3 years ago

Someone please help me will give BRAILIEST!!!!

1 answer:

3 0

X>10 is the answer because it doesn't mention anything about also equaling 10 in of snow and x is more than 10 is given from "more than 10 inches of snow"

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What is the common difference for this arithmetic sequence?<br> 31, 48, 65, 82, ...

sergejj [24]

Answer:

d = 17

Step-by-step explanation:

The given arithmetic sequence is :

31, 48, 65, 82, ...

We need to find the common difference for this sequence.

First term, a₁ = 31

Second term, a₂ = 48

Common difference = a₂-a₁

= 48-31

= 17

So, the common difference for this arithmetic sequence is equal to 17.

6 0

3 years ago

Choose the correct simplification of the expression −3x2(5x − 4x2 − 6).

Bess [88]

Answer B.
$- 3 {x}^{2} (5x - 4 {x}^{2} - 6) \\ = - 15 {x}^{3} + 12 {x}^{4} + 18 {x}^{2} \\ = 12 {x}^{4} - 15 {x}^{3} + 18 {x}^{2}$

8 0

4 years ago

Read 2 more answers

Which is the graph of a quadratic equation that has a positive discriminant?

masya89 [10]

If the discriminant is positive,that means that there are roots that are real and therefore, when y=0, the roots are there and for the quadratic to meet it has to go down (or up if in ax²+bx+c a is negative). If the discriminant is 0, that means that since the x value of the vertex is -b/2a and if you have
x= $\frac{-b+- \sqrt{b^2 -4ac} }{2a} 
$ and b^2-4ac=0, we're left with 0 and we are therefore left with -b/2a as the vertex and the vertex being the x intercept. If the discriminant is negative, that means that there is no y intercept and the vertex therefore has to be over y=0