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BaLLatris [955]
3 years ago
10

Can you guys help me? :-(

Mathematics
2 answers:
Yuliya22 [10]3 years ago
8 0

Answer:

2/5 + 5/10 = 9/10

Step-by-step explanation:

Turn 2/5 into 4/10 to make the two fractions' denominators the same by multiplying 2 × 2 =4 and 5 × 2 = 10. Then add 4/10 + 5/10 to get 9/10.

VMariaS [17]3 years ago
5 0

Answer:

\frac{9}{10}

Step-by-step explanation:

Find the LCD because like last time, you cannot add or subtract fractions with different denominators.

LCD = 10

Since the second fractions stayed at the same denominator, you will only have to multiply the first fraction.

\frac{2 * 2}{5 * 2}

\frac{4}{10}

\frac{4 + 5}{10}

= \frac{9}{10}

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A drawer contains 12 brown socks, 8 white socks, and 2 blue socks. One sock is selected at random.
Katyanochek1 [597]

Answer:

1/11

Step-by-step explanation:

12 + 8 + 2

22 / 2

1/11

There is always a pair of socks... A pair is 2. Add everything and divide it.

Hope this helps....

3 0
3 years ago
Read 2 more answers
What is percent of increase from 15 to 60?​
k0ka [10]

Answer: 300 percent

Step-by-step explanation:

Where: 15 is the old value and 60 is the new value. In this case we have a positive change (increase) of 300 percent because the new value is greater than the old value.

6 0
2 years ago
Please help me solve <br> 3/5x = 6/7
Juliette [100K]
\frac{3}{5}x=\frac{6}{7}\\\\\frac{3x}{5}=\frac{6}{7}\\\\3x\cdot7=6\cdot5\\\\21x=30\ \ \ \ \ |:21\\\\x=\frac{30}{21}=\frac{10}{7}=1\frac{3}{7}
4 0
3 years ago
Find the slope of the line that passes through the pair of points (2,6) , (7,0)
iVinArrow [24]
Slope is defined as the change in y-coordinate over the change in x, so if you find the change then you can find the slope.
\frac{change~in~y}{change ~in~x} =\frac{0-6}{7-2}=\frac{-6}{5}
Thus, your slope is -6/5.
8 0
3 years ago
What is the solution to this system of equations?
Lady bird [3.3K]

3x+y=−11

3x+y+−3x=−11+−3x(Add -3x to both sides)

y=−3x−11

2x+2y=−10

2x+2(−3x−11)=−10

−4x−22=−10(Simplify both sides of the equation)

−4x−22+22=−10+22(Add 22 to both sides)

−4x=12

−4x

−4

=

12

−4

(Divide both sides by -4)

x=−3

y=−3x−11

y=(−3)(−3)−11

y=−2(Simplify both sides of the equation)

Answer:

x=−3 and y=−2

D.(-3,-2)

8 0
3 years ago
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