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2 years ago

Pls ill give brainelist

Mathematics

2 answers:

algol [13]2 years ago

7 0

The answer is going to be A

Ivenika [448]2 years ago

6 0

Answer: A, negative nonlinear

Step-by-step explanation:

The line goes down, and the points aren't in a straight line; they're scattered. as the x-axis increases, the y-axis decreases.

I didn't really explain too much but like-- i hope it helps lol

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Convert this number expressed in standard form to scientific notation

Sergeu [11.5K]

Answer:

28,500,000 into scientific notation is 2.85 x 10⁷

2.85 x 100 in scientific notation is 2.85 x 10²

if you mean the multiplication symbol, it just means to multiply. otherwise, there i don't see an x anywhere else

6 0

3 years ago

Mya told her friend, “If you increase my sisters age by 6, multiply that quantity by 12, and then subtract 4, you get 10. Write

Lostsunrise [7]

Answer: x+6(12-4) = 10

Step-by-step explanation:

7 0

2 years ago

Use synthetic division find the product of ( 2x+3) and (x2-5x+6)

alexgriva [62]

Answer:

−

Explanation:

We have:

(

)

(

−

)

Now let's distribute this piece by piece:

(

)

(

)

(

)

(

−

)

−

(

)

(

)

(

)

(

)

(

)

(

−

)

−

(

)

(

)

And now we add them all up (I'm going to group terms in the adding):

−

And now simplify:

−

Step-by-step explanation:

6 0

2 years ago

Which quadratic equation has solutions x=8 and x=−1?

andrezito [222]

There are two ways you can do this

$Using the formula$

${x}^{2} - (sum \: of \: roots)x + poduct \: of \: roots = 0$

${x}^{2} - (8+-1)x + - 1 \times 8 = 0$

${x}^{2} - 7x - 8 = 0$

$Working backwards$

$x = 8 \: or \: x = - 1$
$\Rightarrow x-8=0 \: or \: x+1=0$

$\Rightarrow (x-8)(x + 1)=0$
$\Rightarrow {x}^{2} + x -8x - 8 = 0$
$\Rightarrow {x}^{2} - 7x - 8 = 0$

7 0

3 years ago

Find the average rate of change of the function over the given interval.

Minchanka [31]

Answer:

Average rate of change = 20.2

Rate of change at the left endpoint : f' (5) = 4t = 20

Rate of change at the right endpoint : f' (5.1) = 4*5.1 = 20.4

Step-by-step explanation:

The average rate of change of the function

F(t) = 2t^2 - 1 , [ 5,5.1 ]

solution

$\frac{f(5.1)-f(5)}{5.1 - 5}$ = $\frac{2*(5.1)^2-1-(2*5^2-1)}{0.1}$ = [ 2 ( 26.01 - 25 ) / 0.1 ]

= 2.02 / 0.1 = 20.2

Rate of change at the left endpoint : f' (5) = 4t = 20

Rate of change at the right endpoint : f' (5.1) = 4*5.1 = 20.4

6 0

3 years ago