgvan

Answer:

(A)

$(t_0,P_0)=(0,900)$

$(t_1,P_1)=(3,1500)$

(B)

$m=200$

(C)

$P=200t+900$

(D)

The high school's enrollment in 2017 is 2500

Step-by-step explanation:

Let's assume time starts since 2009

so, In 2009 , t=0

P=900

In 2012,

t=2012-2009=3

P=1500

(A)

So, we have points as

$(t_0,P_0)=(0,900)$

$(t_1,P_1)=(3,1500)$

(B)

we can use slope formula

$m=\frac{P_2-P_2}{t_2-t_1}$

we can plug values

$m=\frac{1500-900}{3-0}$

$m=200$

we know that

slope is rate of change of P with respect to time

so, slope means increase in population is 200 per year

(C)

we can use point slope form of line

$y-y_1=m(x-x_1)$

$m=200$

$(t_0,P_0)=(0,900)$

$P-900=200(t-0)$

$P=200t+900$

(D)

In 2017 ,

t=2017-2009=8

we can plug t=8

and we get

$P=200(8)+900$

$P=2500$

The high school's enrollment in 2017 is 2500

4 0

3 years ago

A/-6 + 8 = 12. a = Please help!!! Thanks so much! ~kweenie~

irina [24]

Answer:

a = -24

Step-by-step explanation:

-a/6 +8 = 12

Subtract 8 from each side

-a/6 +8-8 = 12 -8

-a/6 = 4

Multiply by -6 on each side

-a/6 * -6 = 4*-6

a = -24

8 0

2 years ago

10[4 times 10 divided by (6^2-4^2) +1]

Genrish500 [490]

Answer:

Step-by-step explanation:

10[4 times 10 divided by (6^2-4^2) +1]

First you would multiply 6 x 6 = 36

10[4 times 10 divided by (36-4^2) +1]

Second you would multiply 4 x 4 = 16

10[4 times 10 divided by (36-16) +1]

Third you would subtract 36 - 16 = 20

10[4 times 10 divided by 20 +1]

Fourth you would add 20 + 1 = 21

10[4 times 10 divided by 21]

Fifth you would multiply 4 x 10 = 40

10[40 divided by 21]

Sixth you would divide 40 divided by 21 = 1.90

10[1.90]

Seventh you would multiply 10 x 1.90 = 19

Your answer would be 19.

Hope this helps. I am sorry if you get this wrong.

8 0

3 years ago

Need this done in 5 minutes

Lisa [10]

Step-by-step explanation:

40, 58, 58, 72, 74, 74, 76, 81, 83, 84, 92

1 2 3 4 5 6 5 4 3 2 1

1) A. 74

2) B. 40

3) A. 92

4) A. 58

Brainlist pls!

6 0

2 years ago