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3 years ago

F 2. What is the leading coefficient of the polynomial? - 7x2+ 3x -10 re

Mathematics

2 answers:

finlep [7]3 years ago

8 0

The leading coefficient is -7 since it is the first one that is suppose to be represented as it the square

zhenek [66]3 years ago

5 0

Answer:

The leading coefficient is -7

Step-by-step explanation:

The leading coefficient is the number in front of the highest power variable. In this case, the highest variable is x^2 and in front of it is -7. Therefore, the leading coefficient is -7

Answer: The leading coefficient is -7

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If the length of each side of an equilateral triangle were increased by 50 percent, what would be the percent increase in the ar

Shkiper50 [21]

Answer:

The area increase by 225%

Step-by-step explanation:

attachment of a triangle

The area of a triangle equilateral is calculated with the next formula:

A= $\frac{a*h}{2}$

$h^{2} +(\frac{a}{2})^{2}$ = $a^{2}$

$h^{2} = a^{2} - \frac{a^{2} }{4}$ = $\frac{a^{2} }{4}$ *3

h= $\sqrt{\frac{a^{2}*3 }{4} }$

h= $\frac{\sqrt{3}*a }{2}$

replacing in the A equation:

A= $\frac{a*\sqrt{3}*a }{2*2}$ 

A= $\frac{\sqrt{3}*a^{2} }{4}$ 

Now each side increse by 50% ⇒ a=1.5a

A= $\frac{\sqrt{3}*(1.5a)^{2} }{4}$ 

A= $\frac{\sqrt{3}*a^{2}* 2.25 }{4}$ 

A=2.25 * $\frac{\sqrt{3}*a^{2} }{4}$ 

It means that the area incrase by 225%

6 0

3 years ago

Line segment JM has endpoints with coordinates 0 and 25 on a number line. Points K and L are on segment JM. K has a coordinate o

Pepsi [2]

Answer:

D. 216/625

Step-by-step explanation:

The length of the segment JM is 25 units.
The segment JL is between 0 and 12, so is 12 units.
The segment KL is between 5 and 12, so is 7 units.

The probabilities for each point:

P(point on JL) = 12/25
P(point not on KL) = 1 - 7/25 = 18/25

Required probability:

P = 12/25*18/25 = 216/625

Correct choice is D

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3 years ago

Calculate the mean of 7, 3, 5, 6 , 0. Single choice.

skelet666 [1.2K]

Answer:

b.) 4.2

Step-by-step explanation:

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3 years ago

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): 2n + 8

is 42 (literally mean it equals 42): 2n + 8 = 42

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3 years ago

If sinA=1/2than find tan A

Elena L [17]

Step-by-step explanation:

Here's the answer I hope it will help you

8 0

3 years ago

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