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horsena [70]
3 years ago
13

Perform the operation. (-2x^2 – 8x + 3) + (-9x^2 + x + 3)

Mathematics
2 answers:
galina1969 [7]3 years ago
5 0

Answer:

-11x^{2} + 7x + 6

Step-by-step explanation:

ludmilkaskok [199]3 years ago
3 0
The answer is: - 11x^2 - 7x + 6
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Which triangles could not be similar to triangle ABC ? triangle a b c with right angle b. side a b is 12 cm. side b c is 5 cm. s
Vera_Pavlovna [14]

Answer:

triangle JKL

Step-by-step explanation:

This is because the lengths of each side JKL is a factor to ABC

respectively .

AB=12,JK=36

AC=13,JL=39

BC=5,KL=25

I hope you understand

6 0
2 years ago
Mary spent a total of $322.36 for a party. She spent $200.44 on food, plus an additional $30.48 for each hour of the party. How
n200080 [17]

Answer:

B 4 hours

Step-by-step explanation:

322.36 - 200.44 = 121.92

121.92 ÷ 30.48 = 4

3 0
3 years ago
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Solve. Will give brain thing
dezoksy [38]

Answer:

Step-by-step explanation:

-1/2 + (3/4 x 4/9)

-1/2 + (3/9)

= - 1/2 + (1/3)

= - 1/6

8 0
3 years ago
Consider the equation
Ksju [112]
Put the equation in Photo math
5 0
3 years ago
50 POINTS IF YOU HELP!!!!!
DaniilM [7]
We know that

[the area of a circle]=pi*r²
for r=4 ft
[the area of a circle]=pi*4²------> 50.24 ft²

if 2π radians ( full circle) has an area of-----------------> 50.24 ft²
5π/2 radians--------------------------------------> X ft ²
X=(5π/2)*50.24/2π-------> 62.8 ft²

the answer is
62.8 ft²
8 0
3 years ago
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