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mel-nik [20]
3 years ago
10

Please help! Simplify the polonomial!​

Mathematics
2 answers:
vichka [17]3 years ago
7 0
D (: 2x3 + 8x2 +3x +12
Phantasy [73]3 years ago
3 0

Answer:

Step-by-step explanation:

(2x^{2}+3)(x+4)

2x^{3}+8x^{2}+3x+12

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2 miles equal how many feet explain your answer
Verdich [7]
2 miles equal 10560 feets since 1 mile equals 5280 feets and you want 2 you just add 5280 + 5280 = 10560 feets
6 0
3 years ago
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two years ago a woman was 7 times old as her daughter, but in 3 years time she would be 4 times old as the girl. how old are the
bonufazy [111]

Let present age of women be x.

Then,Present age of her daughter be y.

According to the question,

<u>Two years ago,</u>

Woman age = x - 2

Her daughter age = y - 2

Woman was 7 times old as her daughter. [ Given ]

x - 2 = 7 ( y - 2 )

=> x - 2 = 7y - 14

=> x - 2 + 14 = 7y

=> x + 12 = 7y ....( i )

<u>A</u><u>f</u><u>t</u><u>e</u><u>r</u><u> </u><u>Three years </u>,

Woman age = x + 3

Her daughter age = y + 3

she would be 4 times old as the girl. [ Given ]

x + 3 = 4 ( y + 3 )

=> x + 3 = 4y + 12

=> x = 4y + 12 - 3

=> x = 4y + 9....( ii (

Now,

★ Putting the value of x = 4y + 9 from equation ( ii ) in equation ( i ),we get

x + 12 = 7y

=> 4y + 9 + 12 = 7y

=> 21 = 7y - 4y

=> 21 = 3y

=> 3y = 21

=> y = 21/3

=> y = 7

And,

x = 4y + 9

★ Putting the value of y in equation ( ii ), we get

x = 4 × 7 + 9

x = 28 + 9

x = 37

Hence, the present age of women is 37 years and her daughter age is 7.

8 0
3 years ago
On a map, two cities are 6 1/2 inches apart. The actual distance between the cities is 104 miles. What is the scale of the map?
zloy xaker [14]
1 1/4in per 20mi I think is your answer

6 0
3 years ago
Plz help me I’ll give brainliest
Digiron [165]

Answer:

5/1

Step-by-step explanation:

3 0
3 years ago
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Please Help!!! Determine the intercepts of the line that corresponds to the following table of values.
Orlov [11]

Answer:

y-intercept is (0,30); x-intercept is (52.5,0).

Step-by-step explanation:

Note that as x increases by 7 from -35 to -28,   y decreases by 4 from 18 to 14.  Thus, the slope of this line is

m = rise / run = -4/7.

Let's find the equation of the line.  Start with the slope-intercept form:

y = mx + b.  Use the slope m = -4/7 and the point (-28, 14) to find b:

14 = -(4/7)(28) + b, or

14 = -16 + b.  Then b = 30, and the equation of the line in slope-intercept form is y = (-4/7)x + 30.  The y-intercept is (0, 30).

Find the x-intercept by setting y=0 and solving the resulting equation for x:

y = (-4/7)x + 30 becomes (4/7)x = 30, and x = (7/4)(30) = 214, or 52.5.

The x-intercept is thus (52.5, 0).

6 0
3 years ago
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