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3 years ago

Help GIVING BRAINLISTTTT

Mathematics

2 answers:

Helga [31]3 years ago

6 0

Answer:

12*3=36

Step-by-step explanation:

Lunna [17]3 years ago

5 0

Answer:

12 x 3 = 36

Step-by-step explanation:

This is a Multiplication problem Because the Factory can produce 12 shoelaces in 3 minutes so take 12 and multiply it by 3 and your answer is 36. So the factory made 36 shoelaces in that time.

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Last time, one out of every 4 students in our class was absent. This time, after Jen came back, only one out of every 5 students

VMariaS [17]

Answer: There are 20 students and 4 students are not here today.

Step-by-step explanation:

If the number of students = 4

Let the number of students be 'x'.

Fraction of students absent = $\dfrac{x}{4}$

If the number of students = 5

Fraction of students absent = $\dfrac{x}{5}$

And Jen came back,

So, the fraction of student absent is also written as

$\dfrac{x}{4}-1$

According to question, it becomes,

$\dfrac{x}{5}=\dfrac{x}{4}-1\\\\\dfrac{x}{5}=\dfrac{x-4}{4}\\\\4x=5(x-4)\\\\4x=5x-20\\\\4x-5x=-20\\\\-x=-20\\\\x=20$

Hence, there are 20 students in our school.

And number of students are not here today is $\dfrac{20}{5}=4$

3 0

3 years ago

Solve for x. Write both solutions, separated<br> by a comma.<br> 5x2 + 2x - 7 = 0

Sidana [21]

Answer:

uga buga

Step-by-step explanation:

dont know

7 0

3 years ago

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Which expression is equivalent to

Schach [20]

Answer:

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Step-by-step explanation:

6 0

3 years ago

Solve for x. Round to the nearest tenth of a degree, if necessary. Answer:x =

podryga [215]

Answer:

x = 61.6 degree

Step-by-step explanation:

take x degree as reference angle

using sin rule

sin x = opposite / hypotenuse

sin x = 4.8 / 5.4

sin x = 0.88

x = $sin^{-1} (0.88)$

x = 61.64

x = 61.6 degree

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3 years ago

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jekas [21]

Answer:

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Step-by-step explanation:

4 0

3 years ago

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