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serious [3.7K]
3 years ago
13

GIVING BRAINLIEST SOLVE USING FACTORING (8x^2 - 4x^2-3x+1)-(1-5x^2+ x)

Mathematics
1 answer:
irina1246 [14]3 years ago
3 0

Answer:

4r to the power of 2 - 3r +1

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Solve (x +9)2 = 25.
alexandr1967 [171]

Answer:

x =  - 4 \: or \: x =  - 14

Step-by-step explanation:

We have been given the equation

(x + 9) {}^{2}  = 25

and we are asked to apply the square root property of equality to our given a equation and isolate the variable

First, take the square root of both sides of our equation

\sqrt{(x + 9) {}^{2} }  =  \sqrt{25}

x + 9 =  \: 15

x + 9 = 5 \: or \: x + 9 =  - 5

x + 9 - 9 = 5 - 9 \: or \: x + 9 - 9 =  - 5 - 9

x =  - 4 \: or \: x =  - 14

<em>THEREFORE, THERE ARE TWO SOLUTIONS FOR OUR GIVEN EQUATION</em>

<em>x + 9 = 5 \: then \: x =  - 4. \\ x + 9 =  - 5 \: then \: x =  - 14</em>

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8 0
3 years ago
A 90-kg astronaut biologist searches for microbial life on Mars where the gravitational acceleration is g = 3.71 m/s2. What is t
Yuki888 [10]
M = 90 kg,
On Mars:  g = 3.71 m/s² 
Weight = m · g = 90 kg · 3.71 m/s² = 333.9 N
1 N = 0.2248 lbf
333.9 · 0.2248 = 75.06072 lbf ≈ 75 lbf
5 0
2 years ago
20% of 55 is what number
Vitek1552 [10]
20% of 55 is 11

Workingout: 20%/100% = 0.2
                     0.2 x 55 = 11

:)

7 0
3 years ago
HELPPPPPPP ASAP!!!!
Sergeeva-Olga [200]

Answer:  AB will be parallel to A'B'.


Step-by-step explanation: We know the definition of dilation about the centre. It is defined as the enlargement or shrinken of the original figure keeping the centre of dilation or the figure as fixed.

We are given ΔUVW  and AB is perpendicular to UW. Now, if we dilate the triangle about the origin, then the triangle will either enlarge or shrink keeping the centre fixed.

Let us consider the enlarged triangle, ΔU'V'W' as shown in the attached figure. Also, line AB will move to the new position A'B'. We can clearly see that both the lines are parallel to each other.

Thus, the line segments AB and A'B' will be parallel too each other.

5 0
3 years ago
Read 2 more answers
Please help it is due in an hour
Soloha48 [4]

I now answer but u was a day late sorry

Step-by-step explanation:

8 0
2 years ago
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