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diamong [38]
4 years ago
5

HELP ASAP 2 QUESTIONS

Mathematics
1 answer:
Kazeer [188]4 years ago
5 0

Answer: 1)c. -6  

2)B.4

Step-by-step explanation:

1)It would be: -4(3r - 2) - 2(r+1)

= -12r + 8 - 2r - 2

= -14r + 6

2)When we have an equation like 1x, and x = 2, then that means that we are multiplying by x or 1 * x. So, a = 2 and b = 3, we have to multiply 3 & 2 by 2, and 2 by b. (3 * a(2) ==> 6) ~~ (2 * 2 ==> 4) ~~ (2 * 3 ==> 6) Now, we have 6 - 6 + 4. Evalutate. (6 - 6 ==> 0) ~~ (0 + 4 ==> 4) 4 is the final

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This is area right???
taurus [48]

Answer:

Yes

Step-by-step explanation:

So permiter is two*lengths plus 2*width of a shape.

Area is the length times the width.

For examplel if a square has a length of 2, and a width of 3 the permiteter is:

2*2+3*3=

4+9

=

13

On the other hand, area  would be:

2*3

=

6

I hope this helps!

4 0
3 years ago
Why are you allowed to move the decimal points before dividing with decimals?
nadya68 [22]
It is because both the dividend and the divisor are multiplied by 10, 100, 1000, or some other power of ten.
7 0
3 years ago
Jake carries a green, a yellow, and a black guitar pic in his pocket. He randomly chooses a guitar pic from his pocket before ev
Kryger [21]

Answer:

1/3

Step-by-step explanation:

there is a total of 3 guitar picks

3 0
4 years ago
15 (2/5+1 1/3)+ 3 please help
Paraphin [41]
56 is the answer :)) your welcome
5 0
3 years ago
Read 2 more answers
Justin buys a racehorse for $25,000 and enters it in two races. He plans to sell the horse afterwards, hoping to make a profit.
GenaCL600 [577]
We will consider the following possibilities:
Wins none, wins first only, wins second only, wins both
a) Wins none:
Chances are: 75% x 65% = 48.75%
Thus, there is a 48.75% chance that the horse will sell at $15,000

b) Wins first only:
Chances are: 25% x 65% = 16.25%

c) Wins second only:
Chances are: 75% x 35% = 26.25%
Thus, the chances of the horse selling at $60,000 are 16.25 + 26.25
= 42.5%

d) Wins both:
Chances are: 25% x 35% = 8.75%
The chances that the horse will sell at $100,000 are 8.75%
5 0
3 years ago
Read 2 more answers
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