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aivan3 [116]
2 years ago
6

Anyone please !!!!!!

Mathematics
1 answer:
IgorLugansk [536]2 years ago
5 0

Answer:

4

Step-by-step explanation:

Lets start by plugging in our (a) value

a^2 + 5a + 4

(-5)^2 + 5(-5) +4

25 - 25 + 4

0 + 4

4 is your final answer!

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Find the size of angle BAC. Give your answer to 3 significant figures
Alex777 [14]

Answer:

50.5

Step-by-step explanation:

6 0
3 years ago
Pls help pls help plsss
uranmaximum [27]

Answer: I'm not sure but there's some explanation..

Step-by-step explanation:

K=11

T=20

Symbol I C

Hope this helps!

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7 0
2 years ago
4x-16=-20 solve for the x
Vadim26 [7]

Answer:

x=-1

Step-by-step explanation:

4x-16=-20

Get x to one side by subtracting it.

-16=-20-4x

Add the 20 on both sides.

-16+20=-4x

Simplify

4=-4x

4/-4=-4x/-4

-1=x

x=-1

4 0
3 years ago
Read 2 more answers
#6. How do you do it?
bazaltina [42]

Answer:

all work is shown and pictured

6 0
3 years ago
what number must be added to 3 and 8 so that the ratio of the first number to the second number is equal to 3 :4​
Grace [21]
The answer is 12.
Steps
If that number is x
(3+x)/(8+x)=3/4
"Cross multply"
4(3+x)=3(8+x)
12+4x=24+3x
x=12
To check: add 12 to 3 and 8. 3+12=15 and 8+12=20. 15/20=3/4
3 0
3 years ago
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