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3 years ago

PLZ HELP ME PLZ and thank u

Mathematics

1 answer:

nadya68 [22]3 years ago

3 0

It is H, 2,9 because if you connect it with the other points, it will form a trapezoid.

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Find the greatest common factor of 7 and 7.

Flauer [41]

I think it should be 14

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3 years ago

Suppose that y varies inversely with x. Use the information to find k, and then choose the equation of variation. x = 2 when y =

Sergeeva-Olga [200]

Answer:

y = $\frac{22}{x}$

Step-by-step explanation:

given that y varies inversely with x then the equation relating them is

y = $\frac{k}{x}$ ← k is the constant of variation

To find k use the condition x = 2 when y = 11

k = yx = 11 × 2 = 22

y = $\frac{22}{x}$ ← equation of variation

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3 years ago

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SashulF [63]

AA , BB , and CC are parallel to MN.

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2 years ago

If f(x) = 2x – 1 and g(x) = ^ – 2, find [g ◦ f](x).

Viefleur [7K]

Answer:

The value of [g ◦ f](x) = $4x^{2} -4x-1$

Step-by-step explanation:

If f(x) = 2x - 1

g(x) = $x^{2} -2$

we need to find the value of [g ◦ f](x).

which means that g(f(x))

g(f(x)) = $(2x-1)^{2} -2$

g(f(x)) = $4x^{2} -4x+1 -2$

g(f(x)) = $4x^{2} -4x-1$

The value of [g ◦ f](x) = $4x^{2} -4x-1$

6 0

3 years ago

2) Consider the quadratic sequence 72, 100, 120, 132

slava [35]

Answer:

Tn = -4n²+40n+36

Step-by-step explanation:

A general quadratic sequence, Tn = an²+bn+c, where n is the term of the sequence.

So, when n = 1, Tn = 72, which means T1 = a+b+c=72.

when n = 2, Tn = 100, which means T2= 4a+2b+c = 100

when n = 3, Tn = 132, which means T3 = 9a+3b+c = 132.

Now, use a calcaulatot to solve the 3 variable simultaneous equation. According to my calculator, a = -4, b = 40, c = 36.

Hence, you a, b, and c in the Tn equation given above.

Therefore, Tn = -4n²+40n+36

5 0

3 years ago