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skelet666 [1.2K]
3 years ago
11

Which one is it???? Will mark brainleist

Mathematics
1 answer:
katrin [286]3 years ago
7 0

Answer:

15-3r

Step-by-step explanation:

A expression cannot have a equal sign only = + or  -

If you have questions feel free to ask me! :)

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. Show that square of any positive integer can not be of form 7q + 3 or 7q+5or 7q + 6, for any integer q
Svetradugi [14.3K]

Step-by-step explanation:

7q + 3 or 7q+5 or 7q + 6

solve for q

7q + 3 =

7q + 3 -3 =-3

7q = -3

7q/7 = -3/7

q = -3/7

7q + 3 =

7q + 6 -6 =-6

7q = -6

7q/7 = -6/7

q = -6/7

4 0
3 years ago
In the chart below shade each day that Ned will swim,circle each day Ned will bicycle
klasskru [66]

We're willing, but sadly not able.

Here's are the other things we'll need before we can attack this one:

1). We need to know how often does Ned swim ?

2). We need to know how often does Ned bicycle ?

3). We need to see that "chart below".

The only thing I see below right now is my dog.

3 0
3 years ago
Is 8:12 equivalent to 10:15
kirill115 [55]
No it’s not because they don’t go into the same multiples
8 0
3 years ago
Read 2 more answers
The point (-5, 3) is reflected across the x axis. What are the coordinates of this reflection? Group of answer choices
harina [27]

Answer:

( -5, -3)

Step-by-step explanation:

8 0
3 years ago
My brother told me he will give me $.25 per day for 10 days OR he will give me $.01 then give me double the following day for 10
NARA [144]

Answer:

you will get more money if he gives you 1 cent per day then doubles it

Step-by-step explanation:

if your brother gives you 25 cents per day, at the end of 10 days you will have $2.50

if he gives you 1 cent per day then doubles it, this will be your daily earnings:

day 1- 0.01

day 2- 0.02

day 3-  0.04

day 4- 0.08

day 5- 0.16

day 6- 0.32

day 7- 0.64

day 8- 1.28

day 9- 2.56

day 10- 5.12

then when you add all of this up, you would recieve 10.23 cents at the end of day 10

4 0
3 years ago
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