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qwelly [4]
2 years ago
9

Which statements are true regarding the quadratic statement?

Mathematics
1 answer:
julia-pushkina [17]2 years ago
7 0

Answer:

E

Step-by-step explanation:

I hope am right coz it seems most appropriate

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18x-16y=-312 <br> 78x-16y=408
patriot [66]
That is system of equation.
8 0
2 years ago
Someone please explain this it’s confusing me.
Nesterboy [21]

Answer:

x = 4 radical 3 / 3

Step-by-step explanation:

this is a 30-60-90 triangle

the side across from the angle 30 is L

the side across from the angle 60 is L√3

the side across from the angle 90 is 2L

we are given the side across from 60⁰ so we know that:

2 = L√3

we want to solve for L, so we must divide both sides by √3 (radical three)

2/√3 = L√3/√3

you would get 2/ √3 = L, because the radical three cancels out on the L side.

but you can't have a radical in the denominator, so you have to multiply 2/√3 by radical 3

2 times √3 and √3 times √3

you get 2√3/√9

radical nine can simplify

2radical3/3 or 2√3/3

we found L, but that would equal the thirty degree angle, not the 90, 90 = 2L

multiply the number infront of the radical by two and get

4√3/3

x=4 radical 3 divided by 3

5 0
2 years ago
The Budget Car Rental rates for renting a car for a day is shown in the table.
Irina18 [472]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

a.) Initial cost of renting the car is $100

b.) rate of change is slope, that is :

  • \dfrac{105 - 100}{100 - 0}

  • \dfrac{5}{100}

  • \dfrac{1}{20}

  • 0.05

c.) Cost = C and distance = d

the equation will be :

  • C =  \dfrac{d}{20}  + 100
5 0
2 years ago
Evaluate the indefinite integral. (remember to use absolute values where appropriate. use c for the constant of integration.) dx
Karo-lina-s [1.5K]
:) Well, I dunno about anyone else but this question makes my head spin!
7 0
3 years ago
Replace ∗ with a monomial so that the derived expression may be represented as a square of a binomial: * +14b+49
anyanavicka [17]

Answer:

  * = b²

Step-by-step explanation:

You know that the square of a binomial is of the form ...

  (x + y)² = x² + 2xy + y²

Matching given terms, we have ...

  49 = y²

  2xy = 14b

Solving the first of these relations for y, we have

  y = √49 = 7

Putting that in the second relation and solving for x, we find ...

  2x·7 = 14b

  14x = 14b

  x = b

Then the first term of the expansion, x², will be b².

The missing term is b².

7 0
3 years ago
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