3 years ago

Which table represents a quadratic function?

Mathematics

1 answer:

poizon [28]3 years ago

4 0

Answer:

Step-by-step explanation:

the bottom one forms a straight line.. so not that one

but the top one looks more like a cubic function .. maybe it could be a quadratic.

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Look at this system of equations. 2x +5 =9.5 3x + 5y =10.5 What is the value of x+y

stiv31 [10]

Answer:

x = 2.25 y = 0.75

Step-by-step explanation:

2x = 9.5- 5

2x = 4.5

x = 4.5 ÷ 2

x = 2.25

know we now what is x so in the second one we evaluate x

3(2.25) + 5y = 10.5

6.75 + 5y = 10.5

5y = 10.5- 6.75

5y = 3.75

y = 3.75 ÷ 5

y = 0.75

that's it !

if you want to check your answer you can evaluate x and y so it will be like

2×2.25 + 5

= 4.5 + 5 = 9.5

and

3× 2.25 +5×0.75

= 6.75 + 3.75 = 10.5

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3 years ago

Determine the solution to the system of equation below, algebraically. 5x+3y=28 x+y=8

VladimirAG [237]

Is this what you're asking for?

5 0

3 years ago

An airplane started at point K, travelled 560 miles to point L, adjusted its route and travelled another 575 miles to point M. I

S_A_V [24]

Answer:

Step-by-step explanation:

Using the cosine theorem:

$c^{2} =a^{2} +b^{2} -abcos\beta$

$952^{2} =560^{2} +575^{2} -560*575cos\beta$

$\beta =cos^{-1} (\frac{560^{2}+575^{2}-952^{2} }{2*560*575} )$

The angle is 114.014 degrees if we substract 90 degrees it means that at point L the plane changed its angle by 24 degrees

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3 years ago

A farm stand sells apples pies and jars of applesauce. The table shows the number of apples needed to

Galina-37 [17]

Answer:

Step-by-step explanation:

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3 years ago

Ba + 3ca = -2 Solve for a

monitta

We have:

ba + 3ca = -2

Extract common factor "a":

a(b + 3c) = -2

Divide by the term (b + 3c):

$a = \dfrac{-2}{b+3c}$

3 0

3 years ago