2 years ago

What information do you need to write an equation in vertex form? Select all that

Mathematics

1 answer:

bulgar [2K]2 years ago

6 0

Answer:

an ordered pair anywhere on the parabola

the coordinates for the vertex

the formula for vertex form

Step-by-step explanation:

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Which proportional statements are true of the

Nuetrik [128]

Answer: number 1 2 and four are correct

Step-by-step explanation:

I DID THE SAME THING

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2 years ago

Find a1 if Sn = 89,800, r = 3.4, and n = 10. Round to the nearest hundredth if necessary.

xxMikexx [17]

Answer:

$a_1=1.04$

Step-by-step explanation:

We have a geometric sequence with:

$Sn = 89,800$ , $r = 3.4$ , and $n = 10$

Where

Sn is the sum of the sequence

r is the common ratio

$a_1$ is the first term in the sequence

n is the number of terms in the sequence

The formula to calculate the sum of a finite geometric sequence is:

$S_n=\frac{a_1(1-r^n)}{1-r}$

Then:

$89,800=\frac{a_1(1-(3.4)^{10})}{1-3.4}$

Now we solve for $a_1$

$89,800(1-3.4)=a_1(1-(3.4)^{10})$

$a_1=\frac{89,800(1-3.4)}{1-(3.4)^{10}}\\\\a_1=1.04$

4 0

2 years ago

Please expand equation <br> 0.5(5x - 2.2)

Andrews [41]

0.44............is your answer

5 0

2 years ago

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Four points, A(0,0), B(1, 2), C(3, 1), and D(2,-1) lie in a plane. Line AD and Line BC are BEST described as

anygoal [31]

Answer:

Parallel

Step-by-step explanation:

Parallel lines are 2 coplanar lines that dont intersect at any point

4 0

2 years ago

I need question a and b done pls help

FrozenT [24]

Answer:

A. 5

B. 12

Step-by-step explanation:

What you do is you substitute -2 into the a and the 3 into the b.

a. 3(-2)^2-5(3)+8 b. 2/3(3)-5(-2)

3(4)-15+8 2-(-10)

12-15+8 12 is your answer.

-3+8

5 is your answer.

8 0

2 years ago

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