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3 years ago

Whats 15= -15 - 8u equals to?

Mathematics

1 answer:

Nostrana [21]3 years ago

4 0

Method

15 = - 15 - 8u Add 15 to both sides.

15 + 15 = - 15 + 15 - 8u. This step is meant to get rid of -15 on the right side.

30 = -8u Divide both sides by 8

30 / -8 = u

Note

Usually what you are trying to do is reduce an equation so that it tells you what 1 of the letters is. Since there are many things u could be, you have to choose the one that best fits your answer

u = - 3 6/8

u = - 3 3/4

u = - 3.75

u = - 30/8

u = - 15 / 4

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What is x if x/5 =-9

Leona [35]

Answer:

x = -45

Step-by-step explanation:

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Multiply 5 to both sides:

(x/5) * 5 = (-9) * 5

x = -9 * 5

x = -45

x = -45 is your answer.

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3 years ago

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3 years ago

Given the expression below, what are the missing values, respectively?

asambeis [7]

Answer:

Step-by-step explanation:

20=4*5

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3 years ago

Recall that rational numbers are numbers that can be represented as the ratio, or fraction, of two integers. When expressed as d

Alenkasestr [34]

Answer:

1) $\frac{5}{-14}$ =0.3571428571 2) Terminating

Step-by-step explanation:

1st. To answer this question let's divide with long division algorithm 5 and -14.

-14)50

---

-70

100

---

----

-56

---

120

-112

----

100

-98

5 (dividend) : -14 (divisor) $\frac{5}{-14}$

Long division (check below)

With the same two numbers -14 and 5 we can write in a Long Division

5) -14

5) -14

So $\frac{-14}{5}=-2.8$

2nd. Both are terminating ones for they have finite quantities of numbers. -2.8 and 0.3571428571, as we can see that these are rational numbers for they can be written as a/b, and b≠ 0.

$\frac{5}{-14}$ form.

$\frac{-14}{5}$ form.