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2 years ago

Dind the elapsed time the hours and minuts

Mathematics

1 answer:

olganol [36]2 years ago

6 0

Answer:

pretty sure the answer is 5 hours and 30 minutes

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Reasoning triangle $abc$ has a perimeter of $12$ units. the vertices of the triangle are $a(x,\ 2),\ b(2,-2)$ , and $c(-1,\ 2)$

OlgaM077 [116]

hmmm let's find the distance between B and C first off.

$~~~~~~~~~~~~\textit{distance between 2 points} \\\\ B(\stackrel{x_1}{2}~,~\stackrel{y_1}{-2})\qquad C(\stackrel{x_2}{-1}~,~\stackrel{y_2}{2})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ BC=\sqrt{(~~-1 - 2~~)^2 + (~~2 - (-2)~~)^2} \implies BC=\sqrt{(-1 -2)^2 + (2 +2)^2} \\\\\\ BC=\sqrt{( -3 )^2 + ( 4 )^2} \implies BC=\sqrt{ 9 + 16 } \implies BC=\sqrt{ 25 }\implies BC=5$

hmmm if BC is that much, then AB + AC = 7, since AB + AC + BC = 12 which is the perimeter, Check the picture below.

6 0

11 months ago

keiko had 6 more red tiles than yellow tiles she gave half of her yellow tiles to ramon. if ramon has 7 yelliw tiles how many ti

kondor19780726 [428]

It would be 6.5 excuse if it was 14 it would be 7 but the other half would be 6.5

6 0

2 years ago

Over a three-week period, Abram spent 15

denis23 [38]

Answer:

20 hours

Step-by-step explanation:

First off, if we divide the number of hours he has played by the number of weeks 15/3 =

It would be an average of <u>5 hours per week</u>

Therefore, in the next 4 weeks we would practice for 20 more hours.

i hope this helps you<33

have a nice day or night

7 0

2 years ago

The quantity is called the pooled variance estimate of the common variance of two unknown but equal population variances. It is

lozanna [386]

Answer:

sample variances

Step-by-step explanation:

The pooled variance method is used to estimate the variance of several different population with different means, but are assume to have the same variance.

The weights represent the sample variances.

So the correct answer is

sample variances

5 0

2 years ago

Circle O has a circumference of approximately 250n ft.

Murrr4er [49]

Answer:

125ft

Step-by-step explanation:

7 0

2 years ago

Dind the elapsed time the hours and minuts​

Dind the elapsed time the hours and minuts