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Ierofanga [76]
3 years ago
8

Help me pleaseeeeeeeeeeeee

Mathematics
2 answers:
ratelena [41]3 years ago
5 0
The answer is A
r = 1
Shtirlitz [24]3 years ago
5 0
The answer is A, r=1
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Someone solve for X please ? Step by step
irina1246 [14]
Start by distributing the 7 to both terms on the left hand side, and the 5 to both terms on the right hand side.

7(x - 2) = 5(x + 4)
7x - 14 = 5x + 20

Now, to solve for x, start by isolating the variable as much as you can.
7x - 5x = 20 + 14
2x = 34

x = 17
3 0
3 years ago
Let a and b be any two integers. Show that the following statement is false: If 3|(a+b),then 3|(a−b).Hint. To show that the stat
Phoenix [80]

Answer with Step-by-step explanation:

Let a and b are two integers.

We have to show that

if 3\a+b then 3\a-b is false.

In order to prove that given statement is false we prove this with the help of example

Suppose we have two integers a=2 and b=4

if 3\2+4

3\6=2

2-4=-2

But 3 does not divide -2.

Therefore, the given statement is false.

Hence, proved.

3 0
2 years ago
Can you please answer and show your work! thank you so much :)
FrozenT [24]

Answer:

1: -7

2: -7

3:-7

4: 8

5: 8

6: 8

Step-by-step explanation:

for the first one, you do 6-1=5 and then times that by 2 and then simplify that to get -7. for the second one, you do 2^{3} which is 8+4=12, and divide 24 by that to get 2 and minus nine to get -7. for the 3rd one, you do 4^{2}+9 first (16+9)= 25, and subtract 39 from that to get 14, then do 4-5=-1 *2=-2, which gets you -7. for 4 , you do 81-25= 56 over 10+8-11=7 which gets you 8. for 5, you do 36-20=16  in parentheses first and then divide 48 by that to get 3 and subtract that to get 8. last, for 6, you do 22-14 to get you 8

6 0
3 years ago
How many grams are there in 4.5 kilograms
zavuch27 [327]

Answer: 4500 grams

Step-by-step explanation: 1 kilogram is 1,000 grams, so 4 kilograms is 4,000 grams, and half a kilogram is 500 grams. So, 4000 + 500 = 4,500

3 0
3 years ago
Read 2 more answers
Convert to standard form.<br> y-5=-3(x+2)​
Paul [167]

Answer:

Step-by-step explanation:

y-5=3(x+2)

y-5=3x+6

y-5-6=3x+6-6

y-1=3x

7 0
3 years ago
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