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anzhelika [568]
4 years ago
10

PLEASE HELP, 25 POINTS!!!!!

Mathematics
1 answer:
AveGali [126]4 years ago
4 0

Answer:

-14

cuz sqrt of -16 is -4 and  sqrt of -64 is -8 but there is an - sign there so it is positive

then 3+-4 is -1 and 6+8 is 14

lastly multiply and you get negative 14

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List the pair of the number.48. 56
yarga [219]
48×56=2,688 that will be the correct answer
4 0
4 years ago
Isabella has a board that is 5.24 feet long and 1.34 feet wide. ​
Masteriza [31]

Answer:

<u>Length of 1 piece= Length of total divided by 8</u>

Step-by-step explanation:

Length of total= 5.24 feet long

Width of total= 1.34 feet wide

Width is divided by 1 line so, there are 2 parts.

Width= 1.34 divided by 2

Width= 0.67 feet wide

Length is divided by 7 lines, so there are 8 parts.

Length= 5.24 divided by 8

Length=0.655 feet long

They are asking for formula to find the length of each piece

<u>Length of 1 piece= Length of total divided by 8</u>

<u></u>

Hope that helps!

8 0
3 years ago
Several surveys in the United States and Europe have asked people to rate their happiness on a scale of 3 = "very happy," 2 = "f
Rudik [331]

Answer:

Step-by-step explanation:

We have to find the reported happiness of person of family income of $25,000, $35,000 and $45,000

Given that the formula for finding relation between a people happiness and his income is

y = 0.065x - 0.613

a) find the happiness of person of family income os $25,000

we put x = 25 as in the equation above

y=0.065(25)-0.613\\\\=1.625-0.613\\\\=1.02 \approx 1

Hence, person happiness with with family income of $25,000 on a scale of 3 is y = 1

That means they come under catergory "not to happy"

b) Find the happiness of person of family income os $35,000

we put x = 35 as in the equation above

y=0.065(35)-0.613\\\\=1.667-0.613\\\\=1.667 \approx 1.7

Hence, person happiness with with family income of $35,000 on a scale of 3 is y = 1.7

That means they come under catergory "not to happy" and "fairly happy"

c) Find the happiness of person of family income os $45,000

we put x = 45 as in the equation above

y=0.065(45)-0.613\\\\=2.925-0.613\\\\=2.312 \approx 2.3

Hence, person happiness with with family income of $45,000 on a scale of 3 is y = 2.3

That means they come under catergory  "fairly happy"

8 0
4 years ago
Simplify<br> X2-49<br> Over <br> X2+9x+14
Stels [109]

Answer:

(x-7)/(x+2)

Step-by-step explanation:

(x-7)(x+7)/(x+7)(x+2)

(x-7)/(x+2)

7 0
3 years ago
Twelve less than the quotient of a number and 8 is -1
Setler [38]

Twelve less than the quotient of a number and 8 is -1

(n ÷ 8) - 12 = -1


8 0
3 years ago
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