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3 years ago

Completely factor 9x-3xy

Mathematics

2 answers:

zmey [24]3 years ago

7 0

The Answer is: 3x(3-y)

OleMash [197]3 years ago

4 0

9x-3xy

Factor out 3x from both terms.

3x(3-y)

answer: 3x(3-y)

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Find the amount to be paid at the end of 3years in each case. a) principal =1,200 at12% p.a

Viktor [21]

Answer:

$1632

Step-by-step explanation:

Given data

Principal= $1200

Rate= 12%

Time= 3 years

The simple interest expression is given as

A= P(1+rt)

substitute

A=1200(1+0.12*3)

A=1200(1+0.36)

A=1200*1.36

A=$1632

Hence the amount is $1632

4 0

3 years ago

PLZ HELP!! WILL MARK BRANLYIST!!! 30 POINTS!!

V125BC [204]

Answer:

The distance between the light and the actor's face is 29.24 ft

Step-by-step explanation:

In the attached photo, you can see where the hypotenuse, the opposite side, and and adjacent side are located from the given angle measurement which is 70°. Our known side length is 10 ft which is our adjacent side and our variable is the hypotenuse. So, we will use <u>cos</u>.

$Cos=\frac{adjacent}{hypotenuse}$

Let's plug in our numbers and variable.

$(Cos)70=\frac{10}{x}$

Since our hypotenuse is a variable, we are going to flip the equation so we can find the value of the hypotenuse which is also our variable.

$x=\frac{10}{(cos)70}$

Divide 10 by (cos)70.

So, the hypotenuse is 29.24 feet which shows the distance between the light and the actor's face.

8 0

3 years ago

Given f(x)=5x+4, solve for x when f (x) = -6

Bingel [31]

So x=-2 after ndjsbdbbegshwoehev

4 0

2 years ago

A scientist planted seeds in 4 sections of soil for experiment. Not alll of the seeds grew into the plant .after 20 days, the sc

Karolina [17]

What is the question? no question has been asked. need more info to solve.

3 0

3 years ago

Reasoning Graph the set of ordered pairs (0, 2). (1.4), (2,6). (3.8). Determine whether the relationship is a linear function Ex

polet [3.4K]

Answer:

No, it does not. See below.

Step-by-step explanation:

Lets find out the linear equation that passes trough (-2, 0) and (0, -6).

We know every linear equation has the form: y = mx + b

Where m is the slope on the curve and b the independent term.

We know that, given 2 points (x1,y1) and (x2,y2) we can find the slope m as:

m = (y2-y1)/(x2-x1)

In our case lets replace (x1,y1) and (x2,y2) by (-2, 0) and (0, -6) (notice it could be done in the inverse sense where (-2, 0) is (x2,y2) and (0, -6) is (x1,y1) ). So, our slope is:

m = [-6 - 0] / [0 - (-2)]

m = -6/2 = -3

So, we have a downward linear function with slope -3, this is:

y = -3x + b

Now, for finding b just replace any of the 2 points given in the equation. Lets replace (-2, 0):

0 = -3(-2) + b

0 = 6 + b

Subtracting 6 in both sides:

-6 = b

So, our independent term is -6 and the function is:

y = -3x - 6

Now lets see if this linear eqution passes trough (2,6). If it does, we can replace the values on the equation. Replacing x by 2:

y = -3(2) - 6 = = -6 - 6 = - 12

So, in our equation, we x is 2 y is -12, and not 6 as in the point (2,6). So, our equation does not passes trough (2,6)

5 0

2 years ago