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Svetlanka [38]
2 years ago
5

Can anyone please help me with this?

Mathematics
1 answer:
marin [14]2 years ago
4 0

Answer:

I believe that It would be b

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Find the length of a diagonal of a square with sides 10in. long
Ghella [55]
Hey!!!
Answer is....
diagonals of square bisect each other at right angles.
let diagonal be 2x
Using Pythagoras in a triangle enclosed by a side and 2 half diagonals...
{x}^{2}  +  {x}^{2}  =  {10}^{2}
2 {x}^{2}  = 100
{x }^{2}  = 50
x =  \sqrt{50}
side of a diagonal=2 sqrt50
= 10 \sqrt{2}
cm......



HOPE IT HELPS YOU '_'
3 0
3 years ago
Read 2 more answers
Which ordered pairs are in the solution set of the system of linear inequalities? y > x y < x + 1 (5, –2), (3, 1), (–4, 2)
steposvetlana [31]

To check which ordered pair (point) is in the solution set of the system of given linear inequalities y>x, y<x+1; we just need to plug given points into both inequalities and check if that point satisfies both inequalities or not. If any point satisfies both inequalities then that point will be in solution.

I will show you calculation for (5,-2)

plug into y>x

-2>5

which is clearly false.

plug into y<x+1

-2<5+1

or -2<6

which is also false.

hence (5,-2) is not in the solution.

Same way if you test all the given points then you will find that none of the given points are satisfying both inequalities.

Hence answer will be "No Solution from given choices".

5 0
3 years ago
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If it takes 1/5 cup of flour to make 1/8 of a cake, how many cups of flour are needed to make a whole cake
Alexeev081 [22]

Answer:

D.) 1 3/5

Step-by-step explanation:

You need 1/5 cups of flour 8 times so you need to multiply 1/5 by 8.

1/5 × 8 = 8/5  

Then simplify.

8/5 = 5/5 + 3/5 = 1  3/5

3 0
3 years ago
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Solve the following by elimination method <br> 11x+15y+23=0 and 7x-2y-20=0
mr Goodwill [35]
Let 11x + 15y + 23 = 0 be equation (1)
And 7x - 2y - 20 = 0 be equation (2)

Multiply equation (1) by 2:
22x + 30y + 46 = 0

Multiply equation (2) by 15:
105x - 30y - 300 = 0

Add equations (1) and (2):
22x + 105x + 30y - 30y + 46 - 300 = 0
127x - 254 = 0
127x = 254
x = 254/127
[x = 2]

Substitute x = 2 in equation (1) to find y:
11(2) + 15y + 23 = 0
22 + 15y + 23 = 0
15y + 45 = 0
15y = -45
y = -45/15
y = -3

Therefore, x = 2 and y = -3.
7 0
3 years ago
A baby snake is 1 ¾ feet long. Its mother is 4 ½ feet long. How many times as long is the baby snake as the mother snake?
arlik [135]

Answer:

2.75

Step-by-step explanation:

3 0
3 years ago
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