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WITCHER [35]
3 years ago
11

Guys i really need your help thanks friends. make sure to read carefully

Mathematics
1 answer:
Alexeev081 [22]3 years ago
6 0

Answer:

-\frac{39}{10}

Step-by-step explanation:

\frac{-\frac{1}{6}}{\frac{1}{9}} - \frac{12}{5}\\\\-\frac{1}{6}\cdot \frac{9}{1} - \frac{12}{5}\\\\-\frac{3}{2} - \frac{12}{5}\\\\-\frac{39}{10}

Some things you have to keep in mind to solve this problem

\frac{a}{\frac{b}{c}} = \frac{a}{b}\cdot \frac{1}{c}

And also you have to know how to subtract fractions, if you don't please let me know and I'll try to give you a hand.

Good luck!

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Please help me<br><br> b minus 3/4 = 7/10
RoseWind [281]
B - 3/4 = 7/10
add 3/4 to both sides to isolate the b
b = 7/10 + 3/4
b = 28/40 + 30/40
b = 58/40
b = 1  18/40
b = 1   9/20
5 0
3 years ago
Read 2 more answers
How do I find the missing sides in this triangle?
stiv31 [10]

Answer:

This is a 30-60-90 triangle so you would do this formula:

Short side (opposite the 30 degree angle) = x.

Hypotenuse (opposite the 90 degree angle) = 2x.

Long side (opposite the 60 degree angle) = x√3.

Step-by-step explanation:

6 0
3 years ago
! + 3 − 5 = 0; by completing the square
mylen [45]

Answer:

x = 1.19258 and x = −4.19258

Step-by-step explanation:

The given equation is :

x^2+3x-5=0

Keep x terms on the left and move  the constant to the right side  by adding it on both sides.

x^2+3x=5

Take half of the x term and square it.

(3\times \dfrac{1}{2})^2=\dfrac{9}{4}

then add the result to both sides

x^2+3x+\dfrac{9}{4}=5+\dfrac{9}{4}\\\\(x+\dfrac{3}{2})^2=\dfrac{29}{4}\\\\(x+\dfrac{3}{2})=\sqrt{\dfrac{29}{4}}\\\\x=\dfrac{-3}{2}+\sqrt{\dfrac{29}{4}}\\\\x=\dfrac{-3}{2}-\sqrt{\dfrac{29}{4}}

So,

x = 1.19258 and x = −4.19258

Hence, this is the required solution.

6 0
3 years ago
The sum of 5 consecutive integers is 110 what is the fourth number in the sequence
Margarita [4]
X + x+1 + x+2 + x+3 + x+4 = 110
5x +10 = 110
5x = 100
x = 20
The numbers are
20 21 22 23 and 24


7 0
3 years ago
20. What is the slope of the line containing the points (3,8)
Lerok [7]
The answer is y= 4 + 1/3
6 0
3 years ago
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