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goblinko [34]
3 years ago
7

Write a quadratic function f whose zeros are - 5 and 7.

Mathematics
1 answer:
weeeeeb [17]3 years ago
3 0
Our two binomials are (X-5)(X-7)

If we FOIL those two terms [x*x = x2; x*-7 = -7x; x*-5 = -5x; -5*-7 = 35] and combine the like terms, we're left with one of many quadratic function
Answer
x2-12x+35
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find the common ratio r for the geometric sequence and use r to find the next three terms 5,15,45,135
OlgaM077 [116]

Answer:

405

Step-by-step explanation:

r sequence= 5,15,45,135

d sequence:=10,30,90,270

r ratio is the Radio

d ratio is de Diameter

2*r=d

5*2=10, 15*2=30, 45*2=90, 135*2=270

to complete the sequence:

r+d= next r and continue

5+10=15

15+30=45

45+90=135

135+270=405

4 0
3 years ago
Please answer this correctly
alukav5142 [94]

Answer:

12 2/5 hours

Step-by-step explanation:

1+1+1\frac{1}{5} +1\frac{1}{5} +1\frac{1}{5} +1\frac{3}{5} +1\frac{3}{5} +1\frac{4}{5} +1\frac{4}{5} =\\\\2+3\frac{3}{5} +3\frac{1}{5} +3\frac{3}{5} =\\\\11\frac{7}{5} =\\\\12\frac{2}{5}

12 2/5 hours have been logged in all.

4 0
3 years ago
Rewrite the equation y=2|x−3|+5 as two linear functions f and g with restricted domains.
Mama L [17]

Answer:

f(x) = 2+5

g(x) = 2(-(x−3))+5

Step-by-step explanation:

If you remember, an absolute value can have two different answer, a positive and negative answer because the absolute value symbol makes all values in it positive. Example: |-2|=2 and |2|=2

So if  y = 2|x−3|+5

then the two possibilities are

y = 2(x−3)+5    and

y = 2(-)+5

Set one of them equal to f(x) and the other one to g(x)

f(x) = 2(x−3)+5

g(x) = 2(-(x−3))+5

You can also write it as a piecewise function.

y(x)=$\begin{array}{cc}  \{ &     \begin{array}{cc}      -(x-3) & x3    \end{array}\end{array}$

5 0
3 years ago
Find the total surface area of a clyinder.
Rashid [163]

Answer:

the sides the formula for that is 2(pi)radius(height). the formula for the total surface area is 2(pi)radius(height) + 2(pi)radius squared.

7 0
3 years ago
Read 2 more answers
Simplify -3/2 * 9/6<br><br> A. -4<br> B. -1<br> C. 4<br> D. 1
zalisa [80]

Answer:

-2.25

Step-by-step explanation:

8 0
1 year ago
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