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Setler79 [48]
3 years ago
5

Look at the pattern below.How should the tird shape be labeled​

Mathematics
1 answer:
disa [49]3 years ago
7 0

Answer:

You havent showed us the pattern

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Using the distributive property, what is the best way to multiply 8 by 7?
Wittaler [7]

8 x 7 = 56

Just multiply the two, if the question was 7 + 8 x 7

then you'd multiply 8 by 7 and that would give you 56

then you'd add 7 for the final answer of 63 but you don't have to add 7 in this problem 


4 0
3 years ago
What is the discriminant of the equation x^2+11x-10=0
Burka [1]
The discriminant is b^2-4ac
ax^2+bx+c=0
x^2+11x-10=0

11^2-4(1)(-10)
1. Simplify 11^2 to 121
121-4(1)(-10)

2. Simplify 4*1*-10 to -40
121-(-40)

3. Simplify brackets
121+40

4. Simplify 
161
Your discriminant is 161


7 0
4 years ago
If f(x)=2x-5, what is value of f(6)
mars1129 [50]

The value of f(6) = 7

2 x 6 = 12 - 5 = 7

7 0
4 years ago
A rocket is fired upward from some initial distance above the ground. Its height in​ feet, h,above the​ ground, t seconds after
kirill115 [55]
Check the picture below.

\bf \textit{ vertex of a vertical parabola, using coefficients}\\\\
\begin{array}{lccclll}
h(t) = &{{ -16}}t^2&{{ +96}}t&{{ +2560}}\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}\qquad 
\left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad  {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right)

so.. the maximum point is at   \bf {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}~~~ft

and it happened after   \bf -\cfrac{{{ b}}}{2{{ a}}}~~~seconds

--------------------------------------------------------------------------

now, when the rocket reaches the ground, as you saw on the picture, y = 0, thus

\bf h(t)=-16t^2+96t+2560\implies 0=-16t^2+96t+2560
\\\\\\
0=-16(t^2-6t-160)\implies 0=t^2-6t-160
\\\\\\
0=(t-16)(t+10)\implies t=
\begin{cases}
\boxed{16}\\
-10
\end{cases}

"t" is an amount in seconds, for this specific phenomena, it cannot be negative, so -10 is not a feasible value.

8 0
3 years ago
Read 2 more answers
What is the standard deviation of the following data set rounded to the nearest tenth 3,17,18,15,12,21,9
Alenkinab [10]
I think that it is c or d but correct me if i am wrong
4 0
4 years ago
Read 2 more answers
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