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Keith_Richards [23]
3 years ago
11

What is the value of 2/5 + 5/7

Mathematics
1 answer:
Alex787 [66]3 years ago
4 0

Answer:

<h3>2/5 + 5/7 = 39/35</h3>

Step-by-step explanation:

<h3>I hope it helps ❤❤❤❤</h3>

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4x+7y=2<br> help . Pls.
solong [7]

Answer:

x = 2-7y over 4

Step-by-step explanation:

4x+7y=2

    -7y    -7y

4x = 2 - 7y

/4       /4

x=2 - 7y/4


6 0
3 years ago
Can someone help me will give brainlist
Levart [38]

Answer:

Step-by-step explanation:

If we  roll a multiple of 5 we will get one of the following:

5, 10, 15 , 20.

None of these is a perfect square so  they are mutually exlusive,

6 0
1 year ago
We are interested in the dimensions of a certain rectangle. this rectangle has length twice the side of the square and width thr
Mila [183]
Area of square = s^2
Area of Rectangle = lw
l = 2s

w+3 = s
solve for w, w=s-3
Now we have l and w.
Plug both into area of rectangle formula so: (2s)(s-3)
Since both areas are equal set both equations equal to each other:
(2s)(s-3)=s^2
Now simplify
2s^2-6s=s^2
s^2-6s=0, Solve for s.
Factor polynomial. s(s-6)=0 , s can be equal to 0 or 6. HOWEVER, you cannot have a side length of 0 therefore the side length has to be 6.
Now plug in s for the length formula for the rectangle:
l = 2s so... l = 2(6) so length of rectangle = 12.
Now plug in s for the width formula for the rectangle:
w+3=s so... w+3=6 so width of rectangle = 3.
Now the dimensions of the rectangle are 12 by 3. 12 being length and 3 width.
To CHECK:
Find area of rectangle:
A=lw so A=3 times 12 so A=36
Find area of square:
We know the side is equal to 6 so
A=s^2 so 6^2 = 36
The areas are equal that verifies the answer of 12 by 3.
8 0
3 years ago
The triangles are similar.
erik [133]
5×4=20 , 12×4=48
53÷4 = 13 then
x=13
6 0
3 years ago
Read 2 more answers
a coin is tossed and a number cube is rolled what is the probability that the coin shows heads and the number cube shows 5
Reptile [31]

Answer:

If it is a 6 sided dice, then the probability will be roughly a 1 in 12 chance

Step-by-step explanation:

I think, not entirely sure, sorry if it is wrong

8 0
2 years ago
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