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Arada [10]
2 years ago
12

Solve each equation x^2+6x+9=1

Mathematics
2 answers:
goldenfox [79]2 years ago
5 0

Answer:x=-2,-4

Step-by-step explanation:

spin [16.1K]2 years ago
4 0
X= -4 and x=-2

x^2+6x+9=1
(x+3)^2=1
x+3=+/-1
x+3=-1 / x-3=1
x=-4
x=-2
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What is the area of the trapezoid?
kykrilka [37]
To find the area of the trapezoid you add the two bases then multiply by the base and divide by 2. 

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D. 240 square feet.
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3 years ago
(SHOW UR WORK I DONT FEEL LIKE DOING THIS XDD BUT THANKSS) 98.73 ÷ 15 =
Juliette [100K]

Answer:

Answer 6.582

Step-by-step explanation:

   0 6. 5 8 2

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5 0
2 years ago
Subtract 1.05 from a certain number. Multiply the difference by 0.8, add 2.84 to the product then divide the sum by 0.01 and get
artcher [175]
The number is 6.25.

We will set up an equation for this.  Let x be the unknown number.  Subtracting 1.05 from it gives us

(x-1.05)

Multiplying the difference by 0.8 would give us

0.8(x-1.05)

Adding 2.84 to the product would give us

0.8(x-1.05)+2.84

Dividing the sum by 0.01 would give us

[0.8(x-1.05)+2.84]/0.01 = 700

We will start working backward, cancelling the division by 0.01 first by multiplying:

([0.8(x-1.05)+2.84]/0.01)*0.01 = 700*0.01

0.8(x-1.05)+2.84 =7

Subtract 2.84 from both sides:
0.8(x-1.05)+2.84-2.84 = 7-2.84
0.8(x-1.05) = 4.16

Use the distributive property on the left side:
0.8*x - 0.8*1.05 = 4.16
0.8x - 0.84 = 4.16

Add 0.84 to both sides:
0.8x - 0.84+0.84 = 4.16+0.84
0.8x = 5

Divide both sides by 0.8:
0.8x/0.8 = 5/0.8
x = 6.25
5 0
2 years ago
Read 2 more answers
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klemol [59]
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8 0
3 years ago
Mary says the pen for her horse is an acute right angle triangle is this possible explain
slavikrds [6]
An acute triangle is triangle that's less than 90 degree angle and a right triangle is exactly 90 degree angle so

the answer is no, it is not possible
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