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Artyom0805 [142]
2 years ago
12

Steve is m years old.his brother jack is n years older than steve, how old will jack be in 2 years.

Mathematics
1 answer:
Alexxandr [17]2 years ago
4 0

(2 + n) + m

Step-by-step explanation:

Steve is m

Jack is n

old Wil be in 2 years

= (2+N) + m

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3 years ago
What is the equation of the quadratic function that has a minimum at (7,-3) and goes through (9,9)?
SOVA2 [1]

Answer:

y = 3x² - 42x + 144

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

here (h, k) = (7, - 3), thus

y = a(x - 7)² - 3

To find a substitute (9, 9) into the equation

9 = 4a - 3 ( add 3 to both sides )

12 = 4a ( divide both sides by 4 )

a = 3

y = 3(x - 7)² - 3 ← in vertex form

Expand factor and simplify

y = 3(x² - 14x + 49) - 3

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4 0
3 years ago
Show your work on how you know these questions are correct
Darina [25.2K]

Answer:

A. \frac{2}{3}   is Repeating

B. \frac{3}{5} is Terminating

C. \frac{6}{11} is Repeating

Step-by-step explanation:

We know \frac{2}{3} is Repeating because when it is in decimal form there is a line above the 6 in 0.6

We know \frac{3}{5} is Terminating because when it is in decimal form there is no line above any of the numbers in 0.6

We know \frac{6}{11} is Repeating because when it is in decimal form there is a line above 54 in 0.54.

Hope this helps.

5 0
3 years ago
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sp2606 [1]

Answer:

The parametric equations for the given line are x=1-t, y=1+t and z=2t.

Step-by-step explanation:

Given information: P (1,1,0) and Q (0,2,2).

The parametric equation of line are

x=x_0+at

y=y_0+bt

z=z_0+ct

where, (x_0,y_0,z_0) is point on line and <a,b,c> is direction vector.

The line passes through the points P (1,1,0) and Q (0,2,2). So, the direction vector is

\overrightarrow{v}=

\overrightarrow{v}=

\overrightarrow{v}=

The direction vector is <-1,1,2>. So, a=-1, b=1 and c=2. The parametric equation of line are

x=1+(-1)t=1-t

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Therefore the parametric equations for the given line are x=1-t, y=1+t and z=2t.

5 0
3 years ago
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