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3 years ago

Plz answer its 5th grade math

Mathematics

1 answer:

MAVERICK [17]3 years ago

6 0

Answer:

the answer is c I think for that problem

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Security A rounds every 2 minutes and 20 seconds in the gate 1. Security B rounds every 1 minute and 40 seconds in the gate 2. I

Elden [556K]

Answer:

$Time = 11\frac{2}{3}\ min$

Step-by-step explanation:

Given

$Security\ A = 2\ mins, 20\ secs$

$Security\ B = 1\ mins, 40\ secs$

Required

After how many minutes, will they round together

First, convert the given time to minutes

$Security\ A = 2\ mins, 20\ secs$

$Security\ A = 2\ mins+ 20\ secs$

$Security\ A = 2\ mins+ \frac{20}{60}\ min$

$Security\ A = 2\ mins+ \frac{1}{3}\ min$

$Security\ A = 2\frac{1}{3}\ min$

$Security\ B = 1\ mins, 40\ secs$

$Security\ B = 1\ mins+ 40\ secs$

$Security\ B = 1\ mins+ \frac{40}{60}\ min$

$Security\ B = 1\frac{2}{3}\ min$

So, we have:

$Security\ A = 2\frac{1}{3}\ min$

$Security\ B = 1\frac{2}{3}\ min$

List out the multiples of the time of both security personnel take round.

$Security\ A = 2\frac{1}{3}min,\ 4\frac{2}{3}min,\ 7min,\ 9\frac{1}{3}min,\ 11\frac{2}{3}min...$

$Security\ B = 1\frac{2}{3}min,\ 3\frac{1}{3}min,\ 5min,\ 6\frac{2}{3}min,\ 8\frac{1}{3}min,\ 10min\ ,11\frac{2}{3}min,...$

In the above lists, the common time is:

$Time = 11\frac{2}{3}\ min$

<em>This implies that they go on round after </em> $11\frac{2}{3}\ min$ <em></em>

4 0

3 years ago

Please help i wanna move to the next grade,10 points

AfilCa [17]

Answer:

C -1

Step-by-step explanation:

$- 3x + 2 < 5$

$5 - 2 = 3$

$- 3x \div - 3$

$3 \div - 3 = - 1$

$x = - 1$

4 0

3 years ago

What is the answer of this question ?

fgiga [73]

Answer:

the answer is B

Step-by-step explanation:

hoped I helped:)

6 0

2 years ago

There are 18 female students and 16 male students in a class. Which of the following expresses the ratio of female students to m

fiasKO [112]

Hey!

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Solution:

The ratio is FEMALES to MALES.

So its 18/16, 18:16, or 18 to 16.

~Now we need to simplify.

18:16 → 18/2:16/2 → 9:8

*Note* When you have a ratio you need to know which comes first. If you put males to females that incorrect. It has to be correct according to the question.

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Answer:

$\large\boxed{B)~9~to~8}$

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Hope This Helped! Good Luck!

4 0

3 years ago

This is Adele’s solution for the equation.

Mkey [24]

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Answer: She messed up in Step 1

She first should of tried to factor it first. There she can see that 3 and -11 work together in order to get (x+3)(x-11)

x= -3 and x=11

Explanation:

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

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5 0

2 years ago

Read 2 more answers

Plz answer its 5th grade math​

Plz answer its 5th grade math