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jeyben [28]
3 years ago
13

Round to the place of the underlined digit 624,531 (4)

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
5 0
That would be 625,000
vladimir1956 [14]3 years ago
5 0
625,000 , is your answer.
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What is 5+2????????????????/
Amiraneli [1.4K]

Answer:well after careful consideration it’s 7

Step-by-step explanation: 1+1+1+1+1+1+1=7

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2 years ago
:(((( i can't get this one! Please help...
ValentinkaMS [17]

Answer:

  4877 fish

Step-by-step explanation:

Each year, the fish population is multiplied by 1-6% = 0.94, so after 8 years it has been multiplied by 0.94^8 ≈ 0.609569.

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3 years ago
Solve for y<br> 1/2y + 3/2 = 3y+4
denpristay [2]
The answer to 1/2y+3/2=3y+4 is y= -1
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2 years ago
Estimate the product of 23.725 ×6.25. then find the product why is it a good idea to estimate first
LuckyWell [14K]
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8 0
3 years ago
What is the equation of the quadratic graph with a focus of (1, 1) and a directrix of y = −1? PLs HELP!!
Delicious77 [7]
ANSWER
f(x)= \frac{1}{4} {(x - 1)}^{2}

EXPLANATION

Since the directrix is
y = - 1

the axis of symmetry of the parabola is parallel to the y-axis.

Again, the focus being,

(1,1)

also means that the parabola will open upwards.

The equation of parabola with such properties is given by,

{(x - h)}^{2} = 4p(y - k)
where
(h,k)

is the vertex of the parabola.

The directrix and the axis of symmetry of the parabola will intersect at
(1, - 1)

The vertex is the midpoint of the focus and the point of intersection of the axis of the parabola and the directrix.

This implies that,
h = \frac{1 + 1}{2} = 1

and
k = \frac{ - 1 + 1}{2} = 0

The equation of the parabola now becomes,

(x - 1) ^{2} = 4p(y - 0)

|p| = 1

Thus, the distance between the vertex and the directrix.

This means that,

p = - 1 \: or \: 1

Since the parabola opens up, we choose
p = 1
Our equation now becomes,

{(x - 1)}^{2} = 4(1)(y - 0)

This simplifies to
{(x - 1)}^{2} = 4y

or

y = \frac{1}{4} {(x - 1)}^{2}

This is the same as,

f(x)= \frac{1}{4} {(x - 1)}^{2}

The correct answer is D .
4 0
3 years ago
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