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3 years ago

Write each fraction as an expression using a negative exponent other than -1: 1/1024

Mathematics

1 answer:

raketka [301]3 years ago

6 0

Answer: 2^-10
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There are 276 students.

Lynna [10]

Step-by-step explanation:

Number of males is

276 - 158 = 118

Number of males not enrolled

118 - 82 = 36

Number of females not enrolled

158 - 102 = 56

(a)

The table based on data is

Enrolled Not enrolled Total

Male 82 36 118

Female 102 56 158

Total 184 92 276

(b)

Percentage of students were males that went to magic college

enrolled male / total students = (use table above)
82/276*100% = 29.71% (rounded)

(c)

Percentage of females went to magic college

enrolled female / total female = (use table above)
102/158*100% = 64.56% (rounded)

7 0

2 years ago

Multiplying a number by 3 is equal to sum of the number and 5.

DerKrebs [107]

Answer:

this makes no sense

Step-by-step explanation:

6 0

3 years ago

Solve the equation for all values of x. (8x+9)(49x^2-100)=0

Liono4ka [1.6K]

Answer:

$x = \frac{-9}{8} , \frac{-10}{7} , \frac{10}{7}$

Step-by-step explanation:

8x+9=0

8x=-9

$x = \frac{-9}{8}$

$49x^{2}-100 = 0$

$(7x)^{2} -10^{2} =0$ ,

$(7x+10)(7x-10)=0$

$7x+10=0, 7x-10=0$

$7x=-10, 7x=10$

$x=-\frac{-10}{7}$ , $x = \frac{10}{7}$

4 0

3 years ago

42 ounces to 5 pounds

Katarina [22]

Step-by-step explanation:

the answer is going to be 48 ounces instead.

8 0

3 years ago

Solve the simultaneous equations by substitution 3 x − 7 y = − 10 x = 5 y + 2

mojhsa [17]

Answer:

$3x-7y=-10_{(1)} \\x=5y+2_{(2)}\\$

Substituting Equation 2 into equation 1

$3(5y+2)-7y=-10_{(3)} \\15y+6-7y=-10\\15y-7y+6=-10\\8y+6=-10\\8y=-10-6\\8y=-16\\y=\frac{-16}{8} \\y=-2\\$

Substitute the value of y into Equation 2

$x=5y+2\\x=5(-2)+2\\x=-10+2\\x=-8\\$

Therefore x=-8, y=-2

Step-by-step explanation:

Have a nice day :)

5 0

2 years ago

Write each fraction as an expression using a negative exponent other than -1: 1/1024​

Write each fraction as an expression using a negative exponent other than -1: 1/1024