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IrinaVladis [17]
4 years ago
13

X squared + 9x + 14=0

="x {}^{2} + 9x + 14" alt="x {}^{2} + 9x + 14" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Nezavi [6.7K]4 years ago
3 0
X²+9x+14=0
(x+7)(x+2)=0
X=-7 or x=-2
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I could use some help , i really cant do geometry :(
Gelneren [198K]

Answer:

I am not sure but for

CAE it is 65˚

CBD it is 65˚

Step-by-step explanation:

x+40=3x-10

Move the 3x to the other side by subtracting by 3x on both sides

x-3x+40=3x-3x-10

The equation now looks like this:

-2x+40=-10

Move 40 to the other side by subtracting 40 both sides:

-2x+40-40=-10-40

-2x=-50

Divide by -2 on both sides:

-2x/-2=-50/-2

x=25

Since we found out what x is we can replace x in both CAE and CBD:

For CBD: 25+40 is 65

For CAE: 3(25)-10 is 65

5 0
3 years ago
Read 2 more answers
2. On a blueprint for a new building, 2 inches = 8 feet. The height of the building on the
dimulka [17.4K]
<h2>Answer:</h2><h2>The actual height of the building = 36 feet.</h2>

Step-by-step explanation:

By blue print conversion,

2 inches = 8 feet

Therefore, 1 inch = \frac{8}{2} = 4 feet

1 inch = 4 feet

The height of the building on the  blueprint = 9 inches

The actual height of the building = 9 * 4 = 36 feet.

4 0
3 years ago
Help will give thanks to the first to answer
andreyandreev [35.5K]

Answer:

69

Step-by-step explanation:

Just plug in

10(9)-7(3) = 90-21 = 69

8 0
3 years ago
a circle with the area 9 pi has a sector with a central angle of 60 degrees. what is the area of the sector?
mylen [45]

Answer:

The area of sector is 4.71 sq unites

Step-by-step explanation:

Step 1: Area of the sector = Area of the circle × (C/360) where C is the central angle.

Area of the sector = πr²(C/360) = 9π × 60/360

                           = 9 × 3.14 × 1/6

                           = 28.26/6 = 4.71 sq units

Original answer by Bhuvna789456. I hope this helped.

8 0
3 years ago
Read 2 more answers
Which is the best reason why 2/5 is the exact quotient for 1/4÷ 5/8 ?
stealth61 [152]
If u do the inverse and switch the 5/8 to 8/5 cause of (KCF- keep change flip) then u would get
\frac{1}{4}  \times  \frac{8}{5}
Then u would cross divide (basically asking yourself) to find the greatest factor u can multiply with two numbers if u can if u can only find one do one
how many times can 4 go into 4? which is 1
And how many times can 4 go into 8 which is 2 which is
\frac{1}{1}  \times  \frac{2}{5}
6 0
4 years ago
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