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HACTEHA [7]
3 years ago
5

15. Solve the equation: x² + 18x + 81 = 9

Mathematics
2 answers:
Andreas93 [3]3 years ago
6 0

Answer:

x= -6,-12

Step-by-step explanation:

Gnoma [55]3 years ago
5 0

Answer: x = -6 and or x = -12

Step-by-step explanation:

there could be two possible answers to your question hope this helps.

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Is this right yes or no
tatyana61 [14]

Answer:

yes you did that correctly

6 0
2 years ago
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What is 6+9+4+1+10? Please explain?
Viktor [21]
30, 6+9= 15+4= 19+1= 20+10= 30
3 0
3 years ago
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Solve for the formula for the indicated variable. Solve A=1/2bh for b.
choli [55]
B = 2A/h

The way you would get this is first by clearing the fraction. So in order to clear the fraction, you have to multiply the equation by the denominator.

2(A = 1/2bh)

2A = 1bh

2A = bh

Then you have to isolate the variable. So you'd divide bh by h in order to get b by itself. So you'd end up with:

2A/h = bh/h

2A/h = b
5 0
3 years ago
What decimal is equal to 31/100
BlackZzzverrR [31]

Answer:

0.31

Step-by-step explanation:

So if you divide 31 by 100 all you have to do is move the decimal from right to left the number of zeros you have. Here we have 2 zeros so we move from right to left twice.

0.31

4 0
3 years ago
⦁ A sphere is inscribed in a cube with a volume of 27 cm3. What is the volume of the sphere?
lyudmila [28]

Answer:

≈ 14.14 cm³

Step-by-step explanation:

First find the side length of the cube.

V=S³

27=S³

∛27=∛s³

3=S

Then the volume of the sphere.

V=\frac{4}{3} × π(pi) × r³(radius cubed)

V=\frac{4}{3} × π(pi) × (1.5³)

 =\frac{9}{2}π cm³ ≈ 14.14 cm³

4 0
3 years ago
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