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3 years ago

What is the vertex of x^2

Mathematics

1 answer:

Delvig [45]3 years ago

6 0

Answer:

The vertex is (0,0)

Step-by-step explanation:

To find the x coordinate of the vertex

x = -b/2a where ax^2 +bx +c

a=1 b=0 c=0

x = -0/2(1) = 0

The y value is found by substituting into the equation

y = (0)^2 =0

The vertex is (0,0)

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Distribute an amount of Rs. 200 between Raheem and Usman such that Raheem

Greeley [361]

Answer:

50 and 150

Step-by-step explanation:

Raheem- (2x+50)

Usman- x

(2x+50)+x=200

3x+50=200

3x=150

x=50

plug in the numbers

4 0

3 years ago

In triangle JKL, if m

romanna [79]

Answer:

$\angle L = 52\\\\\angle J = 45\\\\\angle K = 83$

Step-by-step explanation:

$\angle J = \angle L-7\\\\\angle K=2\angle L-21\\\\\angle L = \angle L$

we know that

$\angle K +\angle J + \angle L =180$ by the sum of interior angles of a triangle

so we have

$(\angle L -7)+(2\angle L -21)+(\angle L)=180$

we can simplify

$(\angle L + 2\angle L + \angle L)+(-7-21)=180\\\\4\angle L -28=180\\\\4\angle L=180+28\\\\4\angle L = 208\\\\\angle L = 52$

and now we find the other angles

$\angle J = \angle L -7\\\\=52-7\\\\=45$

$\angle K = 2\angle L -21\\\\=2(52)-21\\\\=104-21\\\\=83$

4 0

3 years ago

The first group collected 238 cans. The second group collected 345 cans. How many cans did the two groups collect?

True [87]

Answer:

The two groups collected 573.

Step-by-step explanation:

238

+345

573

8 0

3 years ago

After driving to a riverfront parking lot, Bob plans to run south along the river, turn around, and return to the parking lot, r

mihalych1998 [28]

Answer:

WOW THAT IS HARD!!

Step-by-step explanation:

dsads

4 0

3 years ago

How to find the limit of that question

jeka94

Factor the numerator using difference of cubes:
$a^3 - b^3 = (a-b)(a^2 +ab+b^2)$
a = x
b = 2

$\frac{x^3 - 8}{x-2} = \frac{(x-2)(x^2 +2x+4)}{x-2} = x^2 +2x+4$

Now you can evaluate limit as x=2.
$\lim_{x \to 2} (x^2 +2x+4) = 2^2 +2(2)+4 = 12$

5 0

4 years ago