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NARA [144]
3 years ago
12

I'll a brainliest loves. Please answer.

Mathematics
1 answer:
Phoenix [80]3 years ago
4 0
X²+10=9
x²=9-10
x²= -1
x =√ -1
x=i (imagnary number)

Answer is A no real number
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Halp halp halp halp help me
Sladkaya [172]

Answer:

72 cubic units

Step-by-step explanation:

V=lwh

l=6

w=4

h=3

6*4*3 = 72

Hope this helps.

7 0
2 years ago
HELP WITH MY MATH EXAM i don't know what to do and my head hurts a lot
gogolik [260]

Answer:

x = 154/13

Step-by-step explanation:

You are given the measures of all three angles in a triangle

so according to the Triangle Sum Theorem:

∠MNO + ∠OMN + ∠NOP = 180

1. Substitute the measures of the angles into the equation:

(3x + 11) + (2x + 20) + (8x - 5) = 180

2. Combine like terms:

(3x + 2x + 8x) + (11 + 20 -5) = 180

13x + 26 = 180

3. Isolate x by subtratcing 26 from both sides

13x + 26 -26 = 180 -26

13x  = 154

4. Solve for x by dividing both sides by 13

13x/13 = 154/13

x = 154/13

8 0
3 years ago
Find the zeros of the function y = -4x^2 + 16
adoni [48]

-4x^2+16 & =0\\\\\implies -4(x^2-4) & =0  \\\\\implies x^2-4 =0\\ \\\implies x^2-2^2 =0\\\\\implies (x+2)(x-2)=0\\\\\implies x=2,~~x = -2

7 0
2 years ago
Read 2 more answers
1, -4, 9, -16, what is the next number
katovenus [111]
25? I'm honestly not sure. I just think its 25 because of the pattern. Please feel free to correct me if I'm wrong.
7 0
3 years ago
Tina has two rectangular playpens to keep her new pet dogs. The first rectangle has a width of 6 feet and a length of x - 4 feet
denpristay [2]

Answer:

4x+24 ft.

Step-by-step explanation:

Perimeter of first rectangular playpen mentioned: 2(6+x-4), which can be simplified to 2(x+2) = 2x + 4.

Perimeter of second playpen mentioned: 2(8+x+2), which can be simplified to 2(x+10) = 2x+20.

Add these two together: 2x+4 + 2x+20 = 4x+24. Don't forget to add units: 4x+24 ft.

3 0
3 years ago
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