3 years ago

Can someone please help me

Mathematics

1 answer:

nlexa [21]3 years ago

7 0

Answer:

no no no no no no no no no non no

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A line passes through the points (-2,-4) and (3, 5). Which equation best represents a line

myrzilka [38]

Parallel means they have same gradient.

m=(y2-y1)/(x2-x1)
m=(5-(-4))/(3-(-2))
m=9/5

so the answer is B since the gradient also 9/5

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3 years ago

Parallelogram ABCD has area 144, with AB = 16 and BC = 12. Find the length of segment DX.

liberstina [14]

Answer:

Step-by-step explanation:

The area of a parallelogram is equal to its base times its height. Segment DX is a height relative to the base BC, so (area of ABCD) = BC times DX,

144 = 12 times DX.

So, DX is 12. :)

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3 years ago

F(x)=9xcubed+2xsecond power-x+4 and g(x)=5xcubed-7x+4. What is f(x)-g(x)?

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$f(x) - g(x) = 9 {x}^{3} + 2 {x}^{2} - x + 4 - 5 {x}^{3} - 7x + 4 \\ = 4 {x}^{3} + 2 {x}^{2} - 8x + 8$

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3 years ago

I need help, I don't know how to do it.

Sindrei [870]

Answer:

Step-by-step explanation:

to solve this problem we can use the Pythagorean theorem

UT and TL are the legs, while LU is the hypotenuse

We have to find LU so we can proceed like this

x^2 + (x+1)^2 = LU^2

x^2 + x^2 + 1 + 2x = LU^2

2x^2 + 2x + 1 = LU^2

LU = +/- $\sqrt{2x^2+2x+1$

we have to take only the positive value because a length can’t be negative.

2x^2 + 2x + 1 is positive for every value of x, so the final answer is

$\sqrt{2x^2+2x+1}$

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3 years ago

8. What is m<1 77 1 56 A 103° | C 133° C ° D 124° B 47°

saveliy_v [14]

Answer:

Option C

Step-by-step explanation:

Exteriore angle property: Exterior angle equals the sum of opposite interior angles.

∠I = 77° + 56°

= 133°

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3 years ago