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deff fn [24]
3 years ago
14

WILL GIVE BRAINLET !! 2/6 + - 5/12 ( show how u get the answer )

Mathematics
2 answers:
VLD [36.1K]3 years ago
7 0

Answer:

-\frac{1}{12}

Step-by-step explanation:

So we have the expression:

\frac{2}{6}-\frac{5}{12}

To subtract, we want to have a common denominator. So, let's find a common denominator by using the LCM.

The LCM of 6 and 12 is 12.

Since the second term is already 12, let's multiply the first term by 2 to get its denominator to be 12:

=(\frac{2}{2})\frac{2}{6}-\frac{5}{12}

Multiply:

=\frac{4}{12}-\frac{5}{12}

Now, we can combine the fractions:

=\frac{4-5}{12}

Subtract:

=\frac{-1}{12}

And we are done!

Bess [88]3 years ago
7 0

Answer:

\frac{-1}{12}

Step-by-step explanation:

\frac{(2*12)+(-5*6)}{6*12} =

\frac{-6}{72} =

\frac{-6}{72} ÷ both by 6

\frac{-1}{12}

hope this helps

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Find the distance between the two points (-7, 5) (-7, -4)
Sveta_85 [38]

Answer:

Step-by-step explanation:

d^2=(x_2-x_1)^2+(y_2-y_1)^2\\ \\ d^2=(-7+7)^2+(5+4)^2\\ \\ d^2=81\\ \\ d=9

5 0
3 years ago
Can someone help me with these? I need some help.
nata0808 [166]

Answer:

1) \sqrt{569}  2) 8   3) 0.8  4) \sqrt[10]{61}

Step-by-step explanation:

The equation for pythagoream theorem is

a^2 + b^2 = c^2  (the caret "^" represents exponents)

A = a side length

B = another side length

C = the hypotnuse which is the slanted side of the right triangle.

To solve these problems plug in the known values into the equation then solve.

6 0
3 years ago
Strawberries cost $2 per pound. Kate buys 5 pounds and gets 20% discount on the total cost. How much does Kate pay for the straw
Tema [17]

The total cost without the discount is given by:

C = (2) * (5)\\C = 10$

Then, to find the discounted amount, we make the following rule of three:

10 $ ------------------> 100%

x ----------------------> 20%

From here, we clear the value of x.

We have then:

x = (\frac{20}{100}) * (10)\\x = 2

Then, the cost of the Strawberries with the discount is:

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Answer:

Kate pays for the strawberries about $ 8.

3 0
3 years ago
Read 2 more answers
Yesterday's afternoon temperature was 21*F. It plunged overnight to 3*F. How many degrees did the temperature drop? I think the
Igoryamba

Answer: its  D) 24

Step-by-step explanation:

For your answer i have checked and it is correct it is D) 24

7 0
3 years ago
all unicorns on rainbow island are either green or yellow. every time the clock strikes midnight the unicorns change their color
Oksi-84 [34.3K]

77 unicorns, because yesterday the ratio was 6:5 and today it is 3:4. If you add the numbers for both ratios together, you get 11 and 7. Finding the LCM of these two gives 77 (because 7 and 11 are both prime).

You find the LCM of the sums because when you find values based on ratios, you divide value by the sum of the ratio.

e.g. I have 100 fruits. The ratio of apples to oranges is 2:3. How many apples are there?

To solve this you'd add 2 and 3 (5), divide 100 by 5 (20), multiply that by 2 (40) because that's the ratio of apples to oranges.

In this case, you do the reverse. So If I have 77 unicorns, then yesterday there were (77/11 = 7, 7*6= 42, 7*5= 35) 42 green unicorns and 35 yellow. The sum of 42 and 35 is 77. If you do this process with the other ratio you'll get similar results as well.

6 0
3 years ago
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