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2 years ago

What's the answer to the equation; √2y+3=11

Mathematics

2 answers:

horrorfan [7]2 years ago

8 0

The answer should be Y=32 should be it

Zina [86]2 years ago

5 0

Y=59 that should be the correct answer
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The 10th term of an a.p is -27 and the 5th term is -12 .find the first term?

horsena [70]

Step-by-step explanation:

$a_{10} = - 27... (Given) \\\\\therefore a + 9d = - 27...... (1)\\\\a_{5} = - 12... (Given) \\\\\therefore a + 4d = - 12.......(2)\\\\$

Subtracting equation (2) from equation (1)

$a + 9d-( a + 4d )= - 27-(-12)\\\\\therefore a +9d - a-4d = - 27+12\\\\\therefore 5d = - 15\\\\\therefore d = \frac {- 15}{5}\\\\\huge \orange {\boxed {\therefore d = -3}} \\\\$

Substituting d = - 3 in equation (1), we find:

$a + 9\times (-3)= - 27\\\\\therefore a - 27 = - 27\\\\\therefore a = 27- 27\\\\\huge \red {\boxed {\therefore a = 0}}\\\\$

Hence, first term is zero.

3 0

3 years ago

Please help me with this

3241004551 [841]

120+x+16+x=180
2x+ 136=180
2x=44
X= 22

<B= 22

7 0

3 years ago

Which one of the following is equivalent to 41/2 = 2?

BARSIC [14]

Answer:

20 $\frac{1}{2}$

Step-by-step explanation:

7 0

3 years ago

The perimeter of a rectangle is 32cm, its length is more than its width by 2 what's the area

White raven [17]

Answer:

63 cm^2

Step-by-step explanation:

p = l + w + l + w

32 = 2l + 2w

32 = 2(w + 2) + 2w

32 = 2w + 4 + 2w

32 = 4w + 4

28 = 4w

7 = w

l = w + 2

l = 7 + 2

l = 9

Check your work:

32 = 9 + 7 + 9 + 7

32 = 32

Correct

A = l × w

A = 9 × 7

A = 63

3 0

3 years ago

rjkz [21]

Answer:

It is the first answer choice.

Step-by-step explanation.

Use synthetic division and there is no remainder, so -1 is a factor

5 0

2 years ago