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lorasvet [3.4K]
3 years ago
8

What is the answer ​

Mathematics
1 answer:
Finger [1]3 years ago
6 0

Answer:

2$

Step-by-step explanation:

1. One large bottle is equal to small bottle+4$

2. 8 large bottles (= 8 small bottles + 32$) cost 24$ less than 12 small bottles. Replacing large bottles with small bottles+4$, we have 8b+32=12b-24 -> Simplifying 4b=8, b=2$ Where b is small bottle.

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The length of a rectangle is 6 cm longer than its width.
oksian1 [2.3K]
2(6+w)+2(w)=40
12+2w+2w=40
12+4w=40
4w=28
w=7
Now we know that the width is 7; abd the length is 7+6 which is 13.
To find the area we multiply 13x7
The area is 92cm squared
4 0
3 years ago
Solve <br> 6r + 7 = 13 + 7r
Firdavs [7]

Answer:

r = -6

Step-by-step explanation:

6r + 7 = 13 + 7r

-6r both sides

7 = 13 + r

-7 both sides

r + 6 = 0

-6 both sides

r = -6

8 0
3 years ago
Read 2 more answers
Find &lt;_6 if m &lt;_8 = 120 degrees
IceJOKER [234]

Answer:

120 degrees

Step-by-step explanation:

Since p is parallel to q, <6 and <8 are congruent because of corresponding angles.

m<8=m<6

120=m<6

Since m<8 is 120, and the two angles are congruent, the m<6 is also 120 degrees.

3 0
3 years ago
How to write standard form for: (please answer this question soon )
professor190 [17]
Put the terms in order of decreasing degree, all on the left. When convenient, it is nice to have mutually prime integer coefficients with the leading one positive.

a) x² -2x +1 = 0

b) x² +15 = 0

c) 4x² -12 = 0
or, better, divide out the common factor of 4.
  x² -3 = 0

d) 3x² -x -5 = 0

_____
Shown is the standard form for a single-variable second-degree equation. Form varies depending on the nature of the equation. Equations of conic sections have different standard forms, depending on the curve.
6 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. what is th
Drupady [299]

Answer:

The surface area of the drum is 3317.5218 square inches.

Step-by-step explanation:

Drum's have a cylindrical form, therefore in order to calculate its surface area we need to apply the correct formula, as shown below:

area = 2*\pi*r^2 + 2*\pi*r*h

Where the first term of the sum is the area of the lid and bottom of the drum and the second term is the area of the walls of the drum, r is the radius and h is the height. Applying the data from the problem, we have:

area = 2*\pi*12^2 +2*\pi*12*32\\\\area = 3317.5218 \text{ square inches}

The surface area of the drum is 3317.5218 square inches.

4 0
3 years ago
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