2 years ago

PLEASE ANSWER I NEED TO FINISH THESE TWO QUESTIONS, thank you

Mathematics

1 answer:

Serggg [28]2 years ago

6 0

Answer:

Look It Up On Google Shhhh Don't Tell

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If f(x) = 4x²-2 then f(-2) is

klemol [59]

To find f(-2), substitute (-2) into x of the function f(x) = 4x^2-2
We get, f(-2) = 4(-2)^2 - 2
= (4*4)-2 = 16-2 = 14
Therefore, f(-2)=14.

3 0

2 years ago

List this from least to greatest: .5, 3/16, .75, 5.48

pashok25 [27]

List this from least to greatest:.5, 3/16, .75, 5.48

3/16 = 0.1875

so from least to greatest

3/16, .5, .75, 5.48

5 0

3 years ago

What the vaule of x in the equation 3x-4y=65, when y =4

lana [24]

Answer: x=27

Step-by-step explanation:

3x-4(4)=65

3x-16=65

3x=65+16

3x=81

3x/3=81/3

X=27

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3 years ago

What’s the surface area

grin007 [14]

Is 3 cm the height of the triangle?

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3 years ago

If r = 4 and ^a8 = 100, what is the first term of the geometric sequence?

telo118 [61]

The first term of the geometric sequence is 0.0061

Step-by-step explanation:

The general form of geometric sequence is a, ar, ar²,ar³,.......

where,

a is the first term of the sequence.
r is the common ratio. Here, the common ratio r = 4.
The 8th term of the sequence is 100. Hence n = 8.

The formula to find the nth term of the geometric sequence is given by :

⇒ $n_{th} term = ar^{n-1}$

⇒ $8_{th}term = a\times4^{8-1}$

⇒ $100 = a \times 4^{7}$

⇒ $100 = a \times 16384$

⇒ $a = \frac{100}{16384}$

⇒ a = 0.0061

Therefore, the first term of the geometric sequence is 0.0061

6 0

2 years ago