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WINSTONCH [101]
4 years ago
6

Lori can do 42 push-ups. This is ten less than twice the amount of push-ups her sister can do. How many push-ups can her sister

do?
a) 24

b) 18

c) 16

d) 26
Mathematics
1 answer:
iragen [17]4 years ago
4 0
All we have to do is minus 42 and 10 since it says 10 less which would give us 32 than we divided it by 2 since it says twice the amount which would give us 16

So the answer is C. 16
 
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Prove the following statement.
jolli1 [7]
<h2>Step-by-step explanation:</h2>

As per the question,

Let a be any positive integer and b = 4.

According to Euclid division lemma , a = 4q + r

where 0 ≤ r < b.

Thus,

r = 0, 1, 2, 3

Since, a is an odd integer, and

The only valid value of r = 1 and 3

So a = 4q + 1 or 4q + 3

<u>Case 1 :-</u> When a = 4q + 1

On squaring both sides, we get

a² = (4q + 1)²

   = 16q² + 8q + 1

   = 8(2q² + q) + 1

   = 8m + 1 , where m = 2q² + q

<u>Case 2 :-</u> when a = 4q + 3

On squaring both sides, we get

a² = (4q + 3)²

   = 16q² + 24q + 9

   = 8 (2q² + 3q + 1) + 1

   = 8m +1, where m = 2q² + 3q +1

Now,

<u>We can see that at every odd values of r, square of a is in the form of 8m +1.</u>

Also we know, a = 4q +1 and 4q +3 are not divisible by 2 means these all numbers are odd numbers.

Hence , it is clear that square of an odd positive is in form of 8m +1

3 0
3 years ago
PLS DO TODAY :) 50 points and brainleist.
inysia [295]

Answer:

I had to repost my answer because i got deleted from some reason

Step-by-step explanation:

Download pdf
6 0
3 years ago
Solve the equation <br> 5x + 8 - 3x = 10
ra1l [238]

Answer: X=1


Step-by-step explanation: 5x+8-3x=10

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Rewrite; 2x+8=10

Get “x” alone; 2x+8=10

-8. -8

Simply divsion; 2x=2

X=1


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3 years ago
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algol13

Answer:

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Step-by-step explanation:

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3 years ago
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LUCKY_DIMON [66]

Answer:

C

Step-by-step explanation:

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with y- intercept c = - 6 ⇒ (0, - 6 )

8 0
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