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malfutka [58]
3 years ago
14

Help me solve this problem please num 25

Mathematics
1 answer:
vfiekz [6]3 years ago
5 0

Answer:

18x^3y

Step-by-step explanation:

The area of a trapezium is \frac{a+b}{2}h (where a,b are the parallel sides and h is the perpendicular height)

Area of trapezoid = \frac{4xy+8xy}{2}3x^2

=6xy(3x^2)

=18x^3y

∴ The area of the trapezoid is 18x^3y

Hope this helps :)

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Express ratio 3.5:14 as 1:n
Luba_88 [7]

Answer:

1 : 4

Step-by-step explanation:

3.5 : 14 ( divide both parts by 3.5 )

= 1 : 4

3 0
1 year ago
What the improper fraction of 9 1/3
kherson [118]

Answer:

The improper fraction of 9 1/3 is 28/3

3 0
2 years ago
Read 2 more answers
The sum of eight and twice a number is 42
saveliy_v [14]

Answer:

8 + 2n = 42

Step-by-step explanation:

the sum of eight:   ___+ 8

and twice(2) a number(could be any variable but for now i choose n):   <u>2n</u> + 8

is 42 (literally mean it equals 42):    <u>2n</u> + 8 = 42

4 0
2 years ago
WILL MARK BRAINLIEST!!!PLZ HELP!!!
Andrei [34K]

Answer:

Step-by-step explanation:

Hello,

<em>"Ray says the third-degree polynomial has four intercepts. Kelsey argues the function can have as many as three zeros only."</em>

We know that Kelsey is right, a polynomial of degree 3 has maximum 3 zeroes, so it means that the graph of this polynomial has maximum 3 x-intercepts.

<u>So how Ray can be right too?</u>

we need to think of y-intercept, if we add the y-intercept then Ray can be right too,

as you can see in one example below

there are 3 x-intercepts and 1 y-intercept.

This being said, Ray is not always right. For instance x^3

has only 1 zero (multiplicity 3) its graph has only 1 intercept in the point (0,0)

hope this helps

6 0
3 years ago
Help Help Help me out with this, please
mezya [45]

the volume of cuboid is given by length*breadth*height

the volume of above cuboid is 6*12*125=864cubic in.

volume of below cuboid is 18*10*8=1440 cubic in.

totoal volume = 1440+864l=2304 cubic in.

4 0
3 years ago
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