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3 years ago

What is the equivalent to 3/-5

Mathematics

2 answers:

Rainbow [258]3 years ago

5 0

Answer:

6/-10 or 9/-15 or 12/-20 or 15/-25

ivolga24 [154]3 years ago

3 0

Answer: The answer would be 0.6

Step-by-step explanation:

The equivalent form of 3/5 is 0.6, decimal form. The reason for this is because five goes into three only 0.6 times, so you divide the denominator by the numerator to get the equivalent, or decimal, form.

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What are the real zeroes of x3 + 6 x2 – 9x - 54?

o-na [289]

Answer:

Option B 3,-3,-6 is correct.

Step-by-step explanation:

We need to find real zeroes of $x^3+6x^2-9x-54$

Solving

$x^3+6x^2-9x-54\\=(x^3+6x^2)+(-9x-54)$

Taking x^2 common from first 2 terms and -9 from last two terms we get

$=(x^3+6x^2)+(-9x-54)\\=x^2(x+6)-9(x+6)\\$

Taking (x+6) common

$(x+6)(x^2-9)\\$

x^2-9 can be solved using formula a^2-b^2 = (a+b)(a-b)

$=(x+6)((x)^2-(3)^2)\\=(x+6)(x+3)(x-3)$

Putting it equal to zero,

$(x+6)(x+3)(x-3) =0\\x+6 =0, x+3=0\,\, and\,\, x-3=0\\x=-6, x=-3\,\, and\,\, x=3$

So, Option B 3,-3,-6 is correct.

7 0

3 years ago

What is the answer to 8.(x.4)

RSB [31]

Answer:

32x

Step-by-step explanation:

3 0

3 years ago

A customer buys $12.42 in merchandise and gives the cashier a $10 bill a five dollar bill a dime a nickel and two pennies what i

Oduvanchick [21]

Her change would be $3.38:)

3 0

3 years ago

Read 2 more answers

Will mark brainliest. Include explanation.

mihalych1998 [28]

Answer:

D. 4x + 32; E. 4(x + 8)

Step-by-step explanation:

The correct answer is none. This problem is incorrect. The perimeter of a polygon is the sum of the lengths of all the sides. A perimeter is a length, not an area. A perimeter is expressed in feet, not square feet.

Ignoring the "square feet" part, once again, the perimeter is the sum of the lengths of all sides. Since this is a square, all sides have the same length, and there are 4 sides.

perimeter = 4s

perimeter = 4(x + 8) = 4x + 32

5 0

3 years ago

If there are 41 people in a biology class and 28 girls,what is the probability that a person chosen at random will be a boy?Plea

Hoochie [10]

Answer:

13/41

Step-by-step explanation:

theres 13 boys out of 41 people in total so yeah

3 0

3 years ago