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valina [46]
3 years ago
10

What is the factor of x2+10x-75​

Mathematics
2 answers:
astraxan [27]3 years ago
8 0

Answer: x2+10x-75= (x-5)(x+15)

Step-by-step explanation:

Ok so we factor by thinking of numbers that can add to 10 and multiple to get -75. so those 2 numbers were -5 and 15. Hope this helps xD

sergejj [24]3 years ago
4 0

Answer:

(x+15)(x-5)

Step-by-step explanation:

x²+10x-75= x²+15x-5x-75

=x(x+15)-5(x+15)

=(x+15)(x-5)

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Find the value of x. Round the length to the nearest tenth.
Lostsunrise [7]

Answer:

x = 5.1 yd

Step-by-step Explanation:

Angle of depression is congruent to angle of elevation.

Therefore, angle of elevation of the given figure, which is opposite to x is 25°.

Adjacent length = 11 yd

Opposite length = x

Trigonometric ratio formula for finding x is shown below:

tan(25) = \frac{opposite}{adjacent}

tan(25) = \frac{x}{11}

Multiply both sides by 11 to solve for x

11*tan(25) = x

5.129 = x

x = 5.1 yd (to the nearest tenth)

8 0
4 years ago
PLEASE HELP! THANKS!
Vinvika [58]
So that is area of rectangle-1/2areacircle

so
areacircle=pir^2
r=5
1/2pir^2=1/2pi5^2=25pi/2=12.5pi

arearectangle=lw=12*5=60


unshaded=60-12.5pi=20.75 square feet
round

20.8 square feet
6 0
3 years ago
How to do this one plz can u help me
masya89 [10]

Answer:

you type your answer into the computer and find the domin x intercept ect

3 0
3 years ago
3(x - 4)(2x - 3) = 0?
Studentka2010 [4]

Answer:

x = 4   or  x = 3/2

Step-by-step explanation:

You want the solution to the equation 3(x - 4)(2x - 3) = 0  ?

ok then.

it looks like  either   x - 4 = 0

or  2x - 3 = 0

so...

x = 4   or  x = 3/2

8 0
3 years ago
Which equation is equivalent to 5 = (6y + 9)?
shepuryov [24]

Step-by-step explanation:

5=(6y+9)

5-9=6y

-4=6y

-4/6=6y/6

y=-4/6

8 0
3 years ago
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