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zaharov [31]
3 years ago
8

Kimi and her brother saved up for a board game. Kimi saved 8 dollars and her brother saved 7 dollars. together they bought the b

oard game for 12 how much money is left over
Mathematics
1 answer:
aniked [119]3 years ago
6 0

Answer:

$3

Step-by-step explanation:

8 + 7 = 15

15 - 12 = 3

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2+d=2-3(d-5)-2 Pls show work
defon
2 + d = 2 - 3(d- 5) - 2

First, cancel 2 on both sides. / Your problem should look like: d = -3(d - 5) - 2
Second, expand. / Your problem should look like: d = -3d + 15 - 2
Third, simplify -3d + 15 - 2 to get -3d + 13. / Your problem should look like: d = -3d + 13
Fourth, add 3d to both sides. / Your problem should look like: d + 3d = 13
Fifth, add d + 3d to get 4d. / Your problem should look like: 4d = 13
Sixth, divide both sides by 4. / Your problem should look like: d =  \frac{13}{4}

Answer as fraction: d =  \frac{13}{4}
Answer as decimal: d = 3.25

3 0
4 years ago
Read 2 more answers
-5n+8= -7 in two-step equations-integers
Paha777 [63]

Answer:

n=3

Step-by-step explanation:

So the question we are to solve is to be solved by collecting like terms and by division

So let's solve the question

-5n+8=-7

So let's solve

-5n+8=-7

Substrate 8 from both sides

-5n=-15

So let's make n the subject of formula by dividing both sides by -5

n=3

Therefore the final answer for the given question is 3

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3 years ago
13 km<br><br> 5 km<br> What is the length of the missing leg?
ale4655 [162]
Pythagoras' theorem:
b^2 = c^2 - a^2
Substitute in the values:
b^2 = 13^2 - 12^2
b^2 = 25
Square root it
b = 5km
The answer is option B. 5km
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3 years ago
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3 years ago
my mum was 27 when I was born,8 years she was twice as old as I shall be in 5 years time. how old am I now?​
jeyben [28]

Answer:

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Step-by-step explanation:

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