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scZoUnD [109]
3 years ago
15

Find the value of

Mathematics
1 answer:
natita [175]3 years ago
7 0
It is in form
0=ax^2+bx+c
0=-3x^2-2x+6
a=-3
b=-2
c=6

so
x=
x=
x=
x=
x=
x=
x= or 
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Consider the graph of function f. Find the average rate of change for f on the interval [P,Q]
Ulleksa [173]

Check the picture below.

\bf slope = m = \cfrac{rise}{run} \implies \cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby \begin{array}{llll} average~rate\\ of~change \end{array}\\\\[-0.35em] \rule{31em}{0.25pt}\\\\ f(x)= \qquad \begin{cases} x_1=1\\ x_2=3 \end{cases}\implies \cfrac{f(3)-f(1)}{3-1}\implies \cfrac{(5)-(-1)}{3-1} \\\\\\ \cfrac{5+1}{2}\implies \cfrac{6}{2}\implies 3

4 0
3 years ago
Item 29<br> Divide.<br> 6.8÷4<br> 6.8÷4
Ket [755]

Answer:

1.7

Step-by-step explanation:

You can just use a calculator to make the work easier.

7 0
2 years ago
How many F's can I get in order to still pass 7th grade??? What's the maximum??
guapka [62]
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probably one failing grade each quarter or marking period w.e ur school calls it
ik in my school i cn get honor role even tho i hav one C soooo ^thts wat im thinkin
6 0
3 years ago
Read 2 more answers
Taylor has saved $99 for a tablet. That is 45% of the cost of the tablet. How much does the tablet cost?
gayaneshka [121]

Answer:

$220

Step-by-step explanation:

Make a proportion

We know that 99 over some number (x) must equal 45%

99/x=45/100

Cross multiply

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So, the tablet costs $220

Hope this helps! :)

7 0
3 years ago
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Can someone help me please..
Elza [17]
So just find circumference is
circumfernce=2pir or pid
so diameter 2.5 ft
just for this problem aprox pi=3.14 so
c=pid
c=3.14(2.5)
c=7.85

a. 7.85 ft

b. how many times revolution till one mile (5280)
so
7.85 times x revolutions=5280
divide both sides b y7.85
x revolutions=672.61
round up so we complete the mile (about how many times..)
673 is the answer


a. 7.85 ft
b. 673 times
5 0
3 years ago
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