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Andrej [43]
3 years ago
8

Brian is solving the equation x squared minus three-fourths x = 5. What value must be added to both sides of the equation to mak

e the left side a perfect-square trinomial?
StartFraction 9 Over 64 EndFraction
StartFraction 9 Over 16 EndFraction
Three-fourths
Nine-fourths
Mathematics
2 answers:
Allushta [10]3 years ago
6 0

Answer:

  StartFraction 9 Over 64 EndFraction

Step-by-step explanation:

He must add the square of half the x coefficient. That coefficient is 3/4, so half of it is 3/8 and the square of that is ...

  (3/8)^2 = 9/64

Brian mus add 9/64 to boths sides of the equation.

Levart [38]3 years ago
6 0

Answer:

9/64

Step-by-step explanation:

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PolarNik [594]

Answer:

the total of angle's in traingle is 180

so 85+53+c=180

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8 0
2 years ago
Read 2 more answers
Show how to solve the problem 378 x 6 using place value with regrouping. Explain how you knew when to regroup.
KIM [24]

<u>Answer</u>

2,268


<u>Explanation</u>

<u> </u>

<u>By grouping 378 ca</u>n be written as,

378 = 300 + 70 + 8

6× 378 = 6 × (300 + 70 + 8)

             = (6×300) + (6×70) + (6×8)

             = 1800 +  420 + 48

              = 2,268

8 0
3 years ago
the formula V= 4x3.14xr3 over 3 gives the approximate volume of a sphere if you know the radius r. Calculate V if r=3
Alinara [238K]
The answer is 113.04 should be correct...
6 0
3 years ago
The price of a share of stock started the day at $37. During the day it went down $3, up $1, down $7 and up $4. What was the pri
Oksana_A [137]
It started at $37.

It went down $3.
37 - 3 = 34

It went up 1.
34 + 1 = 35

It went down 7.
35 - 7 = 28

It went up 4.
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The price at the end of the day was $32.
4 0
3 years ago
Industrial chemicals are stored in 55-gallon drums. The radius of the drum is 12 inches, and the height is 32 inches. Determine
KIM [24]

Answer:

The surface area is 3317.52 inch^2

Step-by-step explanation:

The drum is in the shape of a cylinder, therefore..

Area of the drum

=2πrh+2πr^2

=2*π*12*32+2·π*12^2

= 3317.52 inch^2

8 0
3 years ago
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