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o-na [289]
2 years ago
15

Help please ill give you brainlest Is this correct??

Mathematics
1 answer:
stealth61 [152]2 years ago
8 0
Most of those are correct but the ones that are not are, (15+8 divided by 4-6) as division comes first. 6x3-8 as multiplication comes before subtraction. And 2/3+4x2, multiplication comes before addition. So change those couple up and you got it.
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the perimeter of a rectangle is 68 feet the length is 5 inches shorter than twice the width what are the dimensions of the recta
Kruka [31]

Answer:

Step-by-step explanation:

The perimeter formula is P = 2L + 2W. If the perimeter is given as 68 feet, then our P will be filled in with 68. If the length is "5 inches shorter than twice the width" is an expression that looks like this, keeping in mind that "shorter" means subtraction, "twice" means doubled, and the word "is" means equals:

L = "length is"

2W is "twice the width"

5 inches shorter is " - 5". Putting it all together:

L = 2W - 5. Now we can fill in the perimeter formula:

68 = 2W + 2(2W - 5) and

68 = 2W + 4W - 10 and

68 = 6W - 10 and

78 = 6W so

W = 13. The width is 13 inches and the length is

L = 2(13) - 5 so the length is

L = 21 inches.

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3 years ago
Write into a single logarithm log b (X+1)+ log b (X-8)
ElenaW [278]
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3 0
3 years ago
(-2b+4)(6b^2-4b+2) multiplying
masya89 [10]

Answer:

( - 2b + 4)(6 {b}^{2}  - 4b + 2) \\  \\  =  - 12 {b}^{3}  + 8 {b}^{2}  - 4b + 24 {b}^{2}  - 16b + 8 \\  \\  =  - 12 {b}^{3}  + 32 {b}^{2}  - 20b + 8

I hope I helped you^_^

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2 years ago
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Answer:

C

Step-by-step explanation:

the cos of an angle of 45° is equal to √2/2~=0,7071

Do you want the full explanation?

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Abbie, Beth, Carl, Diego, and Elena are waiting in line. Use the following information to figure out which of the five is first
zlopas [31]
Abbie is not next to Elena or Carl
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3 years ago
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