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3 years ago

Help me please ..........................

Mathematics

2 answers:

liq [111]3 years ago

4 0

G(x)= (x-4)^2+1......

vlada-n [284]3 years ago

3 0

Answer: G(x)=(x-2)^2+1

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Which king of function best models the date in the table

attashe74 [19]

We can see that the y-intercept (the value of y when x=0) is -1 by looking at the table.

Now we just need the slope, or "m" of the linear equation.

m=(y2-y1)/(x2-x1) in this case:

m=(-2--1)/(1-0)

m=-1/1

m=-1

Now that we know m and b of y=mx+b we can say the line is:

y=-x-1

So this is a linear equation, y=-x-1

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4 years ago

The diameter of the larger circle is 12.5 cm. The diameter of the smaller circle is 3.5 cm.

erik [133]

Area = 3.14*(12.5^2 - 3.5^2)/4 =113.04

Answer is B

3 0

3 years ago

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A survey of a local high school asked students to name their favorite subject. One out of every 12 students said that their favo

notka56 [123]

Answer:

408

Step-by-step explanation:

You would set up a proportion of 1/12 = 34/x. You would do the butterfly method and get 1x=408. Then divide 408 by 1 to get 408.

3 0

3 years ago

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What is the value of x in the equation -6/7 = -x/84? A. –98 B. –72 C. 72 D. 98

Arlecino [84]

Use cross multiplication:
$\frac{-6}{7} = \frac{-x}{84}$

$(-6)*(84)=(-x)*(7)
$

$-504=-7x
$

Divide both sides by -7 to find x:
$-504/-7=-7x/-7$

Final answer: x=72 (C)

5 0

3 years ago

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What is the value of z for the equation 1/4z = –7/8 + 1/8z? –3 –7 3 7

DaniilM [7]

The first step for solving this equation is to determine the defined range.
$\frac{1}{4z} = - \frac{7}{8} + \frac{1}{8z}$ , z ≠ 0
Move the expression $\frac{1}{8z}$ to the left side of the equation and change its sign.
$\frac{1}{4z}$ - $\frac{1}{8z}$ = $- \frac{7}{8}$
Now we need to write all numerators above the least common denominator of 8z. This will change the equation to the following:
$\frac{1}{8z}$ = $- \frac{7}{8}$
Simplify the equation using cross multiplication.
8 = -56z
Switch the sides of the equation.
-56z = 8
Divide both sides of the equation by -56.
$z = -\frac{1}{7}$ , z ≠ 0
Lastly,, check if the solution is in the defined range to get your final answer.
$z = -\frac{1}{7}$
Let me know if you have any further questions.
:)

6 0

3 years ago