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____ [38]
4 years ago
15

Brian is solving the equation x^2 -3/4 x =15. What value must be added to both sides of the equation to make the left side a per

fect-square trinomial?
Mathematics
1 answer:
Nata [24]4 years ago
5 0
Add 9/16 to both sides then the lady side will be (x- 3/8)^2
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A box is known to hold exactly 125 in3. Which side dimensions produce the most accurate measurement of the box?
guapka [62]

Answer: 25 and 5 sowwy if i'm wrong.

Step-by-step explanation:

So we know that the box is 125 in3. What ___ times ____ is equal to = 125

So we should name the multiples of 125 which is : 1,5,25,125

25 times 5 is = 125 so there's your answer.

5 0
4 years ago
Read 2 more answers
The area of a sector of a circle with a central angle of radians is . Find the radius of the circle. Do not round any intermedia
Savatey [412]

Answer:

<h3>3.5ft</h3>

Step-by-step explanation:

The question is incomplete. Here is the complete question.

Find the complete question in the diagram attached.

Area of a sector = θ/360 * πr² where;

r is the radius

θ is the angle substended by the sector

Given parameters

Area of the sector = 9ft²

central angle θ = 1.5 radians

Since  1 radians = 57.2958°

1.5 radians = (1.5 * 57.2958)

1.5 rad = 85.9437°

Substituting the given values into the formula;

Area of a sector = θ/360 * πr²

9 = 85.9437/360 * (3.14)r²

9 = 0.2387325 * 3.14r²

9 = 0.74962005r²

r² = 9/0.74962005

r² = 12.00608

r = √12.00608

r = 3.4641

r = 3.5 ft (to the nearest tenth)

Hence the radius of the circle is 3.5ft

8 0
4 years ago
A guy wire runs from the ground to a cell tower. The wire is attached to the cell tower 150 feet above the ground. The angle for
vova2212 [387]

Answer: a the guy wire is 150 ft

Step-by-step explanation: b the guy is the wire is 350 sorry not good and english but answer is 350 ft

6 0
3 years ago
PLease help screenshot provided
ruslelena [56]

Answer:

n= -80

Step-by-step explanation:

Hope this helps! ;-)

3 0
2 years ago
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A birthday cake was cut into equal pieces, and four pieces were eaten. The fraction below shows how many pieces were left. Accor
Llana [10]
If there were 4 pieces eaten, and 3/7 left, then there must have been 7 pices altogether and 3 are left.
6 0
4 years ago
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