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Gre4nikov [31]
3 years ago
14

What is 12.7 rounded to nearest whole number?

Mathematics
1 answer:
Naya [18.7K]3 years ago
5 0
12.7 rounded to nearest whole number is 13, since 7 rounds 2 up.
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Help me pls kinda stuck lol
german

Answer:

see explanation

Step-by-step explanation:

(a)

To find the x- intercepts , let y = 0 , that is

6x - x² = 0 ← factor out x from each term

x(6 - x) = 0

Equate each factor to zero and solve for x

x = 0

6 - x = 0 ⇒ x = 6

Coordinates of P (6, 0 )

(b)

The axis of symmetry is a vertical line, positioned at the midpoint of the zeros

x = \frac{0+6}{2} = \frac{6}{2} = 3

Equation of axis of symmetry is x = 3

(c)

Given a parabola in standard form y = ax² + bx + c ( a ≠ 0 )

Then the x- coordinate of the vertex is

x_{vertex} = - \frac{b}{2a}

y = 6x - x² = - x² + 6x ← is in standard form

with a = - 1, b = 6 , then

x_{vertex} = - \frac{6}{-2} = 3

Substitute x = 3 into y = 6x - x² for y- coordinate

y = 6(3) - 3² = 18 - 9 = 9

coordinates of maximum point = (3, 9 )

8 0
3 years ago
What is the coefficient in the expression 5+ 9y
Fantom [35]

The coefficient is number 9, because it is in front of the variable y.

Hope this helps.

r3t40

4 0
4 years ago
Read 2 more answers
Identify the volume of the composite figure. HELP PLEASE!!
Ilya [14]

Answer:

Vol. of the composite figure is 189 m³

Step-by-step explanation:

Find the volume of the larger figure by mult. together its 3 dimensions:

V = (9 m)(8 m)(3 m) = 216 m³.

Next, find the volume of the "notch," which is (3 m)³, or 27 m³.

Finally, subtract the "notch" volume from the 216 m³ volume found earlier:

216 m³ - 27 m³ = 189 m³

4 0
4 years ago
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andrew-mc [135]

Answer:

B, 11000

Step-by-step explanation:

assuming a 365 day year...

10500*(1+.15)^{\frac{123}{365}}= 11006.35813

which I guess is close enough to 11000

4 0
3 years ago
Need help with a math assignment, anyone could help me out pls?​
Elena-2011 [213]

Answer:

?

Step-by-step explanation:

What's the question

.....

6 0
3 years ago
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