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2 years ago

Simplify Negative 3 over 2 divided by 9 over 6.

Mathematics

2 answers:

Montano1993 [528]2 years ago

5 0

Answer:

-2

Step-by-step explanation:

iVinArrow [24]2 years ago

3 0

Answer:

-1

Step-by-step explanation:

So in this case your dividing -3/2 by 9/6

So a strategy I learned was KCF aka. keep change and flip.

Therefore, in this case you keep -3/2

You change the dividing sign into multiply and then you flip 9/6 which makes 6/9.

These leaves us with -3/2 x 6/9

After multiplying, you'll probably get -18/18.

Which leaves us with -1 since if you divide a positive by a negative or a negative by a positive it'll give you a negative number.

Hopefully this helped! :)

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andrew11 [14]

Trip for 7)7 9/4 7 is 7

8 0

2 years ago

Someone told me the answer was 39?? Is this true? Why ? please help.

Ira Lisetskai [31]

The problem has the equation:

f(x) = (3) ^ (x/2)

In order to get the average increase in the number of flowers being pollinated from day 4 to day 10, then we need to use the equation substituting x with 4 to 10

f(4) = 9
f(5) = 12.59
f(6) = 27
f(7) = 46.77
f(8) = 81
f(9) = 140.30
f(10) = 243

Then add all the values and divide it by 7
= 559.66 / 7
= 79.95

So the correct answer is 79.95

8 0

2 years ago

During a 20% off sale, the sale price of a bluetooth radio was $33.96. What was the regular price?

SVETLANKA909090 [29]

20% of the regular price was off.

So 80% of the regular price stayed on.

$33.96 was that 80% of the regular price.

(0.8) · (regular price) = $33.96

Divide both sides by (0.8).

Regular price = ($33.96) / (0.8)

<em>Regular price = $42.45</em>

5 0

2 years ago

Can somone pls help me with this I have a C- in math and I really need help also a like show work on each one plsss

Lady bird [3.3K]

Answer:

1. $\frac{3}{8}$

2. $\frac{1}{4}$

3a. $-\frac{1}{4}$

3b. 3

3c. $-\frac{4}{5}$

4. $m = \frac{y_1 - y_2}{x_1-x_2}\\$

Step-by-step explanation:

Rises 6 inches for every horizontal change of 16 inches

Slope = rise/run

Slope = 6/16

Slope = 3/8

Rises 3 feet for every horizontal change of 12 feet

Slope = rise/run

Slope = 3/12

Slope = 1/4

3a.

$m = \frac{y_1 - y_2}{x_1-x_2}$

$m = \frac{3-2}{-2-2}$

$m = \frac{1}{-4}$

$m = -\frac{1}{4}$

3b.

$m = \frac{y_1 - y_2}{x_1-x_2}\\$

$m = \frac{-1 - 2}{-1-0}$

$m = \frac{-3}{-1}$

$m = 3$

3c.

$m = \frac{y_1 - y_2}{x_1-x_2}\\$

$m = \frac{1 - (-3)}{-1-4}\\$

$m = \frac{4}{-5}\\$

$m = -\frac{4}{5}$

$m = \frac{y_1 - y_2}{x_1-x_2}\\$

7 0

2 years ago

A(x) = 2 (3x - 2)(x - 5)

PSYCHO15rus [73]

Answer:

Quadratic polynomial can be factored using the transformation ax

+bx+c=a(x−x

)(x−x

), where x

and x

are the solutions of the quadratic equation ax

+bx+c=0.

−x

−3x+5=0

All equations of the form ax

+bx+c=0 can be solved using the quadratic formula:

−b±

−4ac

. The quadratic formula gives two solutions, one when ± is addition and one when it is subtraction.

2(−1)

−(−3)±

(−3)

−4(−1)×5

Square −3.

2(−1)

−(−3)±

9−4(−1)×5

Multiply −4 times −1.

2(−1)

−(−3)±

9+4×5

Multiply 4 times 5.

2(−1)

−(−3)±

9+20

Add 9 to 20.

2(−1)

−(−3)±

The opposite of −3 is 3.

2(−1)

3±

Multiply 2 times −1.

−2

3±

Now solve the equation x=

−2

3±

when ± is plus. Add 3 to

−2

Divide 3+

by −2.

−

−3

Now solve the equation x=

−2

3±

when ± is minus. Subtract

from 3.

−2

3−

Divide 3−

by −2.

−3

Factor the original expression using ax

+bx+c=a(x−x

)(x−x

). Substitute

−3−

for x

and

−3+

for x

−x

−3x+5=−(x−

−

−3

)(x−

−3

)

EVALUATE

5−3x−x

2Quadratic polynomial can be factored using the transformation ax

+bx+c=a(x−x

)(x−x

), where x

and x

are the solutions of the quadratic equation ax

+bx+c=0.

−x

−3x+5=0

All equations of the form ax

+bx+c=0 can be solved using the quadratic formula:

−b±

−4ac

. The quadratic formula gives two solutions, one when ± is addition and one when it is subtraction.

2(−1)

−(−3)±

(−3)

−4(−1)×5

Square −3.

2(−1)

−(−3)±

9−4(−1)×5

Multiply −4 times −1.

2(−1)

−(−3)±

9+4×5

Multiply 4 times 5.

2(−1)

−(−3)±

9+20

Add 9 to 20.

2(−1)

−(−3)±

The opposite of −3 is 3.

2(−1)

3±

Multiply 2 times −1.

−2

3±

Now solve the equation x=

−2

3±

when ± is plus. Add 3 to

−2

Divide 3+

by −2.

−

−3

Now solve the equation x=

−2

3±

when ± is minus. Subtract

from 3.

−2

3−

Divide 3−

by −2.

−3

Factor the original expression using ax

+bx+c=a(x−x

)(x−x

). Substitute

−3−

for x

and

−3+

for x

−x

−3x+5=−(x−

−

−3

)(x−

−3

)

EVALUATE

5−3x−x

Step-by-step explanation:

7 0

2 years ago