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3 years ago

Solve: -8 = -7 + x X =

Mathematics

1 answer:

Amanda [17]3 years ago

8 0

Answer:

Your question is not correct.

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How many millimetres are there in 50<br><br>cm

makkiz [27]

Answer:

50cm = 500mm

Step-by-step explanation:

Multiplythe length value by 10

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Derek opened up a savings account that earns 1.25% interest, compounded monthly. If

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3 years ago

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 $\dfrac{20}{5}=4$

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3 years ago

A) Solve and graph the following inequality. -36 < 3p - 6 < -15

Arada [10]

Answer:

IM RETARTED

Step-by-step explanation:

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3 years ago

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|5x-4|>16 solutions

lions [1.4K]

Answer:

x >4 or x < -12/5

Step-by-step explanation:

An absolute value has 2 solutions, a positive and a negative. Remember to flip the inequality for the negative solution

|5x-4|>16

5x-4 > 16 5x-4 < -16

Add 4 to each side

5x-4 +4> 16+4 or 5x-4+4 < -16+4

5x > 20 or 5x < -12

Divide each side by 5

5x/5 > 20/5 or 5x/5 < -12/5

x >4 or x < -12/5

5 0

3 years ago

Solve: -8 = -7 + x X =​

Solve: -8 = -7 + x X =