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Kitty [74]
3 years ago
11

Plz help me I don’t know how to do this help me

Mathematics
1 answer:
Ivahew [28]3 years ago
6 0

Answer:

its B

Step-by-step explanation:

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Is w^2-9w+81 a trinomial square
Yuri [45]
No because it would be
if you knew that
ax^2+bx+c was a trinomial square, then the factored form would be
( \sqrt{a}x+ \sqrt{c})^{2} or ( \sqrt{a}x- \sqrt{c})^{2}
so
if w^2-9w+81 is perfect square, factored form is either
( \sqrt{1}x+ \sqrt{81})^{2} or ( \sqrt{1}x- \sqrt{81})^{2}  aka ( x+9)^{2} or  ( x-9)^{2}
expand them
(x+9)^2=x^2+18x+81, wron middle term

(x-9)^2=x^2-18x+81 wrong

so it is not






8 0
3 years ago
F(0) = 2 and f(2) = 4
RUDIKE [14]

Answer:

Use the slope formula and slope-intercept form  

y

=

m

x

+

b

to find the equation.

f

(

x

)

=

3

x

−

1

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find the area of a circle with radius, r = 76cm.<br> Give your answer rounded to 3 SF.
PSYCHO15rus [73]

Answer:

17,700.00

Step-by-step explanation:

Area of a circle = 22

------ r2

7

=22

------ 76x76 =123,750

7 ---------- =1,768.571

7

1,768.571 rounded to 3 SF=17700.00

5 0
2 years ago
Help me!! answer all ​
Sergio [31]

its blurry

Step-by-step explanation:

can you take a better picture

3 0
3 years ago
4) There are 4,200 beads in a box. There are 6 bags of beads in each box. If each bag has the same number of beads, how many bea
Helga [31]

Answer:

700 beads are in each bag.

Step-by-step explanation:

4 0
3 years ago
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